diff options
| -rw-r--r-- | 2023/13/solve.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2023/13/solve.py b/2023/13/solve.py new file mode 100644 index 0000000..fc17d79 --- /dev/null +++ b/2023/13/solve.py @@ -0,0 +1,18 @@ +B = [l.splitlines() for l in open("input").read().strip().split("\n\n")] + + +def solve(ls, delta): + for row in range(1, len(ls)): + errors = 0 + for prev, next in zip(ls[:row][::-1], ls[row:]): + for p, n in zip(prev, next): + if p == n: + continue + errors += 1 + if errors == delta: + return row + return 0 + + +print(sum(solve([*zip(*ls)], 0) + solve(ls, 0) * 100 for ls in B)) +print(sum(solve([*zip(*ls)], 1) + solve(ls, 1) * 100 for ls in B)) |