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09.1, 09.2 python fast 0.4s

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Fedor Lyanguzov
2024-12-09 18:13:50 +03:00
parent f648cb5aa4
commit af5cd4b3d8
1 changed files with 1 additions and 6 deletions
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09/09.py
+1 -6
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@@ -50,11 +50,7 @@ def fat(data):
emptys = dict(enumerate(emptys)) emptys = dict(enumerate(emptys))
return files, emptys return files, emptys
def t(files):
return sum(n*(s+e-1)*(e-s)//2 for n, s, e in files)
def f2(files, emptys): def f2(files, emptys):
M = len(emptys)
i = len(files)-1 i = len(files)-1
for _, s, e in reversed(files): for _, s, e in reversed(files):
for j, (l, r) in emptys.items(): for j, (l, r) in emptys.items():
@@ -67,9 +63,8 @@ def f2(files, emptys):
del emptys[j] del emptys[j]
else: else:
emptys[j][0] = l+e-s emptys[j][0] = l+e-s
i -= 1 i -= 1
return t(files) return sum(n*(s+e-1)*(e-s)//2 for n, s, e in files)
assert f2(*fat("2333133121414131402"))==2858 assert f2(*fat("2333133121414131402"))==2858