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fix ACL
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a01sa01to committed Aug 2, 2024
1 parent a72caf1 commit 17444bf
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71 changes: 70 additions & 1 deletion minimum-changes-on-bipartite-coloring/sol-cpy-ac/main.py
Original file line number Diff line number Diff line change
@@ -1,7 +1,76 @@
#!/usr/bin/python3

from sys import stdin
from atcoder.dsu import DSU

import typing


# ac-library python
class DSU:
"""
Implement (union by size) + (path halving)
Reference:
Zvi Galil and Giuseppe F. Italiano,
Data structures and algorithms for disjoint set union problems
"""

def __init__(self, n: int = 0) -> None:
self._n = n
self.parent_or_size = [-1] * n

def merge(self, a: int, b: int) -> int:
assert 0 <= a < self._n
assert 0 <= b < self._n

x = self.leader(a)
y = self.leader(b)

if x == y:
return x

if -self.parent_or_size[x] < -self.parent_or_size[y]:
x, y = y, x

self.parent_or_size[x] += self.parent_or_size[y]
self.parent_or_size[y] = x

return x

def same(self, a: int, b: int) -> bool:
assert 0 <= a < self._n
assert 0 <= b < self._n

return self.leader(a) == self.leader(b)

def leader(self, a: int) -> int:
assert 0 <= a < self._n

parent = self.parent_or_size[a]
while parent >= 0:
if self.parent_or_size[parent] < 0:
return parent
self.parent_or_size[a], a, parent = (
self.parent_or_size[parent],
self.parent_or_size[parent],
self.parent_or_size[self.parent_or_size[parent]],
)

return a

def size(self, a: int) -> int:
assert 0 <= a < self._n

return -self.parent_or_size[self.leader(a)]

def groups(self) -> typing.List[typing.List[int]]:
leader_buf = [self.leader(i) for i in range(self._n)]

result: typing.List[typing.List[int]] = [[] for _ in range(self._n)]
for i in range(self._n):
result[leader_buf[i]].append(i)

return list(filter(lambda r: r, result))


def main():
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71 changes: 70 additions & 1 deletion minimum-changes-on-bipartite-coloring/sol-pypy-ac/main.py
Original file line number Diff line number Diff line change
@@ -1,7 +1,76 @@
#!/usr/bin/env pypy

from sys import stdin
from atcoder.dsu import DSU

import typing


# ac-library python
class DSU:
"""
Implement (union by size) + (path halving)
Reference:
Zvi Galil and Giuseppe F. Italiano,
Data structures and algorithms for disjoint set union problems
"""

def __init__(self, n: int = 0) -> None:
self._n = n
self.parent_or_size = [-1] * n

def merge(self, a: int, b: int) -> int:
assert 0 <= a < self._n
assert 0 <= b < self._n

x = self.leader(a)
y = self.leader(b)

if x == y:
return x

if -self.parent_or_size[x] < -self.parent_or_size[y]:
x, y = y, x

self.parent_or_size[x] += self.parent_or_size[y]
self.parent_or_size[y] = x

return x

def same(self, a: int, b: int) -> bool:
assert 0 <= a < self._n
assert 0 <= b < self._n

return self.leader(a) == self.leader(b)

def leader(self, a: int) -> int:
assert 0 <= a < self._n

parent = self.parent_or_size[a]
while parent >= 0:
if self.parent_or_size[parent] < 0:
return parent
self.parent_or_size[a], a, parent = (
self.parent_or_size[parent],
self.parent_or_size[parent],
self.parent_or_size[self.parent_or_size[parent]],
)

return a

def size(self, a: int) -> int:
assert 0 <= a < self._n

return -self.parent_or_size[self.leader(a)]

def groups(self) -> typing.List[typing.List[int]]:
leader_buf = [self.leader(i) for i in range(self._n)]

result: typing.List[typing.List[int]] = [[] for _ in range(self._n)]
for i in range(self._n):
result[leader_buf[i]].append(i)

return list(filter(lambda r: r, result))


def main():
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1 change: 0 additions & 1 deletion requirements.lock
Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
ac-library-python==0.0.1
bitarray==2.9.2
certifi==2024.2.2
charset-normalizer==3.3.2
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1 change: 0 additions & 1 deletion requirements.txt
Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
rime~=2.1.0
git+https://github.com/not522/ac-library-python
numpy
scipy
networkx
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