diff options
Diffstat (limited to '2021')
| -rw-r--r-- | 2021/01/Makefile | 10 | ||||
| -rw-r--r-- | 2021/01/README | 3 | ||||
| -rw-r--r-- | 2021/01/puzzles.sh | 3 |
3 files changed, 12 insertions, 4 deletions
diff --git a/2021/01/Makefile b/2021/01/Makefile index 9f0c9fb..d6b3c62 100644 --- a/2021/01/Makefile +++ b/2021/01/Makefile @@ -1,8 +1,10 @@ all: - sed '/# START PART 2/,/# END PART 2/d' puzzles.py >puzzle-1.py - sed '/# START PART 1/,/# END PART 1/d' puzzles.py >puzzle-2.py - chmod +x puzzle-[12].py + for ext in py sh; do \ + m4 -D DELTA=1 puzzles.$$ext >puzzle-1.$$ext; \ + m4 -D DELTA=3 puzzles.$$ext >puzzle-2.$$ext; \ + done + chmod +x puzzle-[12].{py,sh} .PHONY: clean clean: - rm -f puzzle-[12].py + rm -f puzzle-[12].{py,sh} diff --git a/2021/01/README b/2021/01/README new file mode 100644 index 0000000..8f9110a --- /dev/null +++ b/2021/01/README @@ -0,0 +1,3 @@ +Originally written in Python because it's an easy language and I was speedcoding this at 6:00. In +hindsight this is a good shell script problem, so I wrote it again in that (it would have been my +goto language if I didn't have a python setup waiting for the clock to hit 6:00). diff --git a/2021/01/puzzles.sh b/2021/01/puzzles.sh new file mode 100644 index 0000000..9cf8043 --- /dev/null +++ b/2021/01/puzzles.sh @@ -0,0 +1,3 @@ +#!/usr/bin/env sh + +paste -s input | awk '{ for (i = 1; i < NF; i++) c += $i < $(i + DELTA) } END { print c }' |