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authorThomas Voss <thomasvoss@live.com> 2021-10-29 23:02:39 +0200
committerThomas Voss <thomasvoss@live.com> 2021-10-29 23:02:39 +0200
commite7c9108b95e39d7ea5a29ae06d619c4727f11027 (patch)
tree237261eef3afd0720be77dbcbb9599fa66a24b67 /2015/03/puzzle-1.awk
Initial commit
Diffstat (limited to '2015/03/puzzle-1.awk')
-rw-r--r--2015/03/puzzle-1.awk6
1 files changed, 6 insertions, 0 deletions
diff --git a/2015/03/puzzle-1.awk b/2015/03/puzzle-1.awk
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+BEGIN { x = y = 1; homes[x][y] = 1; acc = 1 }
+$0 == "^" { if (!homes[x][++y]++) acc++; next }
+$0 == ">" { if (!homes[++x][y]++) acc++; next }
+$0 == "v" { if (!homes[x][--y]++) acc++; next }
+$0 == "<" { if (!homes[--x][y]++) acc++; next }
+END { print acc }