diff options
Diffstat (limited to '2021/05/puzzles.awk')
| -rw-r--r-- | 2021/05/puzzles.awk | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/2021/05/puzzles.awk b/2021/05/puzzles.awk new file mode 100644 index 0000000..976b6aa --- /dev/null +++ b/2021/05/puzzles.awk @@ -0,0 +1,25 @@ +#!/usr/bin/env -S awk -f + +BEGIN { FS = ",| -> " } + +$1 == $3 && $2 <= $4 { for (i = $2; i <= $4; i++) grid[i][$1]++; next } +$1 == $3 { for (i = $4; i <= $2; i++) grid[i][$1]++; next } +$2 == $4 && $1 <= $3 { for (i = $1; i <= $3; i++) grid[$2][i]++; next } +$2 == $4 { for (i = $3; i <= $1; i++) grid[$2][i]++; next } + +# START PART 2 +$1 <= $3 && $2 <= $4 { while (!($1 > $3)) { grid[$2][$1]++; $1++; $2++ } next } +$1 <= $3 { while (!($1 > $3)) { grid[$2][$1]++; $1++; $2-- } next } +$2 <= $4 { while (!($1 < $3)) { grid[$2][$1]++; $1--; $2++ } next } + { while (!($1 < $3)) { grid[$2][$1]++; $1--; $2-- } next } +# END PART 2 + +END { + for (i = 0; i < 1000; i++) { + for (j = 0; j < 1000; j++) { + if (grid[i][j] > 1) + acc++ + } + } + print acc +} |