結果
問題 | No.1640 簡単な色塗り |
ユーザー | NatsubiSogan |
提出日時 | 2021-08-06 22:49:04 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 1,925 ms / 2,000 ms |
コード長 | 2,139 bytes |
コンパイル時間 | 447 ms |
コンパイル使用メモリ | 11,188 KB |
実行使用メモリ | 102,460 KB |
最終ジャッジ日時 | 2023-09-12 02:48:09 |
合計ジャッジ時間 | 51,726 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge12 |
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 | 19 ms
13,336 KB |
testcase_01 | AC | 20 ms
13,432 KB |
testcase_02 | AC | 19 ms
8,908 KB |
testcase_03 | AC | 19 ms
8,784 KB |
testcase_04 | AC | 1,027 ms
85,868 KB |
testcase_05 | AC | 1,147 ms
102,460 KB |
testcase_06 | AC | 19 ms
8,876 KB |
testcase_07 | AC | 20 ms
8,784 KB |
testcase_08 | AC | 20 ms
8,792 KB |
testcase_09 | AC | 19 ms
8,944 KB |
testcase_10 | AC | 926 ms
50,268 KB |
testcase_11 | AC | 738 ms
44,544 KB |
testcase_12 | AC | 626 ms
37,552 KB |
testcase_13 | AC | 1,362 ms
76,924 KB |
testcase_14 | AC | 1,464 ms
76,956 KB |
testcase_15 | AC | 453 ms
31,212 KB |
testcase_16 | AC | 642 ms
34,816 KB |
testcase_17 | AC | 1,092 ms
58,764 KB |
testcase_18 | AC | 95 ms
13,804 KB |
testcase_19 | AC | 627 ms
37,428 KB |
testcase_20 | AC | 844 ms
49,144 KB |
testcase_21 | AC | 643 ms
43,580 KB |
testcase_22 | AC | 70 ms
11,796 KB |
testcase_23 | AC | 964 ms
51,620 KB |
testcase_24 | AC | 234 ms
19,848 KB |
testcase_25 | AC | 623 ms
37,848 KB |
testcase_26 | AC | 1,097 ms
55,044 KB |
testcase_27 | AC | 442 ms
30,272 KB |
testcase_28 | AC | 1,356 ms
69,068 KB |
testcase_29 | AC | 1,093 ms
54,652 KB |
testcase_30 | AC | 210 ms
19,560 KB |
testcase_31 | AC | 1,875 ms
94,176 KB |
testcase_32 | AC | 1,408 ms
73,860 KB |
testcase_33 | AC | 979 ms
56,360 KB |
testcase_34 | AC | 1,178 ms
70,820 KB |
testcase_35 | AC | 911 ms
58,500 KB |
testcase_36 | AC | 227 ms
20,076 KB |
testcase_37 | AC | 279 ms
25,444 KB |
testcase_38 | AC | 1,590 ms
80,728 KB |
testcase_39 | AC | 542 ms
38,244 KB |
testcase_40 | AC | 553 ms
36,752 KB |
testcase_41 | AC | 1,175 ms
64,644 KB |
testcase_42 | AC | 637 ms
43,968 KB |
testcase_43 | AC | 724 ms
48,192 KB |
testcase_44 | AC | 677 ms
47,440 KB |
testcase_45 | AC | 502 ms
36,448 KB |
testcase_46 | AC | 220 ms
21,780 KB |
testcase_47 | AC | 138 ms
17,264 KB |
testcase_48 | AC | 1,543 ms
88,644 KB |
testcase_49 | AC | 64 ms
12,184 KB |
testcase_50 | AC | 19 ms
8,784 KB |
testcase_51 | AC | 20 ms
8,940 KB |
testcase_52 | AC | 1,925 ms
91,432 KB |
testcase_53 | AC | 1,838 ms
91,564 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] 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")