結果
問題 | No.1640 簡単な色塗り |
ユーザー | NatsubiSogan |
提出日時 | 2021-08-06 22:55:56 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 1,545 ms / 2,000 ms |
コード長 | 2,377 bytes |
コンパイル時間 | 97 ms |
コンパイル使用メモリ | 11,228 KB |
実行使用メモリ | 106,344 KB |
最終ジャッジ日時 | 2023-09-12 03:04:04 |
合計ジャッジ時間 | 44,555 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge13 |
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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 | 20 ms
8,788 KB |
testcase_01 | AC | 19 ms
8,788 KB |
testcase_02 | AC | 20 ms
8,780 KB |
testcase_03 | AC | 20 ms
8,852 KB |
testcase_04 | AC | 787 ms
85,876 KB |
testcase_05 | AC | 977 ms
106,344 KB |
testcase_06 | AC | 19 ms
8,860 KB |
testcase_07 | AC | 18 ms
8,912 KB |
testcase_08 | AC | 19 ms
8,860 KB |
testcase_09 | AC | 18 ms
8,924 KB |
testcase_10 | AC | 725 ms
50,328 KB |
testcase_11 | AC | 583 ms
44,396 KB |
testcase_12 | AC | 485 ms
37,636 KB |
testcase_13 | AC | 1,083 ms
76,944 KB |
testcase_14 | AC | 1,168 ms
76,684 KB |
testcase_15 | AC | 350 ms
31,208 KB |
testcase_16 | AC | 497 ms
34,668 KB |
testcase_17 | AC | 876 ms
58,932 KB |
testcase_18 | AC | 79 ms
13,684 KB |
testcase_19 | AC | 492 ms
37,464 KB |
testcase_20 | AC | 677 ms
49,280 KB |
testcase_21 | AC | 530 ms
43,652 KB |
testcase_22 | AC | 61 ms
11,812 KB |
testcase_23 | AC | 774 ms
51,532 KB |
testcase_24 | AC | 188 ms
20,032 KB |
testcase_25 | AC | 470 ms
37,728 KB |
testcase_26 | AC | 833 ms
55,228 KB |
testcase_27 | AC | 351 ms
30,308 KB |
testcase_28 | AC | 1,083 ms
69,060 KB |
testcase_29 | AC | 826 ms
54,764 KB |
testcase_30 | AC | 178 ms
19,956 KB |
testcase_31 | AC | 1,513 ms
96,976 KB |
testcase_32 | AC | 1,142 ms
75,464 KB |
testcase_33 | AC | 748 ms
57,720 KB |
testcase_34 | AC | 932 ms
73,040 KB |
testcase_35 | AC | 708 ms
60,048 KB |
testcase_36 | AC | 168 ms
20,432 KB |
testcase_37 | AC | 208 ms
26,016 KB |
testcase_38 | AC | 1,260 ms
82,332 KB |
testcase_39 | AC | 442 ms
39,288 KB |
testcase_40 | AC | 475 ms
37,072 KB |
testcase_41 | AC | 962 ms
65,940 KB |
testcase_42 | AC | 509 ms
44,388 KB |
testcase_43 | AC | 552 ms
49,256 KB |
testcase_44 | AC | 517 ms
48,540 KB |
testcase_45 | AC | 412 ms
37,472 KB |
testcase_46 | AC | 174 ms
22,404 KB |
testcase_47 | AC | 110 ms
17,568 KB |
testcase_48 | AC | 1,245 ms
91,236 KB |
testcase_49 | AC | 55 ms
12,108 KB |
testcase_50 | AC | 19 ms
8,912 KB |
testcase_51 | AC | 18 ms
8,924 KB |
testcase_52 | AC | 1,545 ms
93,236 KB |
testcase_53 | AC | 1,488 ms
93,348 KB |
07_evil_01.txt | TLE | - |
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()