結果
問題 |
No.1266 7 Colors
|
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))