結果
| 問題 |
No.1266 7 Colors
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-07-09 16:02:21 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,061 ms / 3,000 ms |
| コード長 | 2,206 bytes |
| コンパイル時間 | 352 ms |
| コンパイル使用メモリ | 82,292 KB |
| 実行使用メモリ | 97,624 KB |
| 最終ジャッジ日時 | 2024-12-31 03:02:12 |
| 合計ジャッジ時間 | 18,071 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 19 |
ソースコード
class UnionFind:
def __init__(self, n):
self.n = n
self.parents = [-1] * n
self.group = n
def find(self, x):
if self.parents[x] < 0:
return x
else:
self.parents[x] = self.find(self.parents[x])
return self.parents[x]
def union(self, x, y):
x = self.find(x)
y = self.find(y)
if x == y:
return
self.group -= 1
if self.parents[x] > self.parents[y]:
x, y = y, x
self.parents[x] += self.parents[y]
self.parents[y] = x
def size(self, x):
return -self.parents[self.find(x)]
def same(self, x, y):
return self.find(x) == self.find(y)
def members(self, x):
root = self.find(x)
return [i for i in range(self.n) if self.find(i) == root]
def roots(self):
return [i for i, x in enumerate(self.parents) if x < 0]
def group_count(self):
return self.group
def all_group_members(self):
dic = {r:[] for r in self.roots()}
for i in range(self.n):
dic[self.find(i)].append(i)
return dic
def __str__(self):
return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())
n, m, q = map(int, input().split())
S = [int(input()[::-1], 2) for _ in range(n)]
edges = [[] for _ in range(n)]
for _ in range(m):
u, v = map(int, input().split())
u -= 1
v -= 1
edges[u].append(v)
edges[v].append(u)
UF = UnionFind(7 * n)
for u in range(n):
for v in edges[u]:
for c in range(7):
if S[u] >> c & 1 and S[v] >> c & 1:
UF.union(7 * u + c, 7 * v + c)
for c in range(7):
c2 = (c + 1) % 7
if S[u] >> c & 1 and S[u] >> c2 & 1:
UF.union(7 * u + c, 7 * u + c2)
for _ in range(q):
t, x, y = map(int, input().split())
x -= 1
y -= 1
if t == 1:
S[x] |= 1 << y
for v in edges[x]:
if S[v] >> y & 1:
UF.union(7 * x + y, 7 * v + y)
for c in [(y - 1) % 7, (y + 1) % 7]:
if S[x] >> c & 1:
UF.union(7 * x + y, 7 * x + c)
else:
print(UF.size(7 * x))