結果
問題 | No.1640 簡単な色塗り |
ユーザー | NatsubiSogan |
提出日時 | 2021-08-06 22:56:05 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,377 bytes |
コンパイル時間 | 183 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 348,016 KB |
最終ジャッジ日時 | 2024-06-29 16:04:09 |
合計ジャッジ時間 | 53,061 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 38 ms
54,956 KB |
testcase_01 | AC | 36 ms
54,656 KB |
testcase_02 | AC | 37 ms
54,016 KB |
testcase_03 | AC | 37 ms
54,144 KB |
testcase_04 | AC | 265 ms
139,352 KB |
testcase_05 | AC | 895 ms
259,480 KB |
testcase_06 | AC | 40 ms
54,632 KB |
testcase_07 | AC | 38 ms
54,656 KB |
testcase_08 | AC | 36 ms
54,144 KB |
testcase_09 | AC | 38 ms
54,400 KB |
testcase_10 | AC | 888 ms
130,468 KB |
testcase_11 | AC | 708 ms
118,576 KB |
testcase_12 | AC | 653 ms
110,240 KB |
testcase_13 | AC | 1,058 ms
150,844 KB |
testcase_14 | AC | 1,076 ms
152,236 KB |
testcase_15 | AC | 545 ms
101,200 KB |
testcase_16 | AC | 620 ms
108,184 KB |
testcase_17 | AC | 959 ms
143,248 KB |
testcase_18 | AC | 234 ms
84,048 KB |
testcase_19 | AC | 659 ms
111,384 KB |
testcase_20 | AC | 818 ms
125,736 KB |
testcase_21 | AC | 718 ms
118,904 KB |
testcase_22 | AC | 200 ms
81,572 KB |
testcase_23 | AC | 903 ms
129,372 KB |
testcase_24 | AC | 378 ms
90,960 KB |
testcase_25 | AC | 700 ms
111,720 KB |
testcase_26 | AC | 971 ms
134,756 KB |
testcase_27 | AC | 539 ms
100,408 KB |
testcase_28 | AC | 1,056 ms
149,460 KB |
testcase_29 | AC | 945 ms
137,424 KB |
testcase_30 | AC | 414 ms
102,344 KB |
testcase_31 | TLE | - |
testcase_32 | AC | 1,942 ms
324,832 KB |
testcase_33 | AC | 1,064 ms
213,488 KB |
testcase_34 | AC | 1,287 ms
210,756 KB |
testcase_35 | AC | 1,315 ms
264,292 KB |
testcase_36 | AC | 450 ms
115,820 KB |
testcase_37 | AC | 451 ms
108,072 KB |
testcase_38 | AC | 1,679 ms
290,016 KB |
testcase_39 | AC | 943 ms
181,548 KB |
testcase_40 | AC | 817 ms
153,908 KB |
testcase_41 | AC | 1,480 ms
275,340 KB |
testcase_42 | AC | 907 ms
166,776 KB |
testcase_43 | AC | 1,016 ms
233,924 KB |
testcase_44 | AC | 1,104 ms
231,464 KB |
testcase_45 | AC | 621 ms
132,584 KB |
testcase_46 | AC | 409 ms
106,280 KB |
testcase_47 | AC | 280 ms
97,232 KB |
testcase_48 | AC | 1,415 ms
228,824 KB |
testcase_49 | AC | 173 ms
84,636 KB |
testcase_50 | AC | 36 ms
54,016 KB |
testcase_51 | AC | 37 ms
54,528 KB |
testcase_52 | AC | 1,925 ms
348,016 KB |
testcase_53 | TLE | - |
07_evil_01.txt | AC | 1,985 ms
252,716 KB |
07_evil_02.txt | TLE | - |
ソースコード
import sys sys.setrecursionlimit(10 ** 7) input = sys.stdin.buffer.readline #Union-Find class UnionFind(): def __init__(self, n: int) -> None: self.n = n self.par = list(range(self.n)) self.rank = [1] * self.n def find(self, x: int) -> int: if self.par[x] == x: return x else: self.par[x] = self.find(self.par[x]) return self.par[x] def unite(self, x: int, y: int) -> None: p = self.find(x) q = self.find(y) if p == q: return None if p > q: p, q = q, p self.rank[p] += self.rank[q] self.par[q] = p def same(self, x: int, y: int) -> bool: return self.find(x) == self.find(y) def size(self, x: int) -> int: return self.rank[x] def main(): n = int(input()) G = [[] for i in range(n)] UF = UnionFind(n) from collections import defaultdict ed_ind = defaultdict(list) for i in range(n): a, b = map(int, input().split()) if a > b: a, b = b, a G[a - 1].append(b - 1) G[b - 1].append(a - 1) UF.unite(a - 1, b - 1) ed_ind[(a - 1, b - 1)].append(i) done = [0] * n visit = [0] * n used = defaultdict(int) def dfs(v): visit[v] = 1 for u in G[v]: if not visit[u]: dfs(u) used[(min(u, v), max(u, v))] += 1 for i in range(n): dfs(i) def dfs2(v): for u in G[v]: if used[(min(u, v), max(u, v))] > 0: for i in ed_ind[(min(u, v), max(u, v))]: if ans[i] == 0: ans[i] = u + 1 dfs2(u) break ans = [0] * n for i in range(n): if not done[UF.find(i)]: for v in G[i]: if used[(min(v, i), max(v, i))] < len(ed_ind[(min(v, i), max(v, i))]): for x in ed_ind[(min(v, i), max(v, i))]: if ans[x] == 0: ans[x] = i + 1 dfs2(i) break done[UF.find(i)] = 1 break if any(i == 0 for i in ans) or len(set(ans)) != n: exit(print("No")) print("Yes") print(*ans, sep="\n") if __name__ == '__main__': main()