diff options
| author | Thomas Voss <thomasvoss@live.com> | 2021-10-29 23:02:39 +0200 |
|---|---|---|
| committer | Thomas Voss <thomasvoss@live.com> | 2021-10-29 23:02:39 +0200 |
| commit | e7c9108b95e39d7ea5a29ae06d619c4727f11027 (patch) | |
| tree | 237261eef3afd0720be77dbcbb9599fa66a24b67 /2020 | |
Initial commit
Diffstat (limited to '2020')
68 files changed, 12388 insertions, 0 deletions
diff --git a/2020/01/.gitignore b/2020/01/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/01/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/01/Makefile b/2020/01/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/01/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/01/input b/2020/01/input new file mode 100644 index 0000000..127b7a7 --- /dev/null +++ b/2020/01/input @@ -0,0 +1,200 @@ +1293 +1207 +1623 +1675 +1842 +1410 +85 +1108 +557 +1217 +1506 +1956 +1579 +1614 +1360 +1544 +1946 +1666 +1972 +1814 +1699 +1778 +1529 +2002 +1768 +1173 +1407 +1201 +1264 +1739 +1774 +1951 +1980 +1428 +1381 +1714 +884 +1939 +1295 +1694 +1168 +1971 +1352 +1462 +1828 +1402 +1433 +1542 +1144 +1331 +1427 +1261 +1663 +1820 +1570 +1874 +1486 +1613 +1769 +1721 +1753 +1142 +1677 +2010 +1640 +1465 +1171 +534 +1790 +2005 +1604 +1891 +1247 +1281 +1867 +1403 +2004 +1668 +1416 +2001 +1359 +686 +1965 +1728 +1551 +1565 +1128 +1832 +1757 +1350 +1808 +1711 +1799 +1590 +1989 +1547 +1140 +1905 +1368 +1179 +1902 +1473 +1908 +1859 +1257 +1394 +1244 +1800 +1695 +1731 +1474 +1781 +1885 +1154 +1990 +1929 +1193 +1302 +1831 +1226 +1418 +1400 +1435 +1645 +1655 +1843 +1227 +1481 +1754 +1290 +1685 +1498 +71 +1286 +1137 +1288 +1758 +1987 +1471 +1839 +1545 +1682 +1615 +1475 +1849 +1985 +1568 +1795 +1184 +1863 +1362 +1271 +1802 +1944 +1821 +1880 +1788 +1733 +1150 +1314 +1727 +1434 +1833 +1312 +1457 +160 +1629 +1967 +1505 +1239 +1266 +1838 +1687 +1630 +1591 +1893 +1450 +1234 +1755 +1523 +1533 +1499 +1865 +1725 +1444 +1517 +1167 +1738 +1519 +1263 +1901 +1627 +1644 +1771 +1812 +1270 +1497 +1707 +1708 +1396 diff --git a/2020/01/puzzles.c b/2020/01/puzzles.c new file mode 100644 index 0000000..29384e0 --- /dev/null +++ b/2020/01/puzzles.c @@ -0,0 +1,39 @@ +#include <err.h> +#include <stdio.h> +#include <stdlib.h> + +#define BUFFER 200 + +int +main(void) +{ + int nums[BUFFER]; + FILE *fp; + + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + for (int i = 0; i < BUFFER; i++) + fscanf(fp, "%d", &nums[i]); + + fclose(fp); + + /* Inefficient, but small sample size so it's fine */ + for (int i = 0; i < BUFFER - 1; i++) { + for (int j = i + 1; j < BUFFER; j++) { +#ifdef PART2 + for (int k = j + 1; k < BUFFER; k++) { + if (nums[i] + nums[j] + nums[k] == 2020) { + printf("%d\n", nums[i] * nums[j] * nums[k]); + return EXIT_SUCCESS; + } + } +#else + if (nums[i] + nums[j] == 2020) { + printf("%d\n", nums[i] * nums[j]); + return EXIT_SUCCESS; + } +#endif + } + } +} diff --git a/2020/02/input b/2020/02/input new file mode 100644 index 0000000..45e8c19 --- /dev/null +++ b/2020/02/input @@ -0,0 +1,1000 @@ +5-6 s: zssmssbsms +3-6 j: jjjjjrrj +4-7 k: kfkgkkkkk +2-3 n: nkbgfnn +7-12 h: hhhhhhdhhhhhfhhhh +1-4 v: nvvv +6-9 h: hhthplhgmpzsmhhxhh +6-7 r: rrtrrrgrgcc +10-15 h: sdbhvbhfjhwllmrpdv +3-4 s: 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rrrrsrrrrrrfrrrrrrr +4-5 c: ckclcc +8-13 v: vvtmtvvvvvvvvvzwp +4-18 j: qmdwjqqlpznldltqvjm +1-4 j: dbcjpzk +4-5 f: ffmfqvzf +8-10 p: pprptnfvpphvppp +7-8 z: zzzzzzzzz +10-11 n: xnnnnnnnnnnn +10-17 v: jwmqwvplsvvvfhhll +5-6 w: wwwwqtw +5-13 c: cccwbcccccccncfc +13-17 r: rrrrrrrrrrdrrrcrldn +2-15 b: nbnknkblbdbbhxxn +17-19 n: jwmjbxxvcrqlwpsknnz +5-16 x: xxxxxxxxxxjxxxxnx +1-7 m: mmmmmmvm +4-5 r: rrrrv +6-7 c: xkdzcscg diff --git a/2020/02/puzzle-1.awk b/2020/02/puzzle-1.awk new file mode 100755 index 0000000..77971dc --- /dev/null +++ b/2020/02/puzzle-1.awk @@ -0,0 +1,10 @@ +#!/usr/bin/env -S awk -f + +{ + split($1, bounds, "-") + freq = gsub(substr($2, 1, 1), "&") - 1 + if (freq >= bounds[1] && freq <= bounds[2]) + count++ +} + +END { print count } diff --git a/2020/02/puzzle-2.awk b/2020/02/puzzle-2.awk new file mode 100755 index 0000000..24398e7 --- /dev/null +++ b/2020/02/puzzle-2.awk @@ -0,0 +1,19 @@ +#!/usr/bin/env -S awk -f + +{ + split($1, pos, "-") + split($3, str, "") + char = substr($2, 1, 1) + + # Count the frequency of char + freq = 0 + if (str[pos[1]] == char) + freq++ + if (str[pos[2]] == char) + freq++ + + if (freq == 1) + count++ +} + +END { print count } diff --git a/2020/03/input b/2020/03/input new file mode 100644 index 0000000..6673c40 --- /dev/null +++ b/2020/03/input @@ -0,0 +1,323 @@ +....#..#.......#........#....#. +..##.#.#.#...................#. +....#.#.##..#....#......#...... +.........#.#......##.....#..... +..........#.###.##...##........ +#....#.#.......##.....#..#..... +#...........#.#...#..#..##.##.. +......##.............#.....#... +..##..........###..#.#..##..... +...........#........#......##.. +..##...........##.............. +..#......###.#.....#.#.#....... +..#..#..#..........#.#....#.... +.#.....##...................... +...#...##..#...#.........#..##. +.#......#..#..#...#......#.##.. +..##.##.......#..#.....#..#...# +..............#..#..#...#...... +...#...#....##.....#...#...#... +......................#...#.... 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+..#.......#...............#..## +#.....#..................#....# +.##.....#.....#......####.....# +..#........#...#.#........#...# +..##.....#....#...#...........# +..#..#.....##..#.##...#........ +..........###..#....##.....#... +...#...#....#.##.#...#.#....... +..##......#.......#.......##... +............#............#..... +.##....#.........#............. +....#....#....#........##...#.# +.......##...................... +..........#.#.................# +......##.#...#.........#.....#. +..#...#......#..#.............# +..........###.#..#.#...#..#..#. +#..#.#..#....##...#...#.#...#.. +.#........##...#......#.##..... +...###.#...##..............##.. +#.#.#...#...#..#....#.#..#..... +.#.#.##..#....#......#.#....... +...#..#.#....##...........#..#. +.....##..##......#.#........... +......#.....#....####....#..... +.#.#.#...#..#..#...........#... +.....#......................#.. +.........#.........#.###.##.... +.....#......##..........#...... +..#...........##...........#... +..............#.........#.....# +..#....#..#...#...##.#......... +.#.#.#....#..........#......... diff --git a/2020/03/puzzle-1.awk b/2020/03/puzzle-1.awk new file mode 100755 index 0000000..3eac2ba --- /dev/null +++ b/2020/03/puzzle-1.awk @@ -0,0 +1,14 @@ +#!/usr/bin/env -S awk -f + +BEGIN { x = 1 } +{ + len = split($0, obs, "") + + if (x > len) + x -= len + if (obs[x] == "#") + count++ + + x += 3 +} +END { print count } diff --git a/2020/03/puzzle-2.awk b/2020/03/puzzle-2.awk new file mode 100755 index 0000000..88e0625 --- /dev/null +++ b/2020/03/puzzle-2.awk @@ -0,0 +1,36 @@ +#!/usr/bin/env -S awk -f + +BEGIN { + slope[1] = 1 + slope[2] = 1 + slope[3] = 1 + slope[4] = 1 + slope[5] = 1 +} + +{ + len = split($0, obs, "") + + right = 1 + for (i = 1; i < 5; i++) { + if (slope[i] > len) + slope[i] -= len + + if (obs[slope[i]] == "#") + count[i]++ + + slope[i] += right + right += 2 + } + + # Specific code for slope 5 + if (NR % 2 == 1) { + if (slope[5] > len) + slope[5] -= len + + if (obs[slope[5]++] == "#") + count[5]++ + } +} + +END { print count[1] * count[2] * count[3] * count[4] * count[5] } diff --git a/2020/04/input b/2020/04/input new file mode 100644 index 0000000..c49fb69 --- /dev/null +++ b/2020/04/input @@ -0,0 +1,1135 @@ +eyr:2029 pid:157374862 +byr:1991 ecl:amb hcl:#a97842 hgt:178cm + +byr:1962 pid:547578491 eyr:2028 ecl:hzl hgt:65in iyr:2013 hcl:#623a2f + +hgt:71in eyr:2037 +ecl:#8e276e hcl:z iyr:2019 +byr:2022 pid:157cm + +hcl:#733820 hgt:175 eyr:2028 iyr:2011 +pid:87786389 +ecl:hzl byr:1980 + +hgt:163in hcl:z pid:8261494508 cid:136 ecl:grn eyr:1958 +byr:2030 iyr:1991 + +iyr:2021 +hcl:6708a3 +ecl:zzz eyr:2034 byr:2010 +hgt:189cm +pid:466438311 + +iyr:2012 pid:9720867166 byr:2006 eyr:2022 hgt:72cm ecl:utc hcl:#c0946f + +ecl:#353bc9 +iyr:2020 pid:874363951 cid:113 +hcl:z eyr:2040 hgt:76in byr:1975 + +eyr:1971 +byr:1955 pid:193cm hgt:189cm hcl:#ceb3a1 ecl:grn +iyr:2023 + +byr:2014 +iyr:2026 eyr:1978 hcl:z cid:312 pid:8294818417 +hgt:169in ecl:#82bb02 + +ecl:amb +byr:1936 hcl:#7d3b0c pid:429853734 +cid:342 iyr:2010 eyr:2025 hgt:160cm + +byr:2025 hgt:176in hcl:a490ac +ecl:#956d3f iyr:2027 +eyr:2021 pid:9858101884 + +hgt:142 pid:175cm +eyr:1952 byr:2004 iyr:2007 ecl:#da035e hcl:#623a2f +cid:194 + +hgt:156cm +pid:349122810 hcl:#b6652a eyr:2026 byr:1948 ecl:lzr iyr:2020 + +byr:1997 ecl:blu +hcl:#888785 pid:381094641 iyr:2014 hgt:192cm eyr:2027 + +hcl:7b10a2 ecl:lzr byr:2022 +eyr:2035 +pid:#38b715 hgt:190in iyr:2029 + +pid:188cm byr:2014 +cid:241 ecl:#dda9bd hcl:#8f6ebc +hgt:188cm iyr:2014 eyr:2029 + +hgt:76cm ecl:gmt hcl:z iyr:2024 +pid:3283057785 +byr:2019 eyr:2026 + +iyr:2010 pid:284327216 hgt:191cm +byr:1970 +hcl:#18171d +ecl:grn +eyr:2023 + +byr:1929 eyr:2026 cid:194 ecl:oth hgt:156cm pid:224596482 hcl:#b6652a iyr:2013 + +eyr:2030 byr:1958 hgt:190cm +pid:162950579 iyr:2010 +ecl:brn +cid:250 hcl:#fffffd + +ecl:xry iyr:2025 pid:#0155c1 +hcl:#341e13 +eyr:2027 hgt:163cm byr:2025 + +hcl:#602927 pid:908859481 byr:1962 ecl:hzl +iyr:2021 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+eyr:2031 +ecl:#dbd99d + +byr:1957 +eyr:2021 pid:557648216 ecl:amb hcl:#7d3b0c hgt:186cm +iyr:2020 + +hcl:#602927 hgt:186cm pid:604175608 +iyr:2013 eyr:2026 ecl:oth byr:1991 cid:65 + +ecl:gry +iyr:2012 hgt:154cm +pid:872898058 eyr:2030 hcl:#341e13 byr:1994 + +pid:228236326 +iyr:2013 cid:347 byr:1942 +eyr:2021 ecl:brn +hgt:165cm +hcl:#fffffd + +pid:392777182 cid:189 hcl:#cfa07d eyr:2027 hgt:191cm ecl:blu byr:1978 + +hgt:158in iyr:2028 +pid:5145408095 byr:2012 ecl:#94c57d hcl:z eyr:1996 + +byr:1949 eyr:2021 +ecl:#5ffbeb iyr:1948 pid:42650064 hcl:z hgt:167cm + +iyr:2013 ecl:xry cid:100 +hgt:138 byr:2013 +eyr:1944 hcl:92b68c + +hgt:187cm +ecl:grn hcl:#602927 +iyr:2010 +eyr:2022 byr:1949 cid:280 pid:251802347 + +ecl:grn +cid:219 +iyr:2018 hgt:165cm +pid:703878503 eyr:2024 hcl:#b6652a +byr:2002 + +hcl:#18171d cid:341 ecl:amb byr:1941 eyr:2021 iyr:1990 pid:865132177 hgt:153cm + +byr:2008 pid:861480549 +cid:97 eyr:2028 hcl:#efcc98 +iyr:2015 +hgt:191cm ecl:#232b23 + +hcl:#cfa07d +eyr:2030 iyr:2013 cid:304 +ecl:gry pid:199056608 hgt:192cm +byr:1926 + +pid:355135528 hgt:153cm byr:1998 iyr:2019 eyr:2027 +ecl:amb hcl:#18171d + +eyr:2028 hcl:8eed9c ecl:grn +iyr:2010 byr:2005 hgt:107 +pid:64892698 + +pid:601671623 hgt:153cm iyr:2011 hcl:#b6652a byr:1975 ecl:grn eyr:2029 + +ecl:grn hcl:#18171d hgt:157cm +eyr:2023 pid:507932715 byr:1920 iyr:2020 + +eyr:2022 byr:1933 hcl:#fffffd iyr:2016 hgt:181cm pid:826522507 ecl:blu + +byr:2002 hcl:#866857 hgt:177cm pid:240202426 +ecl:gry cid:127 +eyr:2022 +iyr:2014 + +byr:1971 +iyr:2017 +pid:733985576 hcl:#c58c6c hgt:178cm +ecl:blu +eyr:2023 + +ecl:blu iyr:2017 pid:558732458 hcl:#1b3ab5 eyr:2025 byr:1967 hgt:176cm + +eyr:2025 ecl:gry iyr:2020 byr:1988 +hcl:#733820 +hgt:189cm cid:151 pid:934827751 + +ecl:gry eyr:1951 +iyr:1932 +pid:309366394 byr:1945 hcl:#623a2f hgt:179cm + +pid:462345884 ecl:hzl +cid:206 eyr:2021 hcl:#733820 +byr:1982 hgt:180cm iyr:2010 + +iyr:2020 hgt:155cm hcl:#341e13 pid:110467532 cid:92 ecl:hzl byr:1975 eyr:2028 + +hcl:#18171d iyr:2010 +hgt:182cm byr:1930 +eyr:2024 +cid:226 + +byr:1956 hcl:fb0c6f pid:181cm eyr:2012 iyr:2020 +ecl:#d38822 +hgt:69cm + +ecl:gry iyr:2018 +hgt:169cm byr:1981 +pid:534824014 cid:287 eyr:2021 hcl:#c0946f + +eyr:2039 hcl:#328e90 iyr:2015 +hgt:170cm pid:#9fa2a4 byr:1999 +ecl:#cd1fd7 + +hgt:190cm hcl:#733820 +pid:302244363 +ecl:brn +byr:1965 iyr:2013 + +iyr:2012 +eyr:2021 +pid:579705743 +ecl:brn hgt:190in +byr:1954 hcl:#888785 + +eyr:2036 hgt:154cm +pid:800720865 byr:2023 ecl:oth iyr:2010 hcl:z + +pid:#92f6a9 iyr:2028 eyr:1943 +hgt:191cm ecl:hzl hcl:z byr:2018 + +hcl:#c0946f +pid:419930442 hgt:167cm +byr:1969 +eyr:2020 ecl:brn + +pid:137802946 +eyr:2020 byr:1947 ecl:grn hgt:192cm iyr:2016 hcl:#888785 + +ecl:#f66cce eyr:1958 iyr:1954 +pid:833131572 +hcl:z +cid:212 +hgt:109 byr:1924 + +hgt:179cm ecl:gry pid:065881341 byr:1985 +hcl:#fffffd cid:204 eyr:2026 + +hgt:167cm +iyr:2017 pid:898571403 byr:1929 +ecl:blu hcl:#d506d0 eyr:2028 cid:100 + +byr:1991 pid:2795214253 iyr:2011 +cid:152 eyr:2028 +hgt:170cm hcl:#a45065 ecl:lzr + +hgt:188cm eyr:2030 iyr:2010 +pid:297292695 byr:1955 hcl:#fffffd +ecl:blu + +hgt:170cm eyr:2029 pid:913242036 byr:1993 cid:89 hcl:#888785 +iyr:2010 +ecl:blu + +iyr:2028 eyr:2025 hgt:150in ecl:grn +byr:1995 +pid:974802728 +hcl:#cfa07d + +eyr:2021 byr:1989 +hcl:#18171d ecl:blu hgt:168cm +pid:626530259 +iyr:2020 + +hcl:#6b5442 hgt:158cm pid:798732187 byr:1922 eyr:2020 iyr:2011 ecl:gry + +hcl:#341e13 pid:092679330 byr:1997 ecl:oth hgt:159cm iyr:2010 eyr:2026 + +hgt:185cm +iyr:2020 byr:1947 +pid:105846744 ecl:gry cid:134 eyr:2027 + +pid:252016128 hcl:9016ff cid:158 hgt:161 ecl:gry +byr:1952 eyr:1955 iyr:2018 + +iyr:2020 hgt:154in byr:1958 +eyr:2029 ecl:#2feb89 pid:99780178 + +hcl:z +eyr:2001 ecl:gmt +byr:2022 hgt:73in iyr:2029 +pid:388744230 + +hgt:186cm +byr:1939 pid:622948608 ecl:oth eyr:2030 +hcl:#c0946f + +cid:272 +eyr:2025 byr:1979 ecl:brn hgt:180cm pid:456545466 +hcl:#fffffd iyr:2012 + +pid:946657041 byr:1999 +iyr:2014 hcl:#ceb3a1 hgt:150cm +ecl:grn + +byr:1957 pid:177cm ecl:blu eyr:2020 hcl:#cfa07d +iyr:2010 hgt:183cm + +pid:161cm eyr:2025 hcl:#b6652a +cid:213 +ecl:xry +hgt:150cm +iyr:2024 byr:2012 + +hcl:ea1960 +ecl:grn +pid:#7127b2 iyr:2012 eyr:2011 hgt:150 + +pid:178699291 +hgt:66in eyr:2027 +byr:1985 iyr:2014 ecl:amb + +iyr:2017 ecl:blu +eyr:2027 hgt:191cm byr:1990 hcl:#b6652a pid:074411798 + +pid:528782860 +hgt:181cm hcl:#c0946f byr:1965 iyr:2012 ecl:grn eyr:2020 + +pid:#ba10da hgt:176in byr:2006 +ecl:grt +iyr:2030 eyr:1949 hcl:d3ca76 + +hgt:66cm ecl:#898478 hcl:#e9f7a5 eyr:2030 iyr:2022 +byr:2025 +pid:159cm + +byr:1994 hcl:#ceb3a1 +pid:028071950 eyr:2022 ecl:gmt hgt:151in iyr:2016 + +byr:2001 iyr:2011 +ecl:brn +pid:487702556 hcl:#602927 +hgt:167cm eyr:2026 + +# The above line MUST be blank diff --git a/2020/04/puzzle-1.awk b/2020/04/puzzle-1.awk new file mode 100755 index 0000000..4c0c474 --- /dev/null +++ b/2020/04/puzzle-1.awk @@ -0,0 +1,30 @@ +#!/usr/bin/env -S awk -f + +length == 0 { + valid = 1 + for (i in fields) { + if (fields[i] == "") + valid = 0 + } + + if (valid) + count++ + + fields["byr"] = "" + fields["iyr"] = "" + fields["eyr"] = "" + fields["hgt"] = "" + fields["hcl"] = "" + fields["ecl"] = "" + fields["pid"] = "" +} + +{ + for (i = 1; i <= NF; i++) { + split($i, data, ":") + fields[data[1]] = data[2] + } +} + +# Why do I need to subtract one? This code is so old I can't remember +END { print count - 1 } diff --git a/2020/04/puzzle-2.awk b/2020/04/puzzle-2.awk new file mode 100755 index 0000000..bb88145 --- /dev/null +++ b/2020/04/puzzle-2.awk @@ -0,0 +1,67 @@ +#!/usr/bin/env -S awk -f + +function between(x, l, h) +{ + return (x >= l) && (x <= h) +} + +BEGIN { + eyecolor[1] = "amb" + eyecolor[2] = "blu" + eyecolor[3] = "brn" + eyecolor[4] = "gry" + eyecolor[5] = "grn" + eyecolor[6] = "hzl" + eyecolor[7] = "oth" +} + +length == 0 { + valid = 1 + + if (!(between(fields["byr"], 1920, 2002) && between(fields["iyr"], 2010, 2020) && + between(fields["eyr"], 2020, 2030) && length(fields["pid"]) == 9)) + valid = 0 + else { + # Test eyecolor + valid = 0 + for (i in eyecolor) { + if (fields["ecl"] == eyecolor[i]) { + valid = 1 + break + } + } + + # Test height + split(fields["hgt"], height, "[^0-9]") + if ((fields["hgt"] ~ "cm" && !between(height[1], 150, 193)) || + (fields["hgt"] ~ "in" && !between(height[1], 59, 76)) || + (fields["hgt"] !~ "cm|in")) + valid = 0 + + # Test haircolor + if (fields["hcl"] !~ "^#[0-9a-f]{6}") + valid = 0 + } + + if (valid == 1) + count++ + + fields["byr"] = "" + fields["iyr"] = "" + fields["eyr"] = "" + fields["hgt"] = "" + fields["hcl"] = "" + fields["ecl"] = "" + fields["pid"] = "" + next +} + +# Non-blank lines +{ + for (i = 1; i <= NF; i++) { + split($i, data, ":") + fields[data[1]] = data[2] + } +} + +END { print count } diff --git a/2020/05/.gitignore b/2020/05/.gitignore new file mode 100644 index 0000000..e2451f9 --- /dev/null +++ b/2020/05/.gitignore @@ -0,0 +1 @@ +seatids diff --git a/2020/05/Makefile b/2020/05/Makefile new file mode 100644 index 0000000..48f7dd4 --- /dev/null +++ b/2020/05/Makefile @@ -0,0 +1,6 @@ +all: + ${CC} ${CFLAGS} -o seatids seatids.c + +.PHONY: clean +clean: + rm -f seatids diff --git a/2020/05/input b/2020/05/input new file mode 100644 index 0000000..e3bc909 --- /dev/null +++ b/2020/05/input @@ -0,0 +1,908 @@ +FBBFBBBRLL +FBBFFBFLLL 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\ No newline at end of file diff --git a/2020/05/puzzle-1.awk b/2020/05/puzzle-1.awk new file mode 100644 index 0000000..831c127 --- /dev/null +++ b/2020/05/puzzle-1.awk @@ -0,0 +1,2 @@ +$0 > max { max = $0 } +END { print max } diff --git a/2020/05/puzzle-2.awk b/2020/05/puzzle-2.awk new file mode 100644 index 0000000..8b9b823 --- /dev/null +++ b/2020/05/puzzle-2.awk @@ -0,0 +1,11 @@ +{ ids[NR] = $0 } + +END { + n = asort(ids) + for (i = 1; i <= n; i++) { + if ((i + 35) != ids[i]) { + print i + 35 + exit + } + } +} diff --git a/2020/05/puzzles.sh b/2020/05/puzzles.sh new file mode 100755 index 0000000..2066d76 --- /dev/null +++ b/2020/05/puzzles.sh @@ -0,0 +1,4 @@ +#!/usr/bin/env sh + +./seatids | awk -f puzzle-1.awk +./seatids | gawk -f puzzle-2.awk diff --git a/2020/05/seatids.c b/2020/05/seatids.c new file mode 100644 index 0000000..9c3b797 --- /dev/null +++ b/2020/05/seatids.c @@ -0,0 +1,37 @@ +#include <math.h> +#include <stdio.h> + +/* Parse the input file `input` and print out all of the seat IDs which can be piped into both awk + * scripts + */ +int +main(void) +{ + FILE *fpt = fopen("input", "r"); + /* +2 for \n and \0 */ + char bpass[12]; + while (fgets(bpass, 12, fpt) != NULL) { + int lower_r = 0; + int upper_r = 127; + for (int i = 0; i < 7; i++) { + if (bpass[i] == 'F') + upper_r = (upper_r + lower_r) / 2; + else + lower_r = round((upper_r + lower_r) / 2); + } + + int lower_c = 0; + int upper_c = 7; + for (int i = 7; i < 10; i++) { + if (bpass[i] == 'L') + upper_c = (upper_c + lower_c) / 2; + else + lower_c = round((upper_c + lower_c) / 2); + } + + int seat_id = upper_r * 8 + upper_c; + printf("%d\n", seat_id); + } + + return 0; +} diff --git a/2020/06/input b/2020/06/input new file mode 100644 index 0000000..7153597 --- /dev/null +++ b/2020/06/input @@ -0,0 +1,2167 @@ +adgvrhblps +pghsdrbmalv +hrlbpdasgv +bgvsdplahr + +lgnpfhrm +hwmng +gunhmo + +txkeafsbgjuizd +etmcgdbfajuz + +xdtzjioqavmchsbfrkp +bzjkriqmvxedotpcf +azjckxmqovtidbprf 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\ No newline at end of file diff --git a/2020/06/puzzle-1.awk b/2020/06/puzzle-1.awk new file mode 100755 index 0000000..71d55a8 --- /dev/null +++ b/2020/06/puzzle-1.awk @@ -0,0 +1,14 @@ +#!/usr/bin/env -S awk -f + +BEGIN { RS = "" } +{ + split($0, chars, "") + for (i = 1; i <= length; i++) { + if (chars[i] != "\n") + answers[chars[i]] = 1 + } + + sum += length(answers) + delete answers +} +END { print sum } diff --git a/2020/06/puzzle-2.awk b/2020/06/puzzle-2.awk new file mode 100755 index 0000000..98224ac --- /dev/null +++ b/2020/06/puzzle-2.awk @@ -0,0 +1,23 @@ +#!/usr/bin/env -S awk -f + +BEGIN { + RS = "" + FS = "\n" +} + +{ + for (i = 1; i <= NF; i++) { + len = split($i, answers, "") + for (j = 1; j <= len; j++) + count[answers[j]]++ + } + + for (i in count) { + if (count[i] == NF) + sum++ + } + + delete count +} + +END { print sum } diff --git a/2020/07/input b/2020/07/input new file mode 100644 index 0000000..4e9e60a --- /dev/null +++ b/2020/07/input @@ -0,0 +1,594 @@ +dotted salmon bags contain 2 dark lavender bags, 1 muted red bag, 1 vibrant magenta bag. +vibrant purple bags contain 1 pale cyan bag, 1 dotted lavender bag, 3 striped blue bags, 5 clear magenta bags. +vibrant fuchsia bags contain 4 posh violet bags, 3 bright aqua bags, 1 light silver bag. +mirrored purple bags contain 2 dim yellow bags, 4 dim green bags, 3 vibrant beige bags. +faded coral bags contain 1 vibrant plum bag, 3 pale gold bags, 5 dim purple bags, 1 drab teal bag. +wavy cyan bags contain 4 dark teal bags, 1 dotted magenta bag. +dotted gold bags contain 3 dotted gray bags. +shiny maroon bags contain 2 light white bags, 5 bright salmon bags. +vibrant cyan bags contain 2 dull beige bags. +clear fuchsia bags contain 5 bright bronze bags. +clear violet bags contain 4 clear white bags, 2 drab fuchsia bags, 4 plaid lavender bags, 4 drab beige bags. +wavy tomato bags contain 3 wavy yellow bags, 4 plaid maroon bags, 1 dark beige bag. +shiny indigo bags contain 4 posh aqua bags, 2 dim salmon bags, 3 dotted olive bags, 1 dull gray bag. +dotted indigo bags contain 3 muted bronze bags, 1 striped salmon bag, 5 vibrant violet bags, 3 drab crimson bags. +mirrored magenta bags contain 1 shiny aqua bag. +pale green bags contain 4 striped orange bags, 3 plaid red bags, 3 clear olive bags. +dim crimson bags contain 5 posh violet bags, 3 mirrored crimson bags, 2 striped white bags, 1 dark indigo bag. +light white bags contain 1 dark indigo bag, 1 wavy orange bag. +striped green bags contain 2 clear beige bags, 4 dim coral bags. +dotted lavender bags contain 1 striped white bag, 5 dotted coral bags, 3 striped orange bags, 1 dotted gray bag. +light purple bags contain 5 dim tomato bags, 4 dull plum bags, 1 dim green bag, 3 dotted magenta bags. +shiny violet bags contain 1 shiny white bag. +dark lime bags contain 4 mirrored crimson bags, 2 wavy crimson bags, 4 dim green bags. +dark teal bags contain 3 mirrored orange bags. +muted maroon bags contain 5 dim fuchsia bags. +posh tomato bags contain 3 bright violet bags, 3 dim crimson bags, 4 mirrored beige bags, 3 drab lime bags. +plaid violet bags contain 1 shiny tomato bag, 5 dotted gray bags, 1 muted magenta bag, 5 mirrored crimson bags. +shiny bronze bags contain 3 dim red bags, 2 drab plum bags, 3 striped yellow bags, 1 mirrored yellow bag. +muted tomato bags contain 2 vibrant maroon bags, 3 vibrant beige bags, 5 light coral bags. +muted fuchsia bags contain 2 clear violet bags, 4 shiny gray bags, 1 shiny gold bag, 3 wavy crimson bags. +pale teal bags contain 2 bright beige bags, 3 vibrant cyan bags, 4 bright salmon bags, 3 plaid red bags. +posh salmon bags contain 2 dull beige bags, 1 faded maroon bag. +dim white bags contain 2 dull tan bags, 3 dotted coral bags, 1 light silver bag, 1 dim gold bag. +posh tan bags contain 4 clear blue bags, 4 dim olive bags, 4 striped green bags. +dim lime bags contain 2 drab chartreuse bags, 5 striped magenta bags, 4 striped purple bags. +mirrored white bags contain 2 dotted white bags, 3 striped salmon bags, 3 dull green bags, 3 plaid orange bags. +shiny fuchsia bags contain 3 striped bronze bags, 1 plaid violet bag. +dull indigo bags contain 5 wavy tomato bags. +posh maroon bags contain 2 dark green bags, 4 posh red bags, 3 drab tomato bags. +clear coral bags contain 5 pale yellow bags, 2 muted green bags, 3 faded black bags, 1 striped teal bag. +posh gold bags contain 3 wavy yellow bags, 5 mirrored crimson bags, 1 dotted lavender bag, 2 plaid purple bags. +muted yellow bags contain 3 wavy tan bags, 1 dark beige bag, 3 drab lavender bags. +pale cyan bags contain 5 clear black bags, 3 dull lime bags, 3 wavy olive bags, 5 plaid indigo bags. +drab white bags contain 2 dull green bags, 3 wavy aqua bags, 4 dark indigo bags. +drab lime bags contain 2 drab aqua bags, 5 light turquoise bags. +dotted tan bags contain 1 dotted beige bag, 5 faded maroon bags, 5 light indigo bags, 3 light bronze bags. +muted crimson bags contain 5 faded gold bags. +striped turquoise bags contain 1 shiny silver bag, 4 vibrant salmon bags, 5 dotted yellow bags. +plaid yellow bags contain 2 dim crimson bags, 5 bright tan bags, 3 wavy yellow bags, 1 clear silver bag. +shiny salmon bags contain 2 vibrant yellow bags. +pale maroon bags contain 5 faded silver bags, 3 dull lavender bags, 4 dotted magenta bags. +dotted orange bags contain 4 mirrored brown bags, 2 clear fuchsia bags. +muted gray bags contain 5 dim purple bags, 3 wavy yellow bags. +vibrant gold bags contain 2 wavy maroon bags, 5 faded chartreuse bags, 3 light indigo bags, 4 dark brown bags. +bright fuchsia bags contain 4 pale crimson bags, 3 striped orange bags, 1 shiny tomato bag, 5 bright tan bags. +light cyan bags contain 1 dim teal bag, 3 wavy indigo bags. +pale olive bags contain 3 light fuchsia bags. +dim brown bags contain 2 dotted indigo bags. +mirrored silver bags contain 3 plaid violet bags. +posh cyan bags contain 5 wavy maroon bags, 4 dim gold bags. +bright turquoise bags contain 5 posh bronze bags, 4 shiny aqua bags. +faded fuchsia bags contain 3 dotted gray bags. +dull beige bags contain 3 posh bronze bags. +dark purple bags contain 4 dim salmon bags, 4 faded maroon bags, 2 drab red bags, 1 clear bronze bag. +drab tan bags contain 5 striped maroon bags. +faded green bags contain 3 dark lavender bags, 4 posh lime bags, 2 light purple bags, 2 dark plum bags. +posh indigo bags contain 4 dark tan bags, 2 dark lavender bags, 1 shiny cyan bag. +drab maroon bags contain 3 wavy red bags, 1 dim fuchsia bag, 5 mirrored indigo bags, 2 drab lavender bags. +dim magenta bags contain 4 striped orange bags. +striped teal bags contain 2 dark lime bags. +plaid green bags contain 5 mirrored salmon bags, 4 mirrored brown bags, 2 dark lavender bags, 4 faded indigo bags. +dull blue bags contain 3 faded lime bags, 2 faded violet bags, 4 dull tan bags, 1 shiny tan bag. +muted turquoise bags contain 5 dim silver bags, 4 wavy crimson bags. +dull teal bags contain 1 faded blue bag, 3 light violet bags, 3 faded black bags. +mirrored salmon bags contain 4 muted magenta bags, 3 dotted tomato bags, 2 light cyan bags, 2 vibrant lavender bags. +shiny coral bags contain 1 striped teal bag, 1 drab lime bag, 5 mirrored red bags. +muted chartreuse bags contain 2 striped white bags, 3 bright turquoise bags, 2 faded silver bags. +mirrored green bags contain 2 bright maroon bags. +light brown bags contain 2 clear bronze bags, 4 dark lime bags, 3 muted teal bags, 5 wavy yellow bags. +vibrant indigo bags contain 3 dotted bronze bags. +light coral bags contain 2 dotted bronze bags. +dotted turquoise bags contain 3 plaid red bags, 3 shiny fuchsia bags, 4 faded lime bags. +dark white bags contain 1 dull blue bag, 5 shiny cyan bags, 3 dark beige bags, 2 mirrored brown bags. +pale purple bags contain 5 faded gold bags, 2 drab maroon bags. +wavy beige bags contain 3 faded violet bags, 4 mirrored silver bags, 4 clear gray bags, 2 dotted tomato bags. +light teal bags contain 4 bright magenta bags, 2 drab coral bags. +bright tomato bags contain 3 mirrored crimson bags, 1 muted blue bag, 4 dim brown bags. +plaid turquoise bags contain 4 vibrant blue bags, 1 wavy chartreuse bag, 2 pale magenta bags. +faded tomato bags contain 3 light salmon bags, 2 wavy chartreuse bags. +faded salmon bags contain 5 dark aqua bags, 4 faded bronze bags, 5 bright crimson bags. +light salmon bags contain 2 mirrored silver bags, 3 dotted coral bags, 3 wavy crimson bags. +mirrored lavender bags contain 4 shiny silver bags, 1 wavy crimson bag. +vibrant plum bags contain 5 light orange bags, 4 dull lime bags, 2 dim aqua bags, 5 shiny violet bags. +vibrant tan bags contain 1 drab salmon bag, 2 dull beige bags, 3 dotted bronze bags. +faded red bags contain 3 light indigo bags, 2 dotted tomato bags. +bright purple bags contain 3 light tomato bags, 3 clear gold bags. +plaid magenta bags contain 5 muted orange bags, 3 pale plum bags, 5 faded plum bags. +wavy tan bags contain 1 dull lavender bag. +faded olive bags contain 5 mirrored silver bags. +plaid white bags contain 4 bright bronze bags, 2 dotted cyan bags, 2 dark lavender bags, 5 shiny lavender bags. +striped aqua bags contain 5 light salmon bags. +drab tomato bags contain 1 dark lime bag, 2 muted magenta bags, 5 clear gray bags, 3 dotted gray bags. +clear tomato bags contain 5 plaid bronze bags. +posh teal bags contain 1 plaid maroon bag, 3 light tan bags, 1 clear crimson bag, 5 vibrant aqua bags. +dim tan bags contain 2 drab fuchsia bags, 3 dark beige bags, 3 plaid green bags. +dotted lime bags contain 4 dim red bags. +mirrored beige bags contain 1 bright orange bag, 3 light purple bags. +plaid silver bags contain 2 bright gold bags. +faded orange bags contain 5 faded plum bags. +dim indigo bags contain 4 muted orange bags, 5 vibrant tomato bags. +shiny blue bags contain 3 drab crimson bags, 2 dim green bags, 1 clear violet bag. +dull olive bags contain 2 plaid lime bags, 5 muted maroon bags, 4 shiny crimson bags, 3 dim plum bags. +striped maroon bags contain 1 dim tomato bag, 2 dotted tomato bags, 1 muted magenta bag, 5 faded maroon bags. +dull green bags contain 4 light salmon bags, 1 dim green bag. +vibrant crimson bags contain 4 clear plum bags, 2 faded white bags, 4 wavy crimson bags. +striped chartreuse bags contain 2 plaid lavender bags. +bright chartreuse bags contain 2 vibrant orange bags. +drab lavender bags contain 4 dotted coral bags. +dull crimson bags contain 2 faded silver bags, 2 bright magenta bags. +striped magenta bags contain 4 dull crimson bags, 4 faded maroon bags. +clear bronze bags contain 1 bright bronze bag, 2 shiny red bags. +plaid tan bags contain 5 pale silver bags, 5 muted teal bags, 3 faded beige bags, 2 faded chartreuse bags. +dim black bags contain 2 faded indigo bags. +shiny black bags contain 3 dotted bronze bags, 5 clear olive bags, 3 dark orange bags, 4 pale coral bags. +striped gold bags contain 3 dotted coral bags, 4 faded orange bags, 2 striped purple bags, 4 light cyan bags. +drab chartreuse bags contain 4 dull crimson bags. +bright yellow bags contain 3 wavy crimson bags, 4 bright turquoise bags, 3 plaid red bags. +dark orange bags contain 3 wavy yellow bags. +clear salmon bags contain 5 wavy turquoise bags, 4 shiny aqua bags, 1 shiny brown bag, 1 vibrant tomato bag. +plaid fuchsia bags contain 1 posh olive bag. +wavy magenta bags contain 5 vibrant beige bags, 5 faded chartreuse bags, 5 light purple bags, 4 wavy indigo bags. +dull gold bags contain 2 shiny bronze bags, 4 plaid beige bags, 4 mirrored silver bags, 2 bright lavender bags. +drab magenta bags contain 1 posh red bag. +shiny silver bags contain 4 dark lavender bags, 2 dull tan bags. +shiny crimson bags contain 3 plaid violet bags, 4 muted purple bags. +posh black bags contain 2 dotted magenta bags, 4 dotted gray bags. +vibrant salmon bags contain 1 clear silver bag. +dotted tomato bags contain 4 wavy crimson bags, 3 faded plum bags, 4 muted magenta bags. +dark turquoise bags contain 1 dim beige bag, 3 dotted coral bags. +pale orange bags contain 2 striped silver bags, 1 dotted salmon bag, 3 dim black bags, 4 posh turquoise bags. +mirrored indigo bags contain 5 posh yellow bags. +muted lavender bags contain 5 striped olive bags, 1 muted indigo bag. +light yellow bags contain 5 dark chartreuse bags. +drab bronze bags contain 3 clear beige bags, 3 bright purple bags, 3 bright brown bags. +mirrored blue bags contain 5 dotted bronze bags, 1 dark green bag, 5 clear silver bags, 5 dim maroon bags. +wavy violet bags contain 4 light tan bags, 1 vibrant lavender bag. +clear red bags contain 4 faded orange bags, 1 drab gold bag, 4 dim teal bags, 4 dotted indigo bags. +striped indigo bags contain 5 dim indigo bags. +striped olive bags contain 3 dotted green bags, 4 mirrored cyan bags. +dim fuchsia bags contain 3 vibrant gray bags, 5 wavy brown bags, 2 muted beige bags. +plaid plum bags contain 3 shiny tomato bags, 4 striped orange bags. +striped white bags contain 1 plaid red bag. +mirrored coral bags contain 5 drab teal bags, 4 dotted coral bags, 4 striped chartreuse bags, 5 dotted gold bags. +dull bronze bags contain 4 dim olive bags, 5 posh turquoise bags, 2 clear gold bags. +pale white bags contain 3 vibrant gray bags, 4 wavy coral bags, 5 drab purple bags. +drab green bags contain 1 dim teal bag, 1 faded bronze bag, 3 clear silver bags. +dotted black bags contain 3 drab tan bags, 2 vibrant orange bags, 3 striped maroon bags. +light gold bags contain 5 posh olive bags, 3 striped orange bags, 3 dull orange bags. +pale tan bags contain 1 mirrored fuchsia bag, 4 light silver bags, 5 dim plum bags. +plaid lavender bags contain 1 dim teal bag, 5 shiny aqua bags, 5 wavy crimson bags. +wavy lime bags contain 1 pale chartreuse bag, 5 mirrored white bags, 4 faded olive bags. +bright crimson bags contain 1 plaid green bag. +pale fuchsia bags contain 4 light aqua bags. +striped crimson bags contain 4 shiny plum bags, 3 dull violet bags, 5 clear tan bags. +mirrored fuchsia bags contain 3 posh red bags, 3 plaid violet bags, 5 shiny brown bags, 5 striped chartreuse bags. +faded cyan bags contain 3 striped yellow bags, 3 clear indigo bags. +mirrored plum bags contain 2 vibrant silver bags. +dull turquoise bags contain 2 plaid white bags, 5 striped salmon bags, 5 clear purple bags. +dim orange bags contain 5 dim black bags. +dull orange bags contain 3 dotted magenta bags, 2 mirrored crimson bags, 3 striped bronze bags. +dark gray bags contain 4 dotted crimson bags, 2 vibrant salmon bags. +drab orange bags contain 5 dotted gray bags, 5 muted maroon bags, 5 faded aqua bags, 2 pale maroon bags. +striped bronze bags contain 3 striped white bags, 5 striped orange bags. +light bronze bags contain 2 plaid red bags, 2 faded olive bags. +drab olive bags contain 2 striped salmon bags, 3 drab white bags, 4 pale silver bags. +bright cyan bags contain 5 muted blue bags. +drab black bags contain 1 shiny blue bag, 1 drab yellow bag, 5 muted tan bags, 2 drab violet bags. +shiny green bags contain 5 dim purple bags, 1 dotted crimson bag. +wavy blue bags contain 3 shiny white bags. +pale lime bags contain 1 dotted maroon bag. +dotted red bags contain 1 dotted bronze bag, 1 vibrant lime bag, 4 clear plum bags. +faded bronze bags contain 4 pale magenta bags, 1 faded black bag, 1 faded orange bag, 3 dark crimson bags. +dark green bags contain 1 striped magenta bag. +faded blue bags contain 2 dim maroon bags. +dim violet bags contain 4 posh yellow bags, 5 dim lime bags, 5 faded olive bags. +dark tan bags contain 2 mirrored green bags. +dim teal bags contain 5 mirrored yellow bags, 2 dull tan bags, 2 vibrant lavender bags, 4 clear lime bags. +plaid crimson bags contain 3 striped black bags, 1 faded plum bag, 3 muted red bags. +clear white bags contain 1 shiny gold bag. +dim silver bags contain 5 dull tan bags. +dark cyan bags contain 2 clear black bags, 5 plaid yellow bags, 2 posh coral bags. +dull violet bags contain 5 wavy teal bags, 5 shiny white bags. +muted coral bags contain 5 faded violet bags, 2 drab red bags, 3 muted olive bags, 4 mirrored tomato bags. +vibrant white bags contain 3 muted brown bags, 4 mirrored red bags, 4 dull orange bags, 4 dark crimson bags. +posh red bags contain 2 clear gray bags, 2 bright turquoise bags. +wavy chartreuse bags contain 5 light tomato bags, 5 posh black bags. +striped black bags contain 1 faded green bag, 1 wavy green bag, 4 wavy orange bags. +drab indigo bags contain 4 clear cyan bags, 4 mirrored crimson bags, 4 clear silver bags. +pale gold bags contain 1 dim lime bag. +dark olive bags contain 5 bright white bags, 5 clear lavender bags, 2 vibrant coral bags. +muted salmon bags contain 4 drab beige bags, 3 plaid violet bags, 4 mirrored brown bags, 3 dark lime bags. +posh gray bags contain 1 clear beige bag, 4 vibrant blue bags, 1 shiny aqua bag, 5 dim tan bags. +bright white bags contain 5 muted bronze bags, 5 clear cyan bags. +dull white bags contain 1 vibrant tomato bag. +striped tan bags contain 4 mirrored brown bags, 5 faded chartreuse bags. +wavy teal bags contain 3 plaid red bags. +faded purple bags contain 4 muted orange bags, 3 clear salmon bags, 5 drab cyan bags. +dotted yellow bags contain 4 light indigo bags, 5 drab violet bags, 3 dull tan bags, 3 bright lime bags. +wavy plum bags contain 2 dim aqua bags, 5 dark brown bags, 1 bright gold bag, 2 dull orange bags. +muted blue bags contain 5 plaid tan bags, 4 dim salmon bags, 5 striped tomato bags. +dim green bags contain no other bags. +light lime bags contain 3 mirrored orange bags, 2 muted red bags, 1 dim black bag, 4 posh maroon bags. +mirrored brown bags contain 4 dotted gray bags, 3 clear lime bags, 2 dim green bags. +drab fuchsia bags contain 5 mirrored yellow bags, 5 plaid plum bags. +drab gray bags contain 2 dim violet bags, 4 posh purple bags. +vibrant teal bags contain 4 pale tomato bags, 2 posh lime bags, 2 mirrored silver bags, 1 wavy crimson bag. +dotted plum bags contain 5 bright gold bags. +shiny gold bags contain 4 shiny tomato bags, 5 wavy indigo bags. +bright bronze bags contain 2 faded maroon bags, 2 dim white bags, 5 drab violet bags. +drab yellow bags contain 4 mirrored green bags, 5 faded fuchsia bags, 1 drab turquoise bag. +dark bronze bags contain 5 muted salmon bags, 3 posh cyan bags, 2 shiny tan bags. +light magenta bags contain 3 dark silver bags, 2 striped tan bags. +pale yellow bags contain 5 drab tomato bags, 3 striped orange bags, 4 striped maroon bags. +shiny cyan bags contain 2 light tomato bags, 3 clear purple bags, 2 shiny tan bags, 3 dull tan bags. +pale gray bags contain 2 drab purple bags, 5 dotted turquoise bags, 3 pale salmon bags. +mirrored cyan bags contain 4 faded chartreuse bags. +dotted bronze bags contain 2 faded silver bags. +faded beige bags contain 1 bright red bag, 3 dotted red bags, 2 striped lime bags. +dotted beige bags contain 4 muted turquoise bags, 1 dull beige bag, 3 bright gold bags. +drab plum bags contain 4 clear chartreuse bags. +pale blue bags contain 1 dim chartreuse bag, 1 dark lavender bag, 1 drab tan bag. +faded teal bags contain 1 vibrant tan bag, 1 dim tan bag, 3 dull gray bags, 4 plaid red bags. +plaid beige bags contain 3 plaid tomato bags. +dotted chartreuse bags contain 1 pale maroon bag. +bright gray bags contain 2 bright coral bags, 3 bright turquoise bags, 4 posh tan bags. +bright olive bags contain 1 dotted bronze bag, 4 mirrored yellow bags, 4 light bronze bags. +dotted olive bags contain 5 clear purple bags, 5 muted bronze bags, 5 vibrant tomato bags. +pale tomato bags contain 4 clear gold bags, 4 clear tomato bags. +clear gold bags contain 1 striped lime bag, 1 striped chartreuse bag, 2 muted fuchsia bags, 5 clear salmon bags. +dotted gray bags contain no other bags. +striped brown bags contain 3 pale maroon bags, 5 faded gold bags, 4 wavy yellow bags, 3 bright turquoise bags. +shiny lime bags contain 4 pale violet bags, 4 clear violet bags. +mirrored tan bags contain 1 vibrant magenta bag, 3 mirrored violet bags, 5 faded plum bags. +dull maroon bags contain 5 posh salmon bags, 5 dull coral bags, 2 plaid plum bags, 3 striped teal bags. +dim purple bags contain 1 light tomato bag, 3 shiny violet bags. +bright brown bags contain 1 shiny aqua bag, 1 shiny lavender bag, 1 drab fuchsia bag, 3 faded olive bags. +light maroon bags contain 4 mirrored brown bags. +pale violet bags contain 4 wavy turquoise bags, 5 dull orange bags, 4 dotted black bags, 5 muted fuchsia bags. +mirrored black bags contain 3 dotted silver bags, 2 bright crimson bags. +drab aqua bags contain 3 plaid red bags, 1 plaid violet bag, 5 dim tomato bags. +clear green bags contain 4 dark coral bags. +mirrored aqua bags contain 4 shiny crimson bags, 4 wavy bronze bags. +pale coral bags contain 2 wavy olive bags, 2 muted silver bags, 4 dim tan bags. +mirrored gray bags contain 5 clear plum bags, 5 dark yellow bags. +light blue bags contain 3 dull bronze bags, 3 dotted plum bags. +dark silver bags contain 2 plaid chartreuse bags, 5 plaid lavender bags, 1 wavy indigo bag, 4 dark brown bags. +posh silver bags contain 4 shiny lavender bags. +shiny orange bags contain 4 light magenta bags. +dark blue bags contain 5 pale purple bags. +wavy white bags contain 1 posh olive bag, 1 dotted fuchsia bag, 4 muted maroon bags. +striped orange bags contain 2 faded plum bags. +dull lime bags contain 1 pale yellow bag, 1 clear turquoise bag, 5 faded silver bags, 4 dim beige bags. +dull red bags contain 1 bright aqua bag, 3 light maroon bags, 5 light tomato bags. +light tomato bags contain 3 dull crimson bags, 1 dim beige bag. +bright blue bags contain 3 plaid olive bags. +bright red bags contain 4 muted teal bags, 5 dotted magenta bags. +striped gray bags contain 2 dotted purple bags, 4 dull green bags, 4 dull salmon bags, 4 muted silver bags. +drab salmon bags contain 4 mirrored indigo bags, 5 mirrored silver bags, 5 shiny cyan bags, 1 plaid brown bag. +posh olive bags contain 3 faded silver bags, 5 plaid violet bags, 2 striped bronze bags. +dim salmon bags contain 5 vibrant lavender bags. +mirrored orange bags contain 2 bright white bags, 5 plaid orange bags. +posh fuchsia bags contain 5 vibrant coral bags, 2 shiny plum bags, 5 pale silver bags. +wavy fuchsia bags contain 5 posh cyan bags, 2 bright silver bags, 1 wavy tomato bag, 1 wavy plum bag. +clear olive bags contain 4 pale maroon bags, 2 muted bronze bags, 4 mirrored crimson bags, 2 dull blue bags. +clear blue bags contain 5 shiny white bags, 5 plaid lime bags. +dotted coral bags contain no other bags. +clear black bags contain 4 dull beige bags, 2 mirrored crimson bags, 2 dim beige bags. +mirrored turquoise bags contain 2 light green bags, 4 dull lime bags, 2 drab olive bags, 3 drab purple bags. +muted teal bags contain 2 dim gold bags, 1 light salmon bag, 3 dark crimson bags, 3 muted olive bags. +clear gray bags contain 2 dotted coral bags, 5 shiny tomato bags. +vibrant black bags contain 2 dull blue bags, 1 light magenta bag. +clear yellow bags contain 3 vibrant yellow bags, 2 plaid red bags, 1 dull plum bag, 4 faded violet bags. +dull fuchsia bags contain 4 dim maroon bags, 4 wavy plum bags, 5 dim teal bags. +mirrored gold bags contain 4 mirrored brown bags, 3 dotted coral bags, 4 faded plum bags, 1 mirrored indigo bag. +faded lime bags contain 3 plaid violet bags, 2 drab tan bags. +wavy olive bags contain 3 muted silver bags, 1 pale maroon bag, 5 posh silver bags. +pale bronze bags contain 2 striped purple bags, 5 bright magenta bags, 4 pale crimson bags. +posh crimson bags contain 4 mirrored purple bags, 2 shiny silver bags, 4 bright tan bags. +clear plum bags contain 1 mirrored indigo bag, 4 clear purple bags, 2 dull blue bags, 5 striped bronze bags. +vibrant chartreuse bags contain 5 vibrant yellow bags, 1 faded red bag. +plaid red bags contain no other bags. +dim maroon bags contain 2 pale yellow bags, 4 dotted cyan bags. +pale silver bags contain 2 dark crimson bags. +bright magenta bags contain 5 plaid red bags, 4 faded maroon bags. +dark crimson bags contain 2 bright magenta bags, 1 mirrored silver bag, 2 mirrored brown bags, 1 shiny lavender bag. +dull yellow bags contain 1 dull salmon bag. +dark maroon bags contain 5 muted turquoise bags. +clear indigo bags contain 5 posh purple bags, 3 striped magenta bags. +shiny olive bags contain 3 drab yellow bags. +vibrant bronze bags contain 4 plaid indigo bags. +light plum bags contain 5 faded aqua bags. +dim lavender bags contain 3 drab purple bags, 2 clear salmon bags, 1 wavy bronze bag, 1 plaid tan bag. +mirrored chartreuse bags contain 3 wavy plum bags, 2 muted tan bags. +bright teal bags contain 2 bright lavender bags, 5 plaid plum bags, 3 clear bronze bags. +dull tan bags contain 4 clear gray bags. +shiny magenta bags contain 2 plaid gold bags, 2 dotted turquoise bags, 4 muted teal bags, 3 shiny gold bags. +clear aqua bags contain 4 dim cyan bags, 3 dim plum bags, 5 dim violet bags, 1 plaid yellow bag. +clear tan bags contain 1 shiny brown bag. +faded lavender bags contain 3 faded white bags, 1 faded purple bag. +plaid maroon bags contain 5 plaid orange bags, 4 striped green bags, 2 striped gold bags, 5 bright bronze bags. +wavy lavender bags contain 5 dim black bags, 5 clear fuchsia bags. +plaid olive bags contain 3 dotted crimson bags, 2 pale plum bags, 3 bright orange bags, 1 clear coral bag. +shiny lavender bags contain 3 faded plum bags, 2 mirrored crimson bags, 5 striped orange bags, 5 bright magenta bags. +plaid chartreuse bags contain 5 clear silver bags, 5 pale crimson bags. +bright coral bags contain 4 vibrant orange bags. +wavy yellow bags contain 3 dull plum bags, 4 bright yellow bags, 5 mirrored violet bags, 3 plaid red bags. +dark chartreuse bags contain 4 striped bronze bags, 2 bright tan bags. +mirrored tomato bags contain 1 clear yellow bag, 1 dark lime bag, 2 mirrored silver bags. +plaid gray bags contain 4 muted cyan bags, 4 dark silver bags, 1 wavy orange bag, 4 muted tomato bags. +mirrored red bags contain 5 pale crimson bags, 5 light cyan bags, 1 posh yellow bag. +vibrant silver bags contain 2 dull brown bags, 1 vibrant orange bag, 5 striped red bags. +plaid purple bags contain 2 striped maroon bags, 1 faded olive bag. +dull silver bags contain 4 shiny lavender bags, 5 plaid fuchsia bags, 1 plaid plum bag, 2 light cyan bags. +dark plum bags contain 2 vibrant gold bags, 4 plaid brown bags, 1 drab teal bag, 4 dotted yellow bags. +mirrored teal bags contain 3 drab orange bags, 4 shiny fuchsia bags, 4 mirrored lavender bags, 1 clear brown bag. +light red bags contain 5 striped violet bags. +shiny aqua bags contain 4 wavy indigo bags, 3 posh olive bags, 2 clear gray bags, 2 dim tomato bags. +dull magenta bags contain 1 bright crimson bag, 1 bright bronze bag, 2 drab gold bags, 2 clear lavender bags. +muted gold bags contain 1 striped chartreuse bag, 3 posh olive bags. +dark brown bags contain 1 bright yellow bag. +dull brown bags contain 5 dark brown bags, 1 dim gold bag. +shiny chartreuse bags contain 1 shiny aqua bag, 5 faded chartreuse bags, 4 wavy beige bags. +vibrant maroon bags contain 1 dotted yellow bag, 2 striped green bags, 2 muted olive bags, 2 muted turquoise bags. +faded maroon bags contain 1 striped bronze bag, 5 dotted coral bags, 4 dim green bags, 1 faded plum bag. +wavy salmon bags contain 1 dim white bag, 4 clear purple bags, 5 dark fuchsia bags, 5 vibrant cyan bags. +light beige bags contain 3 dull lime bags, 1 plaid lavender bag. +plaid teal bags contain 2 muted black bags, 2 dull salmon bags, 5 faded red bags, 2 muted turquoise bags. +plaid cyan bags contain 5 faded maroon bags, 2 posh chartreuse bags. +dim chartreuse bags contain 5 muted red bags, 4 dark lime bags. +clear magenta bags contain 1 clear tomato bag, 1 striped orange bag, 3 striped chartreuse bags. +dotted blue bags contain 5 plaid green bags, 3 mirrored crimson bags, 4 dotted magenta bags, 3 clear bronze bags. +clear silver bags contain 4 vibrant lavender bags, 1 wavy turquoise bag, 2 posh purple bags, 5 dull blue bags. +posh beige bags contain 4 muted aqua bags, 3 wavy orange bags, 1 muted coral bag. +dim coral bags contain 1 clear purple bag, 2 plaid purple bags, 5 light gold bags. +faded white bags contain 2 striped orange bags, 3 posh silver bags, 4 shiny tan bags, 5 faded green bags. +pale aqua bags contain 5 shiny tan bags, 5 drab violet bags. +clear brown bags contain 5 shiny tomato bags. +faded tan bags contain 1 pale gray bag, 2 dull beige bags, 3 wavy teal bags, 1 bright maroon bag. +striped silver bags contain 3 shiny green bags. +vibrant brown bags contain 5 shiny aqua bags, 2 pale violet bags, 5 drab indigo bags. +dark yellow bags contain 1 wavy white bag, 3 posh violet bags, 4 bright magenta bags. +dull gray bags contain 3 dark silver bags, 3 mirrored green bags. +dark violet bags contain 2 dark maroon bags, 5 dull aqua bags. +muted brown bags contain 5 dim aqua bags, 3 dim teal bags, 4 faded olive bags, 1 plaid purple bag. +posh chartreuse bags contain 3 dark tan bags, 1 striped salmon bag, 2 dark lime bags, 5 vibrant beige bags. +mirrored maroon bags contain 1 dark red bag. +faded yellow bags contain 5 mirrored beige bags, 1 drab chartreuse bag, 3 vibrant lavender bags. +dotted aqua bags contain 4 vibrant lavender bags, 4 shiny fuchsia bags. +bright maroon bags contain 5 faded maroon bags, 2 dark lime bags, 4 dim beige bags. +dark salmon bags contain 5 clear tan bags. +wavy bronze bags contain 3 dark beige bags. +wavy crimson bags contain no other bags. +drab gold bags contain 2 faded violet bags, 4 faded silver bags. +dark black bags contain 3 wavy bronze bags, 2 dark aqua bags, 4 dotted beige bags. +striped lavender bags contain 2 wavy aqua bags. +vibrant red bags contain 1 plaid aqua bag. +shiny yellow bags contain 5 clear silver bags, 2 dull magenta bags, 5 clear turquoise bags. +dull chartreuse bags contain 5 light tan bags. +bright beige bags contain 2 dim tomato bags. +mirrored yellow bags contain 5 drab aqua bags, 5 mirrored silver bags, 3 dark lime bags. +striped beige bags contain 4 dim white bags. +muted orange bags contain 3 drab beige bags, 5 faded olive bags. +drab turquoise bags contain 1 light green bag, 1 drab tomato bag, 4 clear purple bags. +plaid salmon bags contain 3 posh gray bags, 1 dim beige bag, 1 plaid brown bag. +faded gray bags contain 3 plaid fuchsia bags, 5 plaid magenta bags, 5 plaid white bags, 1 dull beige bag. +posh aqua bags contain 2 mirrored turquoise bags. +mirrored crimson bags contain no other bags. +vibrant magenta bags contain 1 dull purple bag, 4 shiny red bags, 5 drab chartreuse bags, 4 bright red bags. +striped yellow bags contain 1 shiny tan bag. +vibrant orange bags contain 4 plaid silver bags, 5 dim teal bags, 1 striped maroon bag, 3 plaid red bags. +dark indigo bags contain 3 drab purple bags. +shiny gray bags contain 1 wavy yellow bag. +faded plum bags contain no other bags. +dim blue bags contain 2 dotted crimson bags, 5 muted chartreuse bags, 3 dark silver bags, 4 vibrant lime bags. +muted white bags contain 4 muted teal bags, 3 posh purple bags, 1 dull lavender bag, 5 pale crimson bags. +muted lime bags contain 1 shiny turquoise bag, 2 faded indigo bags, 2 vibrant silver bags, 1 pale turquoise bag. +posh coral bags contain 5 faded violet bags. +dotted fuchsia bags contain 1 clear tan bag, 1 striped lavender bag. +wavy brown bags contain 2 dim aqua bags. +posh brown bags contain 1 shiny cyan bag, 5 plaid orange bags, 3 light coral bags. +drab purple bags contain 5 faded orange bags. +muted tan bags contain 2 wavy teal bags, 3 dim salmon bags, 1 bright gold bag, 3 clear gray bags. +dim yellow bags contain 1 vibrant gray bag, 4 vibrant lavender bags, 1 muted magenta bag. +pale salmon bags contain 2 vibrant beige bags, 3 bright maroon bags. +faded turquoise bags contain 4 plaid purple bags, 2 light tomato bags, 3 light salmon bags. +clear teal bags contain 4 muted yellow bags, 3 dim beige bags, 5 faded tomato bags, 1 dim red bag. +vibrant olive bags contain 3 muted lime bags, 5 shiny blue bags, 3 light gold bags, 3 dark olive bags. +dim beige bags contain 1 light cyan bag, 3 faded plum bags. +dull black bags contain 2 striped black bags, 5 wavy brown bags, 1 bright red bag, 1 drab teal bag. +pale turquoise bags contain 5 vibrant violet bags, 3 dotted fuchsia bags, 2 striped blue bags, 4 posh purple bags. +wavy red bags contain 3 drab teal bags. +faded gold bags contain 5 dull lavender bags. +faded black bags contain 5 wavy turquoise bags, 5 mirrored crimson bags. +bright orange bags contain 2 striped maroon bags, 4 light cyan bags, 5 light silver bags, 5 wavy indigo bags. +drab teal bags contain 4 wavy aqua bags, 5 light bronze bags, 1 drab red bag. +dull salmon bags contain 4 dull orange bags. +bright lavender bags contain 2 plaid silver bags, 3 bright crimson bags. +drab cyan bags contain 2 bright bronze bags, 5 bright crimson bags, 2 wavy yellow bags. +dull plum bags contain 3 shiny lavender bags, 2 bright magenta bags, 2 mirrored crimson bags, 4 mirrored silver bags. +dotted teal bags contain 3 muted yellow bags, 3 dotted turquoise bags, 5 mirrored white bags. +vibrant turquoise bags contain 5 clear magenta bags, 5 dark beige bags, 2 vibrant tan bags, 3 plaid blue bags. +pale crimson bags contain 2 bright turquoise bags, 4 dark lime bags. +pale plum bags contain 1 shiny chartreuse bag, 3 vibrant gold bags, 5 plaid violet bags, 5 dim salmon bags. +mirrored lime bags contain 2 plaid green bags. +pale lavender bags contain 5 dotted gold bags, 1 striped maroon bag, 3 shiny tan bags, 5 drab white bags. +muted olive bags contain 3 drab crimson bags, 2 dotted gray bags, 5 dotted tomato bags, 3 posh bronze bags. +drab brown bags contain 3 dull orange bags, 4 posh gold bags, 2 pale crimson bags, 1 plaid white bag. +bright tan bags contain 1 dark white bag, 5 bright turquoise bags. +faded indigo bags contain 3 pale yellow bags, 2 mirrored brown bags, 1 shiny gray bag, 5 bright turquoise bags. +dark aqua bags contain 1 posh gray bag, 4 striped coral bags, 2 posh olive bags, 2 bright white bags. +light tan bags contain 2 faded purple bags, 5 muted fuchsia bags. +dark magenta bags contain 4 posh silver bags, 5 pale plum bags, 5 muted violet bags, 2 faded green bags. +clear maroon bags contain 3 muted maroon bags, 1 clear olive bag, 2 faded black bags. +posh purple bags contain 4 faded orange bags, 4 shiny salmon bags. +bright gold bags contain 1 dull crimson bag, 1 shiny lavender bag. +dull purple bags contain 3 clear silver bags, 1 drab aqua bag, 3 wavy beige bags. +muted cyan bags contain 1 plaid green bag. +vibrant yellow bags contain 3 faded plum bags, 4 vibrant lavender bags, 2 muted magenta bags. +vibrant green bags contain 5 dim chartreuse bags, 2 posh lavender bags. +plaid bronze bags contain 4 dim tomato bags, 3 shiny silver bags. +striped blue bags contain 5 vibrant gold bags. +plaid coral bags contain 4 faded purple bags, 3 drab turquoise bags, 1 light teal bag, 2 posh indigo bags. +posh turquoise bags contain 5 posh cyan bags, 5 mirrored violet bags. +faded crimson bags contain 2 plaid salmon bags, 1 striped magenta bag, 1 striped maroon bag. +striped purple bags contain 1 drab violet bag, 2 pale maroon bags, 2 drab beige bags, 4 faded maroon bags. +clear orange bags contain 5 dotted red bags, 4 mirrored red bags. +striped fuchsia bags contain 2 bright tomato bags, 4 dull magenta bags. +wavy purple bags contain 5 wavy olive bags, 3 shiny silver bags. +dotted crimson bags contain 1 striped teal bag, 5 shiny tomato bags. +dull lavender bags contain 1 dotted tomato bag, 3 wavy indigo bags, 1 faded silver bag. +dotted magenta bags contain 3 dotted coral bags. +drab silver bags contain 5 dark indigo bags, 4 bright bronze bags, 1 dim lime bag, 3 bright aqua bags. +clear cyan bags contain 1 bright maroon bag. +shiny beige bags contain 2 plaid beige bags, 2 striped magenta bags, 4 drab yellow bags, 4 muted yellow bags. +dim turquoise bags contain 2 dull tan bags. +drab coral bags contain 4 striped bronze bags, 3 dull orange bags, 5 plaid silver bags. +light lavender bags contain 1 wavy plum bag, 4 posh purple bags. +posh yellow bags contain 3 dark lime bags, 3 light cyan bags, 4 dull crimson bags. +posh violet bags contain 2 faded chartreuse bags. +shiny teal bags contain 5 mirrored salmon bags, 1 wavy plum bag, 3 posh purple bags, 2 posh cyan bags. +vibrant lime bags contain 1 dotted tomato bag, 1 drab fuchsia bag, 1 mirrored brown bag. +dark fuchsia bags contain 1 vibrant blue bag. +bright green bags contain 4 dark purple bags, 4 bright tan bags, 5 drab turquoise bags. +dull coral bags contain 2 dotted tomato bags. +posh white bags contain 3 dull bronze bags, 1 faded salmon bag, 3 pale tomato bags, 3 vibrant salmon bags. +plaid black bags contain 4 vibrant aqua bags, 2 shiny teal bags. +posh lavender bags contain 4 wavy beige bags, 1 dim silver bag, 2 faded white bags. +posh orange bags contain 4 dim orange bags, 3 faded chartreuse bags. +plaid brown bags contain 5 shiny fuchsia bags, 5 striped magenta bags, 2 wavy coral bags, 1 vibrant beige bag. +shiny plum bags contain 3 light green bags, 4 bright orange bags. +dim aqua bags contain 4 faded gold bags, 1 dotted lavender bag, 3 light gold bags, 4 shiny aqua bags. +wavy gold bags contain 4 clear violet bags, 5 dim red bags, 5 drab crimson bags, 2 dull coral bags. +vibrant tomato bags contain 3 faded olive bags. +bright silver bags contain 2 dull lavender bags, 4 faded aqua bags, 4 dim coral bags. +wavy turquoise bags contain 4 dull lavender bags, 1 drab aqua bag. +wavy aqua bags contain 3 wavy yellow bags. +light indigo bags contain 5 dim beige bags, 3 drab fuchsia bags, 1 plaid violet bag, 5 bright yellow bags. +striped red bags contain 3 bright violet bags, 5 dark indigo bags, 5 dim silver bags. +posh lime bags contain 5 striped teal bags, 3 dark brown bags, 4 bright crimson bags, 2 posh violet bags. +faded magenta bags contain 5 light gold bags, 1 posh indigo bag, 3 plaid lime bags. +vibrant lavender bags contain 5 faded maroon bags, 3 striped orange bags, 3 dull crimson bags. +clear purple bags contain 5 dark green bags, 3 light cyan bags, 3 clear white bags, 4 pale silver bags. +muted purple bags contain 5 drab fuchsia bags, 1 vibrant salmon bag, 5 bright yellow bags. +bright lime bags contain 5 vibrant violet bags, 5 wavy maroon bags. +bright black bags contain 5 dark silver bags, 2 vibrant green bags. +muted magenta bags contain no other bags. +striped tomato bags contain 4 shiny gold bags. +pale black bags contain 3 dull brown bags, 2 wavy coral bags, 2 posh purple bags, 4 faded beige bags. +dim red bags contain 1 dotted tomato bag, 2 wavy beige bags. +light black bags contain 4 dull maroon bags, 3 dotted aqua bags, 3 drab purple bags. +shiny turquoise bags contain 3 dull blue bags, 4 posh bronze bags. +pale indigo bags contain 4 dotted tomato bags. +shiny white bags contain 5 vibrant tomato bags, 4 dotted magenta bags, 3 dull aqua bags. +dark lavender bags contain 4 faded orange bags. +shiny brown bags contain 3 bright orange bags, 2 dotted crimson bags, 2 wavy aqua bags. +light chartreuse bags contain 1 muted lavender bag. +faded aqua bags contain 4 dull green bags, 4 faded violet bags, 4 clear gray bags. +light olive bags contain 4 shiny purple bags, 3 shiny plum bags. +wavy indigo bags contain 3 dim green bags, 5 shiny lavender bags, 3 posh olive bags, 1 dull crimson bag. +dull tomato bags contain 3 light coral bags, 2 light cyan bags, 3 plaid silver bags. +clear turquoise bags contain 1 wavy crimson bag, 4 dim tomato bags. +dim tomato bags contain 5 shiny lavender bags, 2 dim gold bags. +wavy black bags contain 4 wavy chartreuse bags, 4 dull coral bags. +dotted maroon bags contain 5 pale violet bags, 5 vibrant aqua bags, 5 plaid cyan bags. +clear lavender bags contain 2 dotted turquoise bags, 4 light purple bags, 1 plaid plum bag. +dotted cyan bags contain 2 dotted turquoise bags, 4 plaid gold bags, 5 drab red bags, 5 faded orange bags. +muted violet bags contain 3 light teal bags, 2 striped gold bags. +wavy silver bags contain 2 dim coral bags, 1 shiny chartreuse bag, 4 shiny turquoise bags. +drab crimson bags contain 2 drab beige bags. +dull aqua bags contain 4 striped maroon bags, 5 vibrant beige bags, 3 faded gold bags, 3 dark lime bags. +vibrant coral bags contain 4 faded gold bags, 2 dotted black bags, 5 drab tomato bags. +pale beige bags contain 1 dotted coral bag. +dim olive bags contain 5 clear gray bags, 2 muted violet bags, 3 clear gold bags, 4 shiny red bags. +dim cyan bags contain 4 plaid silver bags. +muted bronze bags contain 4 wavy yellow bags, 1 vibrant yellow bag, 5 dim tomato bags, 2 mirrored silver bags. +dim gold bags contain 2 dim green bags, 4 shiny tomato bags, 4 striped white bags, 4 mirrored crimson bags. +vibrant gray bags contain 4 dotted turquoise bags, 4 posh violet bags. +plaid orange bags contain 2 dotted turquoise bags. +posh magenta bags contain 4 dotted lime bags. +light silver bags contain 5 shiny gold bags, 3 dull tan bags. +bright plum bags contain 5 pale magenta bags, 5 dull aqua bags. +drab red bags contain 1 dim gold bag. +striped salmon bags contain 1 vibrant lavender bag, 3 wavy crimson bags, 5 posh olive bags. +dotted purple bags contain 3 dull lavender bags. +bright violet bags contain 2 dotted indigo bags, 4 shiny violet bags. +muted red bags contain 2 mirrored silver bags. +dotted green bags contain 5 muted plum bags. +clear lime bags contain no other bags. +wavy gray bags contain 1 posh cyan bag, 5 dim bronze bags, 5 posh lime bags, 4 drab silver bags. +dotted brown bags contain 4 striped tomato bags. +plaid indigo bags contain 1 plaid purple bag, 3 dark turquoise bags, 3 light purple bags, 5 dotted cyan bags. +mirrored olive bags contain 5 bright gold bags, 3 dotted gold bags, 4 drab gray bags, 4 drab tomato bags. +wavy green bags contain 3 mirrored indigo bags, 4 wavy chartreuse bags, 2 clear cyan bags, 5 bright violet bags. +light gray bags contain 4 vibrant yellow bags, 2 dull blue bags. +posh plum bags contain 3 wavy yellow bags, 5 dim yellow bags, 2 clear chartreuse bags. +posh bronze bags contain 2 clear lime bags. +bright indigo bags contain 4 muted salmon bags, 2 posh violet bags. +mirrored violet bags contain 1 faded plum bag, 3 dull orange bags. +muted silver bags contain 3 mirrored indigo bags, 4 shiny fuchsia bags. +striped coral bags contain 2 posh turquoise bags. +plaid tomato bags contain 1 wavy beige bag, 5 muted green bags. +dark gold bags contain 1 clear gold bag, 2 light maroon bags, 3 pale teal bags. +light green bags contain 1 dull aqua bag, 4 dotted magenta bags, 4 dull purple bags. +plaid lime bags contain 1 faded fuchsia bag. +muted beige bags contain 1 dotted coral bag, 1 plaid fuchsia bag, 2 posh bronze bags. +pale red bags contain 2 wavy gold bags, 1 striped lavender bag. +striped lime bags contain 1 wavy turquoise bag, 4 dim aqua bags. +muted black bags contain 3 dotted black bags. +faded brown bags contain 1 dim turquoise bag, 2 plaid brown bags. +plaid blue bags contain 2 muted salmon bags. +muted indigo bags contain 2 dull fuchsia bags, 2 dull lime bags. +dark coral bags contain 2 faded indigo bags, 3 shiny tomato bags, 2 mirrored salmon bags. +vibrant beige bags contain 4 vibrant lavender bags. +mirrored bronze bags contain 1 mirrored orange bag, 5 plaid red bags, 1 mirrored cyan bag. +shiny red bags contain 1 bright yellow bag. +light crimson bags contain 5 plaid crimson bags, 3 pale white bags, 3 drab fuchsia bags, 3 muted olive bags. +drab blue bags contain 1 mirrored black bag, 3 striped fuchsia bags, 3 drab tan bags. +striped violet bags contain 2 muted gray bags, 5 faded white bags, 5 striped black bags, 3 mirrored tomato bags. +wavy maroon bags contain 2 light cyan bags, 3 muted teal bags, 2 vibrant lavender bags. +pale brown bags contain 2 wavy black bags. +bright aqua bags contain 3 plaid tan bags. +muted plum bags contain 5 light bronze bags, 1 dotted beige bag, 3 vibrant cyan bags. +posh green bags contain 4 faded lime bags, 1 dull coral bag, 4 mirrored silver bags. +dark beige bags contain 3 wavy yellow bags, 5 dim salmon bags. +light fuchsia bags contain 4 plaid coral bags. +shiny tan bags contain 2 drab tan bags, 4 clear gray bags, 2 mirrored crimson bags, 1 vibrant beige bag. +clear crimson bags contain 3 vibrant aqua bags, 4 dotted indigo bags. +clear beige bags contain 4 posh olive bags, 4 bright lime bags, 3 dark green bags. +dim gray bags contain 1 drab beige bag, 3 clear tomato bags, 2 mirrored fuchsia bags. +light violet bags contain 3 plaid purple bags. +faded silver bags contain 5 striped bronze bags, 4 dotted lavender bags. +dotted white bags contain 5 drab green bags. +shiny purple bags contain 3 posh turquoise bags, 2 dark brown bags. +posh blue bags contain 2 vibrant chartreuse bags, 2 muted olive bags, 4 dull brown bags, 5 wavy magenta bags. +striped cyan bags contain 1 pale plum bag, 3 dim maroon bags, 5 light salmon bags, 3 dim crimson bags. +shiny tomato bags contain no other bags. +plaid aqua bags contain 4 clear maroon bags, 4 plaid white bags, 2 posh chartreuse bags. +pale magenta bags contain 5 muted teal bags, 1 vibrant lavender bag. +dim plum bags contain 4 drab coral bags. +drab beige bags contain 4 wavy crimson bags, 1 dull tan bag, 3 dotted tomato bags. +wavy coral bags contain 1 mirrored yellow bag, 1 dull tan bag, 5 drab gold bags, 2 muted bronze bags. +drab violet bags contain 4 faded maroon bags, 2 posh gold bags, 3 wavy maroon bags, 3 bright lime bags. +light aqua bags contain 5 light bronze bags, 1 light tan bag, 1 dull beige bag. +light orange bags contain 1 dark tan bag, 3 dim white bags, 3 plaid plum bags. +pale chartreuse bags contain 3 pale violet bags, 1 drab fuchsia bag, 1 shiny indigo bag, 2 dull turquoise bags. +faded chartreuse bags contain 4 vibrant lime bags, 3 drab tomato bags, 1 vibrant violet bag, 1 vibrant tomato bag. +clear chartreuse bags contain 2 dotted plum bags, 1 muted brown bag, 2 wavy chartreuse bags, 4 faded green bags. +dotted silver bags contain 3 mirrored yellow bags. +dotted violet bags contain 4 muted turquoise bags, 4 light black bags. +wavy orange bags contain 3 shiny fuchsia bags, 4 clear beige bags. +dark red bags contain 1 faded salmon bag, 3 muted purple bags. +dim bronze bags contain 2 clear turquoise bags. +light turquoise bags contain 5 dark red bags. +muted green bags contain 5 bright turquoise bags, 2 wavy coral bags, 3 faded chartreuse bags. +vibrant violet bags contain 3 wavy indigo bags, 1 dotted gray bag, 4 vibrant beige bags. +dull cyan bags contain 3 light maroon bags, 2 posh plum bags. +muted aqua bags contain 2 dotted beige bags, 2 faded yellow bags, 3 plaid gray bags, 3 bright chartreuse bags. +dark tomato bags contain 2 striped purple bags, 2 dark maroon bags, 2 dim silver bags. +vibrant blue bags contain 4 dull orange bags. +faded violet bags contain 2 vibrant lavender bags, 5 plaid plum bags, 4 bright magenta bags, 4 faded silver bags. +bright salmon bags contain 1 dull crimson bag, 2 light maroon bags. +vibrant aqua bags contain 4 dotted aqua bags, 3 vibrant gray bags, 3 dotted lavender bags. +striped plum bags contain 2 mirrored lime bags, 2 dark salmon bags. +plaid gold bags contain 4 dark lime bags, 3 drab aqua bags, 3 dim white bags, 2 mirrored brown bags.
\ No newline at end of file diff --git a/2020/07/puzzle-1.py b/2020/07/puzzle-1.py new file mode 100755 index 0000000..da054b8 --- /dev/null +++ b/2020/07/puzzle-1.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python3 + + +bdict: dict[str, list[str]] = {} + +# Recursively check if a bag can hold a shiny gold bag +def holds_bag(innerbags: list[str]) -> bool: + if "no other" in innerbags: + return False + elif "shiny gold" in innerbags: + return True + + for subbag in innerbags: + if holds_bag(bdict[subbag]): + return True + + +def main() -> None: + global bdict + with open("input", "r") as f: + lines = f.readlines() + + for baginfo in lines: + data = baginfo.split(" bags contain") + + # { bag_name: [contained_bag_1, containted_bag_2, ...] } + bdict[data[0]] = [" ".join(b.split(" ")[-3:][:2]) for b in data[1].split(",")] + + count = 0 + for bag in bdict: + if holds_bag(bdict[bag]): + count += 1 + + print(count) + + +if __name__ == "__main__": + main() diff --git a/2020/07/puzzle-2.py b/2020/07/puzzle-2.py new file mode 100755 index 0000000..c87ea13 --- /dev/null +++ b/2020/07/puzzle-2.py @@ -0,0 +1,35 @@ +#!/usr/bin/env python3 + + +bdict: dict[str, list[str]] = {} + +# Recursively find the number of sub-bags in a bag +def total_bags(innerbags: list[dict[int, str]]) -> int: + if innerbags[0]["name"] == "no other": + return 0 + + return sum([bag["count"] + bag["count"] * total_bags(bdict[bag["name"]]) for bag in innerbags]) + + +def main() -> None: + with open("input", "r") as f: + lines = f.readlines() + + for baginfo in lines: + data = baginfo.split(" bags contain") + + # { bag_name: [{ count: n, name: bag_name_ }, ...] } + bdict[data[0]] = [] + for b in data[1].split(","): + bdict[data[0]].append( + { + "count": int(b.replace("no", "0").split(" ")[1]), + "name": " ".join(b.split(" ")[-3:][:2]), + } + ) + + print(total_bags(bdict["shiny gold"])) + + +if __name__ == "__main__": + main() diff --git a/2020/08/.gitignore b/2020/08/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/08/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/08/Makefile b/2020/08/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/08/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/08/input b/2020/08/input new file mode 100644 index 0000000..49eb92d --- /dev/null +++ b/2020/08/input @@ -0,0 +1,653 @@ +acc +9 +acc -2 +acc -12 +acc +33 +jmp +301 +nop +508 +jmp +216 +acc +27 +acc +35 +acc +43 +acc +31 +jmp +309 +acc +18 +acc -19 +acc +7 +jmp +44 +acc -13 +acc -17 +acc +31 +jmp +311 +nop +612 +jmp +143 +acc +22 +nop +85 +jmp +458 +acc -3 +jmp +13 +acc -19 +acc +27 +acc +12 +jmp +483 +acc +40 +acc +6 +jmp +128 +jmp +10 +acc +0 +acc -3 +acc -2 +jmp -11 +acc +43 +acc -12 +jmp +158 +acc +0 +jmp +240 +jmp +1 +acc +5 +acc +15 +jmp +187 +nop +563 +jmp +51 +acc -16 +jmp +158 +jmp +322 +acc +47 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\ No newline at end of file diff --git a/2020/08/puzzles.c b/2020/08/puzzles.c new file mode 100644 index 0000000..cfa9389 --- /dev/null +++ b/2020/08/puzzles.c @@ -0,0 +1,112 @@ +#include <err.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#define LINECOUNT 653 + +struct Inst { + char opp; + int val; +}; + +/* Check if the given instruction has been executed already */ +static bool +repeati(int const * const lines, int const rip) +{ + for (int i = 0; i < LINECOUNT; i++) { + if (lines[i] == rip) + return true; + } + return false; +} + +static int +run_circuit(struct Inst *circuit) +{ + int i, acc, rip; + int lines[LINECOUNT] = {0}; + + i = acc = rip = 0; + + /* Execute the circuit */ + do { + lines[i++] = rip; + switch (circuit[rip].opp) { + case 'j': + rip += circuit[rip].val; + if (rip >= LINECOUNT) + return acc; + break; + case 'a': + acc += circuit[rip].val; + /* FALLTHROUGH */ + case 'n': + rip++; + break; + } + } while (!repeati(lines, rip)); + +#ifdef PART2 + return -1; +#else + return acc; +#endif +} + +int +main(void) +{ + int i = 0; + char cl[10]; + FILE *fp; + struct Inst circuit[LINECOUNT]; + + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + /* Load the entire circuit */ + while (fgets(cl, sizeof(cl), fp)) { + char *val; + /* struct Inst operation; */ + + val = strtok(cl, " "); + circuit[i++] = (struct Inst) { + .opp = cl[0], + .val = atoi(strtok(NULL, " ")) + }; + } + fclose(fp); + + int result = -1; +#ifdef PART2 + int count, prev_count; + count = prev_count = 1; + + /* Run circuit until it completes successfully */ + while (result == -1 && count < LINECOUNT) { + for (i = 0; i < LINECOUNT; i++) { + if (circuit[i].opp == 'j' || circuit[i].opp == 'n') + count--; + + /* Swap jmp and nop */ + if (!count) { + circuit[i].opp = (circuit[i].opp == 'j') ? 'n' : 'j'; + break; + } + } + + count = ++prev_count; + result = run_circuit(circuit); + + /* Return to original array */ + circuit[i].opp = (circuit[i].opp == 'j') ? 'n' : 'j'; + } +#else + result = run_circuit(circuit); +#endif + + printf("%d\n", result); + return EXIT_SUCCESS; +} diff --git a/2020/09/input b/2020/09/input new file mode 100644 index 0000000..b6fbe43 --- /dev/null +++ b/2020/09/input @@ -0,0 +1,1000 @@ +42 +27 +23 +19 +4 +26 +31 +29 +11 +49 +38 +9 +45 +1 +40 +46 +39 +28 +44 +16 +13 +5 +32 +17 +50 +12 +20 +6 +7 +10 +22 +14 +18 +60 +59 +8 +19 +9 +11 +15 +21 +23 +39 +24 +25 +16 +26 +13 +29 +17 +27 +28 +20 +35 +30 +31 +22 +32 +44 +33 +38 +47 +34 +36 +37 +41 +55 +64 +40 +42 +43 +46 +39 +45 +61 +48 +50 +52 +65 +62 +53 +67 +72 +69 +70 +74 +73 +98 +86 +76 +79 +81 +108 +84 +82 +91 +160 +153 +93 +253 +100 +102 +105 +115 +175 +166 +151 +149 +142 +218 +147 +152 +162 +155 +161 +163 +165 +173 +255 +184 +191 +193 +293 +195 +357 +252 +295 +220 +257 +404 +289 +291 +322 +294 +314 +415 +343 +316 +318 +324 +328 +512 +364 +517 +379 +384 +511 +636 +615 +574 +472 +477 +509 +644 +1021 +605 +585 +608 +610 +800 +634 +640 +1122 +642 +1255 +692 +841 +893 +981 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\ No newline at end of file diff --git a/2020/09/puzzle-1.py b/2020/09/puzzle-1.py new file mode 100755 index 0000000..f68fc21 --- /dev/null +++ b/2020/09/puzzle-1.py @@ -0,0 +1,28 @@ +#!/usr/bin/env python3 +from typing import List + + +def is_valid(nums: List[int], lp: int, up: int) -> bool: + for i in range(lp, up): + x = nums[up] - nums[i] + if x in nums[lp:up] and x != nums[i]: + return True + return False + + +def main() -> None: + with open("input", "r") as f: + nums = list(map(int, f.readlines())) + + lp = 0 + up = 25 + + while is_valid(nums, lp, up): + lp += 1 + up += 1 + + print(nums[up]) + + +if __name__ == "__main__": + main() diff --git a/2020/09/puzzle-2.py b/2020/09/puzzle-2.py new file mode 100755 index 0000000..8833f50 --- /dev/null +++ b/2020/09/puzzle-2.py @@ -0,0 +1,25 @@ +#!/usr/bin/env python3 +import numpy as np + + +def main() -> None: + goal = 138879426 + with open("input", "r") as f: + nums = np.array(list(map(int, f.readlines())), dtype=int) + + lp = 0 + up = 1 + + while (x := sum(nums[lp : up + 1])) != goal: + if x > goal: + up -= 1 + lp += 1 + elif x < goal: + up += 1 + + sorted = np.sort(nums[lp : up + 1]) + print(sorted[0] + sorted[-1]) + + +if __name__ == "__main__": + main() diff --git a/2020/10/input b/2020/10/input new file mode 100644 index 0000000..379b145 --- /dev/null +++ b/2020/10/input @@ -0,0 +1,108 @@ +147 +174 +118 +103 +67 +33 +96 +28 +43 +22 +16 +138 +75 +148 +35 +6 +10 +169 +129 +115 +21 +52 +58 +79 +46 +7 +139 +104 +91 +51 +172 +57 +49 +126 +95 +149 +125 +123 +112 +30 +78 +44 +37 +167 +157 +29 +173 +98 +36 +63 +111 +160 +18 +8 +9 +159 +179 +72 +110 +2 +53 +150 +17 +81 +97 +108 +102 +56 +135 +166 +168 +163 +1 +25 +3 +158 +101 +132 +144 +45 +140 +34 +156 +178 +105 +68 +153 +80 +82 +59 +50 +122 +69 +85 +109 +40 +124 +119 +94 +88 +13 +180 +177 +133 +66 +134 +60 +141 diff --git a/2020/10/puzzle-1.sh b/2020/10/puzzle-1.sh new file mode 100755 index 0000000..f31af02 --- /dev/null +++ b/2020/10/puzzle-1.sh @@ -0,0 +1,7 @@ +#!/usr/bin/env sh + +sort -n input | awk ' +BEGIN { o = t = 1 } +NR > 1 { if ($0 - prev == 1) o++; else if ($0 - prev == 3) t++; } + { prev = $0 } +END { print o * t }' diff --git a/2020/10/puzzle-2.py b/2020/10/puzzle-2.py new file mode 100755 index 0000000..bdf7bbf --- /dev/null +++ b/2020/10/puzzle-2.py @@ -0,0 +1,36 @@ +#!/usr/bin/env python3 + +from typing import List + +adaptors: list[str] + + +def combos(i: int, counts: dict[int, dict[int, int]] = {}) -> int: + if i == len(adaptors) - 1: + return 1 + if i in counts: + return counts[i] + + ans = 0 + for j in range(i + 1, len(adaptors)): + if adaptors[j] - adaptors[i] <= 3: + ans += combos(j, counts) + + counts[i] = ans + return ans + + +def main() -> None: + global adaptors + with open("input", "r") as f: + adaptors = list(map(int, f.readlines())) + + adaptors.append(0) + adaptors.sort() + adaptors.append(max(adaptors) + 3) + + print(combos(0)) + + +if __name__ == "__main__": + main() diff --git a/2020/11/.gitignore b/2020/11/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/11/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/11/Makefile b/2020/11/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/11/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/11/input b/2020/11/input new file mode 100644 index 0000000..a586f62 --- /dev/null +++ b/2020/11/input @@ -0,0 +1,98 @@ +LLLLLL.LLLLLLLLLLLL.LLLLLL.LLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLL +LLLLLL.LLLLLLLLLLLL.LLLLLLL.LLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LL +LLLLLLLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.L.LLLLLL.LL.LLLLLL +LLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLL.LLLLLLLLLL.LLLL.LLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLL 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\ No newline at end of file diff --git a/2020/11/puzzles.c b/2020/11/puzzles.c new file mode 100644 index 0000000..7c579b9 --- /dev/null +++ b/2020/11/puzzles.c @@ -0,0 +1,158 @@ +#include <err.h> +#include <stdbool.h> +#include <stdlib.h> +#include <stdio.h> + +#define ROWCNT 98 +#define ROWLEN 98 + +#ifdef PART2 + #define IS_SEAT(a, b) \ + if (rows[a][b] == '.') \ + continue + #define IS_OCC(a, b) \ + if (rows[a][b] == '#') \ + adjecent++ +#endif + +bool changed; +char rows[ROWCNT][ROWLEN + 1]; +char temp[ROWCNT][ROWLEN + 1]; + +/* Check and update a seat at the given index */ +static void +check_seat(int const i, int const j) +{ + if (rows[i][j] == '.') + return; + + int adjecent = 0; + +#ifdef PART2 + /* Up */ + for (int h = i - 1; h >= 0; h--) { + IS_SEAT(h, j); + IS_OCC(h, j); + break; + } + /* Down */ + for (int h = i + 1; h < ROWCNT; h++) { + IS_SEAT(h, j); + IS_OCC(h, j); + break; + } + /* Left */ + for (int h = j - 1; h >= 0; h--) { + IS_SEAT(i, h); + IS_OCC(i, h); + break; + } + /* Right */ + for (int h = j + 1; h < ROWLEN; h++) { + IS_SEAT(i, h); + IS_OCC(i, h); + break; + } + /* Up-Left */ + for (int h = i - 1, k = j - 1; h >= 0 && k >= 0; h--, k--) { + IS_SEAT(h, k); + IS_OCC(h, k); + break; + } + /* Up-Right */ + for (int h = i - 1, k = j + 1; h >= 0 && k < ROWLEN; h--, k++) { + IS_SEAT(h, k); + IS_OCC(h, k); + break; + } + /* Down-Left */ + for (int h = i + 1, k = j - 1; h < ROWCNT && k >= 0; h++, k--) { + IS_SEAT(h, k); + IS_OCC(h, k); + break; + } + /* Down-Right */ + for (int h = i + 1, k = j + 1; h < ROWCNT && k < ROWLEN; h++, k++) { + IS_SEAT(h, k); + IS_OCC(h, k); + break; + } +#else + for (int h = i - 1; h <= i + 1; h++) { + if (h < 0 || h > ROWCNT - 1) + continue; + for (int k = j - 1; k <= j + 1; k++) { + if (k < 0 || k > ROWCNT - 1 || (h == i && k == j)) + continue; + if (rows[h][k] == '#') + adjecent++; + } + } +#endif + /* Edit seats as needed */ + if (rows[i][j] == 'L' && adjecent == 0) { + temp[i][j] = '#'; + changed = true; +#ifdef PART2 + } else if (rows[i][j] == '#' && adjecent >= 5) { +#else + } else if (rows[i][j] == '#' && adjecent >= 4) { +#endif + temp[i][j] = 'L'; + changed = true; + } else + temp[i][j] = rows[i][j]; +} + +int +main(void) +{ + /* Initialize the temp array to be all floor */ + int i, j; + for (i = 0; i < ROWCNT; i++) { + for (j = 0; j < ROWLEN; j++) + temp[i][j] = '.'; + } + + FILE *fp; + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + /* Read in seats */ + i = j = 0; + char c; + while ((c = fgetc(fp)) != EOF) { + if (c == '\n') { + i = 0; + j++; + } else + rows[j][i++] = c; + } + fclose(fp); + + /* Update the seats until they don't change anymore */ + do { + changed = false; + for (i = 0; i < ROWCNT; i++) { + for (j = 0; j < ROWLEN; j++) + check_seat(i, j); + } + + for (i = 0; i < ROWCNT; i++) { + for (j = 0; j < ROWLEN; j++) + rows[i][j] = temp[i][j]; + } + } while (changed); + + /* Calculate filled seats */ + int count = 0; + for (i = 0; i < ROWCNT; i++) { + for (j = 0; j < ROWLEN; j++) { + if (rows[i][j] == '#') + count++; + } + } + + printf("%d\n", count); + return EXIT_SUCCESS; +} diff --git a/2020/12/.gitignore b/2020/12/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/12/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/12/Makefile b/2020/12/Makefile new file mode 100644 index 0000000..cf466dc --- /dev/null +++ b/2020/12/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzle-1.c + ${CC} ${CFLAGS} -o puzzle-2 puzzle-2.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/12/input b/2020/12/input new file mode 100644 index 0000000..5e5e7be --- /dev/null +++ b/2020/12/input @@ -0,0 +1,778 @@ +R90 +N2 +N2 +F94 +R90 +E3 +F2 +L90 +L90 +F66 +S5 +L90 +W3 +R90 +N3 +W2 +N2 +W1 +R90 +E3 +F100 +S4 +F66 +R180 +F96 +R90 +N2 +R90 +E2 +S3 +E1 +F65 +W4 +F6 +L180 +W2 +L90 +F95 +L90 +F97 +E2 +F36 +E2 +R90 +E4 +F98 +N4 +F70 +S1 +R270 +E1 +F13 +R90 +W1 +L90 +F82 +S2 +R90 +N2 +F80 +N1 +R90 +F26 +W4 +F23 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\ No newline at end of file diff --git a/2020/12/puzzle-1.c b/2020/12/puzzle-1.c new file mode 100644 index 0000000..1a4c7ab --- /dev/null +++ b/2020/12/puzzle-1.c @@ -0,0 +1,73 @@ +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int +main(void) +{ + FILE *fp; + char cl[5]; + int north, east; + int direction = 0; + + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + north = east = 0; + while (fgets(cl, sizeof(cl), fp) != NULL) { + switch (cl[0]) { + case 'N': + north += atoi(&cl[1]); + break; + case 'E': + east += atoi(&cl[1]); + break; + case 'S': + north -= atoi(&cl[1]); + break; + case 'W': + east -= atoi(&cl[1]); + break; + case 'L': + direction -= atoi(&cl[1]); + goto wrap; + case 'R': + direction += atoi(&cl[1]); + +wrap: + /* 0 <= direction < 360 */ + if (direction >= 360) + direction -= 360; + else if (direction < 0) + direction += 360; + break; + case 'F': + switch (direction) { + case 0: + east += atoi(&cl[1]); + break; + case 90: + north -= atoi(&cl[1]); + break; + case 180: + east -= atoi(&cl[1]); + break; + case 270: + north += atoi(&cl[1]); + break; + } + break; + } + } + fclose(fp); + + /* Absolute value */ + if (north < 0) + north = -north; + if (east < 0) + east = -east; + + printf("%d\n", north + east); + return EXIT_SUCCESS; +} diff --git a/2020/12/puzzle-2.c b/2020/12/puzzle-2.c new file mode 100644 index 0000000..8ac34b4 --- /dev/null +++ b/2020/12/puzzle-2.c @@ -0,0 +1,79 @@ +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +struct coords { + int north; + int east; +}; + +int +main(void) +{ + FILE *fp; + char cl[6]; + struct coords waypoint = {1, 10}; + struct coords ship = {0, 0}; + + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + while (fgets(cl, sizeof(cl), fp) != NULL) { + switch (cl[0]) { + case 'N': + waypoint.north += atoi(&cl[1]); + break; + case 'E': + waypoint.east += atoi(&cl[1]); + break; + case 'S': + waypoint.north -= atoi(&cl[1]); + break; + case 'W': + waypoint.east -= atoi(&cl[1]); + break; + case 'F':; + unsigned int const val = atoi(&cl[1]); + ship.north += val * waypoint.north; + ship.east += val * waypoint.east; + break; + /* Left and right */ + default:; + int direction = atoi(&cl[1]); + + /* (x, y) -> (-x, -y) */ + if (direction == 180) { + waypoint.north = -waypoint.north; + waypoint.east = -waypoint.east; + break; + } + + /* 0 <= direction < 360 */ + if (cl[0] == 'R') + direction = -direction + 360; + + int const temp = waypoint.east; + if (direction == 90) { + /* (x, y) -> (-y, x) */ + waypoint.east = -waypoint.north; + waypoint.north = temp; + } else { + /* (x, y) -> (y, -x) */ + waypoint.east = waypoint.north; + waypoint.north = -temp; + } + break; + } + } + fclose(fp); + + /* Absolute value */ + if (ship.north < 0) + ship.north = -ship.north; + if (ship.east < 0) + ship.east = -ship.east; + + printf("%d\n", ship.north + ship.east); + return EXIT_SUCCESS; +} diff --git a/2020/13/input b/2020/13/input new file mode 100644 index 0000000..59d4d66 --- /dev/null +++ b/2020/13/input @@ -0,0 +1,2 @@ +1006401 +17,x,x,x,x,x,x,x,x,x,x,37,x,x,x,x,x,449,x,x,x,x,x,x,x,23,x,x,x,x,13,x,x,x,x,x,19,x,x,x,x,x,x,x,x,x,x,x,607,x,x,x,x,x,x,x,x,x,41,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,29
\ No newline at end of file diff --git a/2020/13/puzzle-1.py b/2020/13/puzzle-1.py new file mode 100755 index 0000000..7b21f96 --- /dev/null +++ b/2020/13/puzzle-1.py @@ -0,0 +1,26 @@ +#!/usr/bin/env python3 + + +def main() -> None: + with open("input", "r") as f: + time = int(f.readline()) + ids = list(map(int, f.readline().replace(",x", "").split(","))) + + ids.sort() + + min = -1 + x = 0 + for bus in ids: + res = (time + ids[0]) % bus + if min < res < ids[0]: + min = res + x = bus + + for i in range(time, time + ids[0]): + if i % x == 0: + print((i - time) * x) + break + + +if __name__ == "__main__": + main() diff --git a/2020/13/puzzle-2.py b/2020/13/puzzle-2.py new file mode 100755 index 0000000..3965488 --- /dev/null +++ b/2020/13/puzzle-2.py @@ -0,0 +1,40 @@ +#!/usr/bin/env python3 + +from functools import reduce + + +def chinese_remainder(n: tuple[int, ...], a: tuple[int, ...]) -> int: + sum = 0 + prod = reduce(lambda a, b: a * b, n) + for n_i, a_i in zip(n, a): + p = prod // n_i + sum += a_i * mul_inv(p, n_i) * p + return sum % prod + + +def mul_inv(a: int, b: int) -> int: + b0 = b + x0, x1 = 0, 1 + if b == 1: + return 1 + while a > 1: + q = a // b + a, b = b, a % b + x0, x1 = x1 - q * x0, x0 + if x1 < 0: + x1 += b0 + return x1 + + +def main() -> None: + with open("input", "r") as f: + ids = tuple(map(lambda x: int(x) if x.isdigit() else x, f.readlines()[1].split(","))) + + buses = tuple(filter(lambda x: x != "x", ids)) + modres = tuple(x if (x := bus - ids.index(bus)) != bus else 0 for bus in buses) + + print(chinese_remainder(buses, modres)) + + +if __name__ == "__main__": + main() diff --git a/2020/14/input b/2020/14/input new file mode 100644 index 0000000..11570c1 --- /dev/null +++ b/2020/14/input @@ -0,0 +1,578 @@ +mask = 00X10101X110010011XX0X011X100000X010 +mem[13197] = 47579321 +mem[37394] = 374943 +mem[48509] = 418284 +mem[29793] = 191792725 +mask = 00100X001010010111XX010X10X01100001X +mem[378] = 9637 +mem[41083] = 1858241 +mem[36394] = 762 +mem[40101] = 15295 +mem[50670] = 9179863 +mem[30384] = 164245 +mem[11676] = 393669095 +mask = 0XX000X1111001010X10XX1101XX00X00100 +mem[17956] = 854 +mem[57595] = 179871 +mem[50596] = 207644327 +mask = X100XX0111X0X1X01101X0X0110010101011 +mem[26867] = 1012 +mem[3061] = 514891024 +mem[35973] = 512 +mask = 01X000111110010X1110X00110000X00000X +mem[3707] = 123619 +mem[37107] = 7325808 +mem[31906] = 102168 +mask = XX00XX0101100X011100000XX00100000X00 +mem[38336] = 2917310 +mem[7166] = 313228 +mem[41771] = 2741721 +mem[52154] = 89454 +mask = 11001111X110X0XX10XX11101111000X0111 +mem[35611] = 58725 +mem[40227] = 8442431 +mem[10029] = 7334 +mem[13345] = 87327004 +mask = 0XX0X0001010011011010XX0X110XX01X001 +mem[4868] = 493430 +mem[40452] = 18191 +mem[4567] = 330532 +mem[13580] = 1662243 +mask = 001X00011000X1X0X1X0110X110111001011 +mem[2096] = 25174 +mem[15283] = 994663544 +mem[16002] = 1359 +mem[4240] = 704816 +mask = 01000011101001001010110X10011X11XX01 +mem[16210] = 279177 +mem[8996] = 6470256 +mem[31049] = 1371071 +mem[20425] = 9683526 +mem[24986] = 142094045 +mask = 0X001X01X1X0110X10XX0X01X00101111010 +mem[61471] = 23661 +mem[57520] = 246980 +mem[57446] = 4169790 +mask = 001000X11110010111X000X00X0011X01001 +mem[25460] = 1461 +mem[528] = 48572826 +mem[61442] = 1487 +mem[60708] = 1804 +mem[51588] = 36111 +mask = 0X000001111001010X1011100100001X0X0X +mem[45713] = 3807909 +mem[26867] = 6236 +mem[39186] = 3023142 +mem[46212] = 5671589 +mem[28686] = 10375260 +mask = 00X0000XXX10X1011100X100001X0X100010 +mem[7272] = 1073 +mem[35482] = 1877478 +mask = 01X00XX11110X11X110X1000010XXX101110 +mem[28892] = 2154970 +mem[33403] = 34104 +mem[56124] = 11230 +mem[11265] = 484054168 +mem[36422] = 1080979 +mask = 00000001X11001X1110001X01000101XXXX0 +mem[8445] = 2387 +mem[55775] = 8215 +mask = 110001101110110X10010X00XX1X01010100 +mem[49202] = 4152007 +mem[49938] = 4676666 +mem[58184] = 43886544 +mem[35840] = 8484248 +mem[25642] = 1980350 +mem[37918] = 1692542 +mem[44918] = 43860354 +mask = 0X000X011110010X1100X10X100X1X111100 +mem[24669] = 15051033 +mem[43432] = 1054 +mem[64706] = 21834 +mem[27336] = 773822 +mem[24406] = 420 +mask = 00XX01111X1001001X0001101001111101XX +mem[48221] = 256859 +mem[1361] = 145480785 +mem[8221] = 32962081 +mem[11649] = 327597066 +mem[6355] = 3866 +mem[33696] = 951794 +mask = X10XX0010110011010111100X010X000000X +mem[51014] = 577 +mem[38304] = 7416 +mem[34256] = 3748 +mem[12926] = 306 +mem[39297] = 1823498 +mask = 0000X00XXX10011XX000000X10X010100001 +mem[18788] = 7298 +mem[39644] = 7675 +mem[33093] = 416832 +mem[5195] = 6722351 +mem[28000] = 53707945 +mem[5336] = 77314873 +mem[992] = 134079888 +mask = 0000X101110X010011X0000000X011X1X101 +mem[8536] = 401336 +mem[1632] = 1267 +mem[6456] = 581 +mem[31682] = 20542 +mem[27729] = 726 +mem[49447] = 37811 +mask = 0X0X00111XX001XX111X1011010X100X0111 +mem[38677] = 9808 +mem[54045] = 28545 +mem[30384] = 49811 +mem[62515] = 19422 +mem[14508] = 49363 +mask = X100X1X1011X1111011X01101000X11XX101 +mem[59468] = 387 +mem[37138] = 121701873 +mem[18728] = 2624430 +mem[28293] = 5039090 +mem[32321] = 839768 +mem[28535] = 647 +mask = XX100X0010100XX1110X11000110X100X00X +mem[2147] = 1562 +mem[25832] = 275992750 +mask = 110XX0X10110X11X10X1110X10100X000000 +mem[22152] = 470276298 +mem[60732] = 716 +mem[52727] = 1427169 +mem[16196] = 9596060 +mem[3910] = 28432777 +mask = 01X0001111100X101110110X011XXX01X011 +mem[8221] = 60956 +mem[1223] = 293 +mem[24130] = 777493 +mem[62002] = 3900 +mem[20316] = 26105612 +mem[58295] = 528344031 +mem[12465] = 1159 +mask = 11000X011110010010011100100XX111100X +mem[59580] = 3601634 +mem[31173] = 325319 +mem[28284] = 2285676 +mem[57595] = 8662764 +mem[32672] = 4111107 +mask = 01000001X1100101XX0X01101X1X00011X0X +mem[33093] = 4612 +mem[61749] = 5692 +mem[28188] = 26420039 +mem[59026] = 1325 +mem[37032] = 149 +mask = 01000X11111001X11110011X111X01100X01 +mem[23793] = 131971 +mem[10420] = 848652 +mem[10469] = 33394600 +mem[23001] = 1875 +mask = 01001111011X1X1XXX1X001XX11100011X10 +mem[38294] = 371641 +mem[17261] = 72227824 +mem[41143] = 213405737 +mem[54246] = 1445548 +mem[41901] = 1849824 +mask = 0X00110X01101100XX101011001110XX1101 +mem[42925] = 176752065 +mem[17255] = 12010392 +mem[37437] = 64942 +mem[57253] = 827582 +mask = 11X10X101111XX0010X10101100100010110 +mem[14344] = 6638562 +mem[40266] = 89477554 +mem[9511] = 1133 +mem[53072] = 748643130 +mem[4567] = 372 +mem[26565] = 4739 +mask = 00010XX1X11X010X11X000100111001X1110 +mem[4247] = 17837 +mem[18674] = 2031700 +mem[47487] = 89684677 +mask = 110X1X11011X101110111101XX01001100X0 +mem[22046] = 3445 +mem[55657] = 29187 +mem[38510] = 159862 +mask = 0100000X11X00100110X01101X0011001100 +mem[12772] = 3394234 +mem[30255] = 47301946 +mem[55181] = 11825301 +mem[2096] = 239 +mem[6355] = 66264 +mem[62103] = 62751352 +mask = X100010XXX10X1001110001001X10X100X0X +mem[18880] = 12756 +mem[52727] = 58449492 +mem[52620] = 106260805 +mask = 01000X011110010XX110X11001100X000XXX +mem[5734] = 3770 +mem[46419] = 12806425 +mem[26866] = 6566928 +mask = X1001XX101101X1X10111X0X1111001101X0 +mem[54847] = 8045 +mem[61036] = 1672 +mem[32929] = 87423486 +mem[48539] = 13896 +mem[14353] = 7009065 +mem[16446] = 32987614 +mask = 00100000X111110X1110X101100000100X00 +mem[23863] = 4070 +mem[52234] = 498973 +mem[20235] = 1706949 +mask = 00X000011110X100110X11100X0X10X01010 +mem[44286] = 26378 +mem[30741] = 14368000 +mem[7396] = 88194752 +mask = 0X001X01X11011X0101X1010XX01X01000X0 +mem[6834] = 2670580 +mem[15903] = 6945101 +mem[10104] = 2517 +mem[65020] = 61602027 +mem[55142] = 1143278 +mem[38596] = 1333 +mem[17509] = 153504934 +mask = 00XX0X01111XX10111X00X10X0111011110X +mem[568] = 1625 +mem[30255] = 248279 +mem[11912] = 538 +mem[12028] = 520033 +mask = 0010XX011X00X10011X001XX1100X1000001 +mem[15654] = 120 +mem[4292] = 57554 +mem[2096] = 346664 +mem[1248] = 10995 +mem[48539] = 656539 +mem[19181] = 147211 +mask = 1010010X110001001100X1X00X0011010X01 +mem[11344] = 4845730 +mem[60639] = 25030928 +mem[1005] = 12960528 +mem[47688] = 107547855 +mem[17509] = 728745 +mask = X00000011X10X10X11000101101000000100 +mem[46621] = 1608 +mem[5562] = 15064109 +mem[28385] = 1651 +mem[5734] = 288099689 +mem[49319] = 97558812 +mem[37739] = 1161 +mem[52727] = 1992490 +mask = 0001010XX110010X110000X01X10X011XX1X +mem[37366] = 735085354 +mem[1739] = 409 +mem[12604] = 754989 +mask = 00000X011110010011000X001X0100XX0000 +mem[29851] = 8508 +mem[44133] = 1998890 +mem[24804] = 6068 +mem[59260] = 1198469 +mem[59580] = 10413954 +mask = 00110111X01X010010X00000X10X00110110 +mem[55579] = 418284890 +mem[7573] = 1800 +mem[26096] = 1469134 +mem[44133] = 25531796 +mem[39628] = 7076590 +mask = 0000000111X0010111X001011XX0000X1X00 +mem[24778] = 24875864 +mem[10420] = 3072761 +mem[2096] = 2762 +mem[30148] = 6696 +mem[17770] = 13204967 +mask = 0011010101X00X0X1100X000110011100101 +mem[57742] = 21044093 +mem[33266] = 56667 +mem[61442] = 1636 +mem[51870] = 1018197644 +mem[40469] = 77760 +mask = X0X001XX11000X0011X00100010011X00X01 +mem[11504] = 438885 +mem[53777] = 6130 +mem[17770] = 808014 +mask = 000X001111100101XX100010X010X1100100 +mem[35611] = 1215 +mem[10397] = 301 +mem[10866] = 8375216 +mem[2499] = 10472 +mem[63504] = 270966 +mem[7719] = 2064 +mem[41088] = 343764913 +mask = 010X1X00X1X0X1101X0X00111101001X0101 +mem[20597] = 773 +mem[14657] = 294987038 +mask = 00XX0001X110010111100000X01010100111 +mem[43170] = 365 +mem[55657] = 4882105 +mem[44170] = 628956 +mem[10429] = 947957 +mem[272] = 36059 +mask = 0X000011X0X0010X1X1011110100101XXXX1 +mem[3910] = 2312 +mem[47735] = 89421 +mem[2197] = 32972549 +mem[49938] = 7005 +mask = 00000100X100X100111X0101011X11010101 +mem[54400] = 830 +mem[43977] = 2412350 +mem[18229] = 19157634 +mem[19181] = 879884567 +mask = 000101X11X100100X100011X000100110001 +mem[37237] = 104037633 +mem[29167] = 1094 +mem[6308] = 6007 +mem[21610] = 80462437 +mem[2261] = 345450311 +mask = 0X0000X1111001011110X01X1XX01010X0XX +mem[10892] = 85035 +mem[38510] = 42597708 +mem[30752] = 2960 +mem[30416] = 123661909 +mem[49045] = 913 +mem[4292] = 75 +mem[17509] = 1382 +mask = 1X00X00111X001X0100101001X110X0001X0 +mem[56241] = 8276 +mem[40782] = 243373 +mem[42397] = 43237586 +mem[13015] = 399 +mem[23129] = 735838 +mem[1385] = 4448 +mask = 0000X011000XX100X110111101X110X010X1 +mem[13015] = 247 +mem[42378] = 546670 +mem[8214] = 63809 +mem[22410] = 155149 +mem[55264] = 454543598 +mem[28778] = 69088880 +mem[48061] = 12489909 +mask = 0XX0X000XX1001X01101001000000100X1X1 +mem[7551] = 11717790 +mem[6107] = 50467 +mem[30752] = 4249755 +mem[17228] = 33884 +mem[59957] = 32163540 +mask = 1X0X0X10111X01001X0101011X0X0X0101X0 +mem[45349] = 1879078 +mem[31733] = 88189 +mem[12577] = 546676501 +mem[53419] = 16199 +mem[59921] = 2546 +mask = 0010001X110001X1X110100101X111000000 +mem[19998] = 179736 +mem[22061] = 30001652 +mem[41371] = 16212851 +mem[64355] = 622251640 +mem[23129] = 98852 +mem[56429] = 266 +mask = 00000X0X11X00XX1100001X0100010X0X100 +mem[37241] = 450 +mem[64833] = 219911344 +mem[16713] = 626602448 +mask = X1X01011X11010111011XX000001X01XX100 +mem[47336] = 15388 +mem[56124] = 582872 +mem[28686] = 27406190 +mem[34623] = 13146 +mem[30384] = 229541309 +mask = X00X011X11100100110X00110001XXX00000 +mem[18660] = 3353 +mem[30741] = 10036798 +mem[47487] = 4090 +mask = 00X0000X11100X011X0001101001X10X10X0 +mem[52567] = 730515 +mem[16156] = 10615261 +mem[29580] = 957414770 +mem[26765] = 19 +mem[24655] = 510031974 +mem[24669] = 30 +mem[46781] = 5769 +mask = 0X0010011110111010X000X0X11X101001X0 +mem[63285] = 8050 +mem[46893] = 981797 +mem[46022] = 984778 +mem[31931] = 67780 +mem[23543] = 3153 +mask = 1100X001X11001X01001X100111X01X0X100 +mem[53172] = 13616323 +mem[31500] = 117639 +mem[59037] = 106552607 +mem[54562] = 3408946 +mem[57159] = 411910 +mem[2824] = 61677145 +mem[47313] = 520051559 +mask = X100010111100100XX0XX110100001010101 +mem[37739] = 3912032 +mem[12772] = 884026 +mem[2217] = 4238 +mem[57159] = 28391 +mem[17146] = 3998 +mask = 00000001111001X11X000110101X1X11X100 +mem[11649] = 516652 +mem[21190] = 526 +mem[6364] = 274816 +mem[25567] = 190071 +mask = XXX00000X111010111001001111000X00000 +mem[25786] = 934 +mem[22026] = 215203 +mask = 0010000110X0110X11X001001101110X0011 +mem[59392] = 400 +mem[59580] = 927 +mem[15208] = 18515970 +mem[59444] = 245687 +mem[36248] = 893 +mem[59134] = 20240 +mask = 0X0XX1X11110X1011010000110000010000X +mem[11344] = 223586488 +mem[41434] = 519191086 +mem[15028] = 1492592 +mem[25631] = 247281 +mask = 11X0XX1011101000X0011X00X101X1111000 +mem[21825] = 1675 +mem[2371] = 663473 +mem[37724] = 4339 +mem[54246] = 855 +mem[9392] = 56579 +mem[35552] = 14454 +mask = 0100010111100100111X110X00X01000X1X0 +mem[44516] = 482691 +mem[26528] = 1559 +mem[53886] = 89643332 +mem[3478] = 12699372 +mask = 0011010111X00100XXX0XX1X10XX10100001 +mem[27239] = 413074512 +mem[15589] = 3001 +mem[10011] = 1136 +mem[59026] = 852921 +mem[5283] = 213015528 +mask = 00X0000XX11XX10111X0000001X000101000 +mem[17298] = 4088539 +mem[54369] = 505389469 +mem[8221] = 132829 +mem[55115] = 5055 +mem[56330] = 1932140 +mask = 01X00001111001010110111001X00010X0XX +mem[37467] = 127273625 +mem[38432] = 3166735 +mem[52727] = 998 +mem[42925] = 1733202 +mask = 11010011011011X01X01010XX10110110000 +mem[26085] = 233531 +mem[57079] = 1526 +mem[53172] = 385838419 +mem[29614] = 254712697 +mem[25466] = 735 +mem[27081] = 7719 +mask = 01000000111X0XXX1101X11X001101X01100 +mem[55941] = 72432190 +mem[16199] = 10097889 +mem[45349] = 10650 +mem[62515] = 8214 +mem[59468] = 965897 +mem[16653] = 386447843 +mem[49447] = 413274 +mask = 01000X011110X1XX1XX10X001111000X1000 +mem[59209] = 14316 +mem[50790] = 705222705 +mem[45621] = 232211796 +mask = 010X111101111XX1101000X1011000111011 +mem[48891] = 3231894 +mem[37241] = 49993 +mem[47016] = 3806 +mem[10469] = 12758 +mem[43871] = 17980 +mask = 0XX00XX11110010011X0010X1X011100X000 +mem[28733] = 801341049 +mem[12772] = 20002640 +mem[30741] = 2248 +mask = 0101X01110100X0111XX11110011000XXX01 +mem[17803] = 65414 +mem[45439] = 13886371 +mem[16184] = 130293 +mem[29313] = 1782 +mask = 01000111111001101X0110000001XX1X1111 +mem[34404] = 202755 +mem[43413] = 1045 +mem[48841] = 381434549 +mem[37238] = 230052 +mem[10175] = 421554 +mem[11939] = 15850 +mask = X0XX0011X110010X011000010111110X1XX0 +mem[54847] = 160031 +mem[53915] = 5111 +mem[6036] = 17132 +mem[36183] = 1360055 +mem[47658] = 127563 +mask = 00100X1111X0010101101X11X11111001X10 +mem[25937] = 8673 +mem[12926] = 834 +mem[43356] = 732346 +mem[5734] = 393 +mem[3822] = 30383 +mask = 110001101110XX00100100XX0X11X1XX010X +mem[821] = 185158312 +mem[64509] = 264189683 +mem[15199] = 1037709 +mem[635] = 437556 +mem[31141] = 14726605 +mem[40468] = 47196 +mask = 00000001XX1001001X0000X01001X0001100 +mem[46740] = 8071 +mem[43144] = 14187193 +mem[51555] = 382 +mem[30741] = 4087 +mem[45411] = 1430 +mem[14377] = 7364 +mask = 11X00110111001001001100X10X1XX00X100 +mem[62803] = 979004797 +mem[4838] = 343 +mem[23241] = 4426 +mask = 001X0101X1100100X1X0X110110XX01001X0 +mem[10799] = 5745 +mem[14789] = 34632 +mem[27068] = 8863 +mask = 001001011XX0010011000111010X10XX0100 +mem[31173] = 109895 +mem[25936] = 4493 +mask = 00000011111X0101X1X01100X00000100000 +mem[32612] = 14472 +mem[22702] = 713 +mem[22779] = 126887839 +mem[43168] = 251908 +mem[11504] = 47004 +mem[7399] = 2215129 +mem[63129] = 4367 +mask = 010001010X10010X111XX1X0111100101X0X +mem[3663] = 187207677 +mem[52928] = 200 +mem[38852] = 8397 +mem[31461] = 223838656 +mem[64706] = 4205924 +mem[26237] = 218385741 +mem[57402] = 258615472 +mask = 11X0X0X1011001XX1001111X011100XX0000 +mem[55334] = 323423 +mem[5833] = 33097 +mem[26924] = 272 +mem[42957] = 47976862 +mem[18798] = 61419 +mem[19947] = 1287 +mask = 1100X101011X10111X11X000111100111XX0 +mem[64472] = 224734 +mem[18079] = 526 +mem[60870] = 3322170 +mem[4013] = 578 +mem[2606] = 83684765 +mem[17048] = 2503 +mask = 0010000XX0000100110000011X0001X0X00X +mem[37789] = 94286 +mem[2499] = 13318890 +mem[29793] = 78507 +mem[45621] = 3626886 +mem[34770] = 2407 +mem[54400] = 38740 +mask = 0010X10111000100110001X0X1000100X101 +mem[11265] = 1297549 +mem[16410] = 948310 +mem[33093] = 893977 +mem[17298] = 53047 +mem[45439] = 14869 +mem[21212] = 870451788 diff --git a/2020/14/puzzle-1.py b/2020/14/puzzle-1.py new file mode 100755 index 0000000..f102316 --- /dev/null +++ b/2020/14/puzzle-1.py @@ -0,0 +1,37 @@ +#!/usr/bin/env python3 + + +def bitmask(mask: str, num: int) -> int: + binary = bin(num)[2:] + binary = "0" * (36 - len(binary)) + binary + res = "" + + for i in range(len(binary)): + if binary[i] == "1" and mask[i] == "0": + res += "0" + elif binary[i] == "0" and mask[i] == "1": + res += "1" + else: + res += binary[i] + + return int(res, 2) + + +def main() -> None: + with open("input", "r") as f: + lines = f.read().splitlines() + + mem: dict[str, int] = {} + mask = "" + for line in lines: + line = line.split(" ") + if line[0] == "mask": + mask = line[2] + else: + mem[line[0][4:-1]] = bitmask(mask, int(line[2])) + + print(sum(mem[val] for val in mem)) + + +if __name__ == "__main__": + main() diff --git a/2020/14/puzzle-2.py b/2020/14/puzzle-2.py new file mode 100755 index 0000000..45fb6ad --- /dev/null +++ b/2020/14/puzzle-2.py @@ -0,0 +1,48 @@ +#!/usr/bin/env python3 + + +def bitmask(mask: str, num: int) -> tuple[int, ...]: + binary = bin(num)[2:] + binary = binary.zfill(36) + res = "" + + for i in range(len(binary)): + if mask[i] == "0": + res += binary[i] + else: + res += mask[i] + + n = res.count("X") + combos = tuple(bin(i)[2:].zfill(n) for i in range(2 << n - 1)) + + acc: list[str] = [] + for combo in combos: + temp = res + for i in range(n): + temp = temp.replace("X", combo[i], 1) + acc.append(temp) + + return tuple(int(x, 2) for x in acc) + + +def main() -> None: + with open("input", "r") as f: + lines = f.read().splitlines() + + mem: dict[str, int] = {} + mask = "" + for line in lines: + line = line.split(" ") + if line[0] == "mask": + mask = line[2] + else: + address = line[0][4:-1] + addresses = bitmask(mask, int(address)) + for a in addresses: + mem[a] = int(line[2]) + + print(sum(mem[val] for val in mem)) + + +if __name__ == "__main__": + main() diff --git a/2020/15/.gitignore b/2020/15/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/15/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/15/Makefile b/2020/15/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/15/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/15/puzzles.c b/2020/15/puzzles.c new file mode 100644 index 0000000..64d89bb --- /dev/null +++ b/2020/15/puzzles.c @@ -0,0 +1,31 @@ +#include <stdio.h> +#include <stdlib.h> + +#ifndef PART2 + #define BUFFER 2020 +#else + #define BUFFER 30000000 +#endif + +int +main(void) +{ + /* Given starting numbers */ + static unsigned int nums[BUFFER] = {0}; + nums[6] = 1; + nums[19] = 2; + nums[0] = 3; + nums[5] = 4; + nums[7] = 5; + nums[13] = 6; + + unsigned int temp, lnum = 1; + for (int i = 8; i <= BUFFER; i++) { + temp = lnum; + lnum = nums[lnum] ? i - 1 - nums[lnum] : 0; + nums[temp] = i - 1; + } + + printf("%u\n", lnum); + return EXIT_SUCCESS; +} diff --git a/2020/16/input b/2020/16/input new file mode 100644 index 0000000..2895e57 --- /dev/null +++ b/2020/16/input @@ -0,0 +1,269 @@ +departure location: 30-260 or 284-950 +departure station: 29-856 or 863-974 +departure platform: 32-600 or 611-967 +departure track: 44-452 or 473-965 +departure date: 36-115 or 129-950 +departure time: 50-766 or 776-972 +arrival location: 40-90 or 104-961 +arrival station: 40-864 or 887-971 +arrival platform: 32-920 or 932-964 +arrival track: 45-416 or 427-959 +class: 47-536 or 557-964 +duration: 33-229 or 246-969 +price: 25-147 or 172-969 +route: 32-328 or 349-970 +row: 50-692 or 709-964 +seat: 49-292 or 307-964 +train: 28-726 or 748-954 +type: 37-430 or 438-950 +wagon: 46-628 or 638-973 +zone: 39-786 or 807-969 + +your ticket: +89,193,59,179,191,173,61,73,181,67,71,109,53,79,83,113,107,139,131,137 + +nearby tickets: +499,362,657,143,723,763,935,454,473,586,372,489,214,753,765,65,307,56,853,934 +228,664,709,361,856,645,363,171,901,199,62,513,667,808,350,890,715,687,257,721 +531,490,628,88,947,252,832,917,686,571,362,874,837,588,849,140,655,407,90,611 +777,194,111,386,90,598,153,363,373,566,191,945,559,819,289,487,480,590,691,756 +186,366,196,844,655,659,845,109,355,330,71,176,397,380,822,776,369,447,658,949 +783,763,570,184,260,448,856,717,913,646,774,657,841,917,910,193,941,408,110,577 +378,832,670,59,155,911,209,74,57,947,144,514,411,89,690,856,854,286,597,132 +319,684,204,909,342,206,204,943,620,52,516,115,430,319,84,618,593,211,596,581 +66,146,910,225,107,112,918,679,255,757,125,946,863,892,78,525,373,913,87,838 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\ No newline at end of file diff --git a/2020/16/puzzle-1.py b/2020/16/puzzle-1.py new file mode 100755 index 0000000..f4343c8 --- /dev/null +++ b/2020/16/puzzle-1.py @@ -0,0 +1,30 @@ +#!/usr/bin/env python3 + + +def main() -> None: + with open("input", "r") as f: + data = f.readlines() + + i = 0 + valid: list[int] = [] + while data[i] != "\n": + ranges = data[i].split(": ")[1].split(" or ") + for _range in ranges: + bounds = tuple(map(int, _range.split("-"))) + for j in range(bounds[0], bounds[1] + 1): + valid.append(j) + i += 1 + + # Skip to nearby tickets + i += 5 + acc = 0 + + for j in range(i, len(data)): + fields = tuple(map(int, data[j].split(","))) + acc += sum(field for field in fields if field not in valid) + + print(acc) + + +if __name__ == "__main__": + main() diff --git a/2020/16/puzzle-2.py b/2020/16/puzzle-2.py new file mode 100755 index 0000000..1060049 --- /dev/null +++ b/2020/16/puzzle-2.py @@ -0,0 +1,81 @@ +#!/usr/bin/env python3 + +from functools import reduce +from operator import mul + + +def not_reduced(label_dict: dict[int, str]) -> bool: + for i in label_dict: + if len(label_dict[i]) != 1: + return True + return False + + +def main() -> None: + with open("input", "r") as f: + data = f.readlines() + + i = 0 + valid: list[int] = [] + labels: list[str] = [] + while data[i] != "\n": + labels.append(data[i].split(":")[0]) + ranges = data[i].split(": ")[1].split(" or ") + for _range in ranges: + bounds = tuple(map(int, _range.split("-"))) + for j in range(bounds[0], bounds[1] + 1): + valid.append(j) + i += 1 + + # Skip to nearby tickets + i += 5 + + vtickets: list[tuple[int, ...]] = [] + for j in range(i, len(data)): + fields = tuple(map(int, data[j].split(","))) + check = True + for field in fields: + if field not in valid: + check = False + break + if check == True: + vtickets.append(tuple(map(int, data[j].split(",")))) + + label_dict: dict[int, list[str]] = {} + for i in range(len(labels)): + label_dict[i] = [] + + # Triple for loop, gross! + for label in labels: + valid: list[list[int]] = [] + ranges = data[labels.index(label)].split(": ")[1].split(" or ") + for _range in ranges: + bounds = tuple(map(int, _range.split("-"))) + for i in range(bounds[0], bounds[1] + 1): + valid.append(i) + + # For each column + for i in range(len(labels)): + allvalid = True + for ticket in vtickets: + if ticket[i] not in valid: + allvalid = False + break + + if allvalid == True: + label_dict[i].append(label) + + # Reduce the label dictionary + while not_reduced(label_dict): + for i in label_dict: + if len((l := label_dict[i])) == 1: + for j in label_dict: + if l[0] in label_dict[j] and i != j: + label_dict[j].remove(l[0]) + + my_ticket = tuple(map(int, data[data.index("your ticket:\n") + 1].split(","))) + print(reduce(mul, [x for x in my_ticket if "departure" in label_dict[my_ticket.index(x)][0]],)) + + +if __name__ == "__main__": + main() diff --git a/2020/17/.gitignore b/2020/17/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/17/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/17/Makefile b/2020/17/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/17/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/17/input b/2020/17/input new file mode 100644 index 0000000..3b42c23 --- /dev/null +++ b/2020/17/input @@ -0,0 +1,8 @@ +...#..#. +.....##. +##..##.# +#.#.##.. +#..#.### +...##.#. +#..##..# +.#.#..#.
\ No newline at end of file diff --git a/2020/17/puzzles.c b/2020/17/puzzles.c new file mode 100644 index 0000000..4e98982 --- /dev/null +++ b/2020/17/puzzles.c @@ -0,0 +1,104 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* PART2 is defined for part 2, but not for part 1 */ +#ifdef PART2 + #define MAXTIME 50 +#else + #define MAXTIME 1 +#endif +#define MAXDEPTH 50 +#define MAXHEIGHT 50 +#define MAXWIDTH 50 + +char space[MAXTIME][MAXDEPTH][MAXHEIGHT][MAXWIDTH]; +char temp[MAXTIME][MAXDEPTH][MAXHEIGHT][MAXWIDTH]; + +/* Check the cubes around the given coordinates and update the temp array accordingly */ +static void +update_cube(unsigned int const t, unsigned int const i, unsigned int const j, unsigned int const k) +{ + unsigned int active = 0; + + for (int tme = t - 1; tme <= (int) t + 1; tme++) { + if (tme < 0 || tme > MAXTIME - 1) + continue; + for (int dep = i - 1; dep <= (int) i + 1; dep++) { + if (dep < 0 || dep > MAXDEPTH - 1) + continue; + for (int hgt = j - 1; hgt <= (int) j + 1; hgt++) { + if (hgt < 0 || hgt > MAXHEIGHT - 1) + continue; + for (int wid = k - 1; wid <= (int) k + 1; wid++) { + if (wid < 0 || wid > MAXWIDTH - 1 + || (tme == (int) t && dep == (int) i && hgt == (int) j + && wid == (int) k)) + continue; + + if (space[tme][dep][hgt][wid] == '#') + active++; + } + } + } + } + + if (space[t][i][j][k] == '#' && (active == 2 || active == 3)) + temp[t][i][j][k] = '#'; + else if (space[t][i][j][k] == '.' && active == 3) + temp[t][i][j][k] = '#'; + else + temp[t][i][j][k] = '.'; +} + +int +main(void) +{ + /* Initialze space */ + memset(space, '.', MAXTIME * MAXDEPTH * MAXHEIGHT * MAXWIDTH); + + /* Read input */ + FILE *fpt = fopen("input", "r"); + char c; + unsigned int t, i, j, k; + + j = k = 0; + while ((c = fgetc(fpt)) != EOF) { + if (c == '\n') { + j++; + k = 0; + } + else { + space[MAXTIME / 2][MAXDEPTH / 2][j + MAXHEIGHT / 2][k + MAXWIDTH / 2] = c; + k++; + } + } + + /* Do the boot cycles */ + for (int cycle = 0; cycle < 6; cycle++) { + for (t = 0; t < MAXTIME; t++) + for (i = 0; i < MAXDEPTH; i++) + for (j = 0; j < MAXHEIGHT; j++) + for (k = 0; k < MAXWIDTH; k++) + update_cube(t, i, j, k); + + /* Copy temp to space */ + for (t = 0; t < MAXTIME; t++) + for (i = 0; i < MAXDEPTH; i++) + for (j = 0; j < MAXHEIGHT; j++) + for (k = 0; k < MAXWIDTH; k++) + space[t][i][j][k] = temp[t][i][j][k]; + } + + /* Count the active cubes */ + unsigned int count = 0; + for (t = 0; t < MAXTIME; t++) + for (i = 0; i < MAXDEPTH; i++) + for (j = 0; j < MAXHEIGHT; j++) + for (k = 0; k < MAXWIDTH; k++) + if (space[t][i][j][k] == '#') + count++; + + printf("%u\n", count); + return EXIT_SUCCESS; +} diff --git a/2020/18/.gitignore b/2020/18/.gitignore new file mode 100644 index 0000000..60d075d --- /dev/null +++ b/2020/18/.gitignore @@ -0,0 +1 @@ +puzzle-[12] diff --git a/2020/18/Makefile b/2020/18/Makefile new file mode 100644 index 0000000..c32dafa --- /dev/null +++ b/2020/18/Makefile @@ -0,0 +1,7 @@ +all: + ${CC} ${CFLAGS} -o puzzle-1 puzzles.c + ${CC} ${CFLAGS} -DPART2 -o puzzle-2 puzzles.c + +.PHONY: clean +clean: + rm -f puzzle-[12] diff --git a/2020/18/input b/2020/18/input new file mode 100644 index 0000000..c39b341 --- /dev/null +++ b/2020/18/input @@ -0,0 +1,379 @@ +6 * 7 * 8 * 9 * ((8 * 3 * 9) * 7 + 2 + 4 * 8 + 2) + 5 +3 * 2 * (5 + (8 + 2 * 2 * 8 + 8) * 8) +5 + 7 * 8 * 2 +(8 + 5 * 9 + (8 * 9 + 7 + 8)) * 4 * 3 * (8 * 9) * 3 +(7 + 2 + 2 + 5 * 6 * 3) * 8 + 5 * 9 +(9 + (2 * 9 + 6 + 5 + 2 + 7) + 4) + 5 + (9 + (7 + 8 * 6 + 3 * 8) * (5 + 3 * 2 * 9) + 7 * (4 * 5 + 6 + 9)) + 9 * 7 * 4 +5 * (8 + 2 + 9 * 6) +(4 * 8 + 8 + 5 * (5 * 3 + 7 * 8 + 8 + 2) + 8) * 4 * 2 * 7 + 3 + 8 +6 + 9 * (6 + 7 + (3 + 9)) +(6 * 7) + 2 +9 + (4 * (4 * 2 + 6 + 9) + 2 + 4 * 5 + 9) +2 * (8 + 6 * 2 * 6 + 2 * (6 + 5 + 9 + 6)) * 2 * 6 +(5 * 7 * 4) * 3 * (3 * 6) +(2 + 4 + 5 + 2) + 2 * 4 * ((6 + 2 + 3 + 4 + 9 + 8) * 5 + 6) * ((3 + 3 + 5 + 2) * 8 * 5 + 8) +9 + 8 * (9 + 5 * (2 + 4 * 3 * 2 * 9) * 9) * (5 + 2 + 6 + 3 * 4) +(4 * 5 + 4) * 7 * (2 * 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\ No newline at end of file diff --git a/2020/18/puzzles.c b/2020/18/puzzles.c new file mode 100644 index 0000000..5afbe00 --- /dev/null +++ b/2020/18/puzzles.c @@ -0,0 +1,126 @@ +#define _GNU_SOURCE +#include <sys/types.h> + +#include <ctype.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> + +static unsigned long long parse_number(void); +static unsigned long long parse_digit(void); +static unsigned long long parse_result(void); + +#ifdef PART2 +static unsigned long long parse_sum(void); +static unsigned long long parse_product(void); +#endif + +char *g_current; + +/* Convert the current number from a string to an int */ +unsigned long long +parse_number(void) +{ + unsigned long long number = 0; + while (isdigit(*g_current)) + number = number * 10 + *g_current++ - '0'; + + return number; +} + +/* Parse the current digit pointed to by `g_current` */ +unsigned long long +parse_digit(void) +{ + if (isdigit(*g_current)) + return parse_number(); + + /* If not a digit, it's a parenthesis */ + g_current++; + unsigned long long result = parse_result(); + g_current++; + return result; +} + +#ifdef PART2 +/* Parse and compute a sum */ +unsigned long long +parse_sum(void) +{ + unsigned long long result = parse_digit(); + + while (*g_current == '+') { + g_current++; + result += parse_digit(); + } + + return result; +} + +/* Parse and compute a product */ +unsigned long long +parse_product(void) +{ + unsigned long long result = parse_sum(); + + while (*g_current == '*') { + g_current++; + result *= parse_sum(); + } + + return result; +} +#endif + +/* Parse and compute a sum */ +unsigned long long +parse_result(void) +{ +#ifdef PART2 + return parse_product(); +#else + unsigned long long result = parse_digit(); + + while (*g_current == '+' || *g_current == '*') { + if (*g_current++ == '+') + result += parse_digit(); + else + result *= parse_digit(); + } + + return result; +#endif +} + +/* Remove the spaces from user input */ +static void +remove_spaces(char *str) +{ + char const *c = str; + do + while (*c == ' ') + c++; + while ((*str++ = *c++)); +} + +int +main(void) +{ + FILE *fp; + char *line = NULL; + size_t len = 0; + ssize_t read; + + if (!(fp = fopen("input", "r"))) + err(EXIT_FAILURE, "fopen"); + + unsigned long long acc = 0; + while ((read = getline(&line, &len, fp)) != -1) { + remove_spaces(line); + g_current = line; + acc += parse_result(); + } + + printf("%llu\n", acc); + return EXIT_SUCCESS; +} diff --git a/2020/19/input b/2020/19/input new file mode 100644 index 0000000..d45070d --- /dev/null +++ b/2020/19/input @@ -0,0 +1,562 @@ +72: "b" +45: 46 52 | 9 72 +85: 9 52 | 9 72 +82: 52 87 | 72 77 +133: 52 30 | 72 56 +118: 7 52 | 70 72 +18: 52 113 | 72 52 +119: 72 46 | 52 18 +25: 19 72 | 103 52 +32: 90 52 | 78 72 +50: 113 113 +71: 72 106 | 52 128 +3: 103 72 | 18 52 +41: 86 72 | 19 52 +96: 86 72 | 108 52 +33: 44 52 | 104 72 +127: 52 36 | 72 50 +51: 72 79 | 52 38 +43: 72 50 | 52 106 +14: 32 72 | 129 52 +6: 2 72 | 33 52 +108: 52 72 | 72 52 +129: 6 52 | 82 72 +34: 127 72 | 3 52 +74: 128 52 | 9 72 +80: 52 103 | 72 19 +2: 134 72 | 13 52 +54: 128 72 | 114 52 +19: 72 72 | 113 52 +0: 8 11 +30: 132 72 | 39 52 +60: 72 64 | 52 5 +4: 18 52 | 114 72 +57: 72 71 | 52 54 +111: 52 27 | 72 102 +76: 122 52 | 75 72 +134: 86 52 | 9 72 +49: 17 52 | 81 72 +124: 103 72 | 86 52 +123: 72 28 | 52 121 +117: 18 52 | 86 72 +26: 51 72 | 58 52 +62: 85 52 | 44 72 +55: 126 52 | 92 72 +115: 72 13 | 52 67 +109: 128 72 | 106 52 +52: "a" +93: 60 52 | 133 72 +64: 67 72 | 84 52 +102: 52 128 | 72 48 +84: 86 52 | 46 72 +77: 41 72 | 21 52 +27: 52 9 | 72 108 +95: 89 72 | 105 52 +36: 52 72 +110: 72 50 | 52 9 +9: 72 72 +120: 72 19 | 52 18 +67: 52 48 +112: 65 72 | 119 52 +75: 62 52 | 123 72 +23: 15 72 | 119 52 +42: 131 52 | 61 72 +94: 52 91 | 72 18 +66: 52 128 | 72 103 +10: 113 108 +37: 52 18 | 72 50 +98: 72 69 | 52 94 +126: 115 52 | 29 72 +79: 59 52 | 94 72 +104: 19 72 | 36 52 +125: 96 72 | 4 52 +122: 52 73 | 72 112 +130: 52 20 | 72 45 +90: 72 40 | 52 88 +132: 103 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\ No newline at end of file diff --git a/2020/19/puzzle-1.py b/2020/19/puzzle-1.py new file mode 100755 index 0000000..8ca7eb2 --- /dev/null +++ b/2020/19/puzzle-1.py @@ -0,0 +1,59 @@ +#!/usr/bin/env python3 + +from collections import OrderedDict + + +def main() -> None: + with open("input", "r") as f: + data = f.readlines() + + i = 0 + rules: list[tuple[str]] = [] + while data[i] != "\n": + rules.append(tuple(x for x in tuple(data[i].split(": ")))) + i += 1 + + tests: list[str] = [] + for line in data: + tests.append(line.strip()) + + patterns: dict[str, list[str]] = {} + + # Get "a" and "b" out of the way to do less comparisons in the next loop. Also make use of + # this loop to strip newlines off of all the rules. + for rule in rules: + rules[rules.index(rule)] = (rule[0], rule[1].strip()) + if len(rule[1]) == 4: + patterns[rule[0]] = [rule[1][1]] + + while len(patterns) != len(rules): + for rule in rules: + if rule[0] in patterns: + continue + + res = rule[1].split(" | ") + req_rules = list(OrderedDict.fromkeys(" ".join(res).split(" "))) + all_in = True + for req in req_rules: + if req not in patterns: + all_in = False + break + if all_in == True: + all_combos: list[str] = [] + for re in res: + re = re.split(" ") + if len(re) == 1: + all_combos.extend(patterns[re[0]]) + else: + for x in patterns[re[0]]: + for y in patterns[re[1]]: + all_combos.append(f"{x}{y}") + all_combos = list(OrderedDict.fromkeys(all_combos)) + + patterns[rule[0]] = all_combos + + print(len([test for test in tests if test in patterns["0"]])) + + +if __name__ == "__main__": + main() diff --git a/2020/19/puzzle-2.py b/2020/19/puzzle-2.py new file mode 100755 index 0000000..b0efe15 --- /dev/null +++ b/2020/19/puzzle-2.py @@ -0,0 +1,84 @@ +#!/usr/bin/env python3 + +from collections import OrderedDict +from re import search + + +def check(test: str, patterns: dict[str, list[str]]) -> bool: + chunks = string_divide(test, 8) + search_str = "" + + for chunk in chunks: + if chunk in patterns["42"]: + search_str += "0" + elif chunk in patterns["31"]: + search_str += "1" + else: + return False + + # 42 = 0, 31 = 1 + res = search(r"^(0)+(1)+$", search_str) + return not (not res or search_str.count("0") <= search_str.count("1")) + + +def string_divide(string: str, div: int) -> list[str]: + l: list[str] = [] + for i in range(0, len(string), div): + l.append(string[i : i + div]) + return l + + +def main() -> None: + with open("input", "r") as f: + data = f.readlines() + + i = 0 + rules: list[tuple[str]] = [] + while data[i] != "\n": + rules.append(tuple(x for x in tuple(data[i].split(": ")))) + i += 1 + + tests: list[str] = [] + for line in data: + tests.append(line.strip()) + + patterns: dict[str, list[str]] = {} + + # Get "a" and "b" out of the way to do less comparisons in the next loop. Also make use of + # this loop to strip newlines off of all the rules. + for rule in rules: + rules[rules.index(rule)] = (rule[0], rule[1].strip()) + if len(rule[1]) == 4: + patterns[rule[0]] = [rule[1][1]] + + while len(patterns) != len(rules): + for rule in rules: + if rule[0] in patterns: + continue + + res = rule[1].split(" | ") + req_rules = list(OrderedDict.fromkeys(" ".join(res).split(" "))) + all_in = True + for req in req_rules: + if req not in patterns: + all_in = False + break + if all_in == True: + all_combos: list[str] = [] + for re in res: + re = re.split(" ") + if len(re) == 1: + all_combos.extend(patterns[re[0]]) + else: + for x in patterns[re[0]]: + for y in patterns[re[1]]: + all_combos.append(f"{x}{y}") + all_combos = list(OrderedDict.fromkeys(all_combos)) + + patterns[rule[0]] = all_combos + + print(len([test for test in tests if check(test, patterns)])) + + +if __name__ == "__main__": + main() |