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| author | Gustav Sörnäs <gustav@sornas.net> | 2020-12-13 08:39:33 +0100 |
|---|---|---|
| committer | Gustav Sörnäs <gustav@sornas.net> | 2020-12-13 08:41:23 +0100 |
| commit | b3af8be870b0d64711cb795dc6462c767da726c1 (patch) | |
| tree | fe1978e4b3cefa9f400b8d3da995c8b27d7a94df /20 | |
| parent | a7f3b70e7312baf195ddfddd26e97cae53f88f38 (diff) | |
| download | aoc-b3af8be870b0d64711cb795dc6462c767da726c1.tar.gz | |
sum()
Diffstat (limited to '20')
| -rw-r--r-- | 20/py/d13.py | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/20/py/d13.py b/20/py/d13.py index fde95e9..e42372b 100644 --- a/20/py/d13.py +++ b/20/py/d13.py @@ -26,10 +26,8 @@ def pt2(_in): N = 1 for dep, bus in busses.items(): N *= bus - x = 0 - for dep, bus in busses.items(): - x += -dep * (N // bus) * mul_inv(N // bus, bus) - return x % N + return sum(-dep * (N // bus) * mul_inv(N // bus, bus) + for dep, bus in busses.items()) % N if __name__ == "__main__": |