結果
問題 | No.1254 補強への架け橋 |
ユーザー | 👑 rin204 |
提出日時 | 2022-01-27 22:20:12 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,195 bytes |
コンパイル時間 | 912 ms |
コンパイル使用メモリ | 81,920 KB |
実行使用メモリ | 177,836 KB |
最終ジャッジ日時 | 2024-06-07 19:58:50 |
合計ジャッジ時間 | 31,486 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
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 | WA | - |
testcase_01 | AC | 39 ms
52,864 KB |
testcase_02 | AC | 38 ms
52,224 KB |
testcase_03 | AC | 42 ms
52,096 KB |
testcase_04 | AC | 39 ms
52,096 KB |
testcase_05 | WA | - |
testcase_06 | AC | 40 ms
51,968 KB |
testcase_07 | AC | 39 ms
52,096 KB |
testcase_08 | WA | - |
testcase_09 | AC | 40 ms
52,224 KB |
testcase_10 | AC | 40 ms
52,224 KB |
testcase_11 | WA | - |
testcase_12 | AC | 40 ms
52,224 KB |
testcase_13 | WA | - |
testcase_14 | AC | 41 ms
52,608 KB |
testcase_15 | WA | - |
testcase_16 | AC | 42 ms
52,096 KB |
testcase_17 | AC | 40 ms
52,224 KB |
testcase_18 | AC | 41 ms
52,224 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 41 ms
52,736 KB |
testcase_22 | AC | 41 ms
52,224 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 41 ms
52,608 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | AC | 41 ms
52,608 KB |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | AC | 42 ms
53,248 KB |
testcase_35 | AC | 42 ms
53,120 KB |
testcase_36 | AC | 42 ms
52,736 KB |
testcase_37 | WA | - |
testcase_38 | AC | 42 ms
52,992 KB |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | AC | 40 ms
52,480 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | AC | 70 ms
67,072 KB |
testcase_52 | AC | 81 ms
67,456 KB |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | AC | 64 ms
65,536 KB |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | AC | 43 ms
53,120 KB |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | AC | 118 ms
76,672 KB |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | WA | - |
testcase_83 | WA | - |
testcase_84 | WA | - |
testcase_85 | WA | - |
testcase_86 | WA | - |
testcase_87 | AC | 362 ms
94,720 KB |
testcase_88 | WA | - |
testcase_89 | WA | - |
testcase_90 | WA | - |
testcase_91 | WA | - |
testcase_92 | WA | - |
testcase_93 | WA | - |
testcase_94 | WA | - |
testcase_95 | WA | - |
testcase_96 | WA | - |
testcase_97 | WA | - |
testcase_98 | WA | - |
testcase_99 | WA | - |
testcase_100 | WA | - |
testcase_101 | WA | - |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
testcase_106 | AC | 294 ms
86,656 KB |
testcase_107 | WA | - |
testcase_108 | WA | - |
testcase_109 | AC | 398 ms
93,088 KB |
testcase_110 | WA | - |
testcase_111 | WA | - |
testcase_112 | WA | - |
testcase_113 | WA | - |
testcase_114 | WA | - |
testcase_115 | WA | - |
testcase_116 | WA | - |
testcase_117 | WA | - |
testcase_118 | WA | - |
testcase_119 | WA | - |
testcase_120 | WA | - |
testcase_121 | AC | 228 ms
82,048 KB |
testcase_122 | WA | - |
testcase_123 | AC | 40 ms
52,224 KB |
testcase_124 | OLE | - |
testcase_125 | -- | - |
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 = int(input()) edges = [[] for _ in range(n)] UF = UnionFind(n) for i in range(1, n + 1): a, b = map(int, input().split()) a -= 1 b -= 1 if UF.same(a, b): aa, bb, ii = a, b, i else: UF.union(a, b) edges[a].append((b, i)) edges[b].append((a, i)) used = [False] * n used[0] = True stack = [0] parent = [-1] * n bind = [-1] * n dist = [0] * n while stack: pos = stack.pop() for npos, i in edges[pos]: if used[npos]: continue used[npos] = True bind[npos] = i dist[npos] = dist[pos] + 1 parent[npos] = pos stack.append(npos) ans = [ii] if dist[aa] < dist[bb]: aa, bb = bb, aa while dist[aa] != dist[bb]: ans.append(bind[aa]) aa = parent[aa] while aa != bb: ans.append(bind[aa]) aa = parent[aa] ans.append(bind[bb]) bb = parent[bb] print(ans, aa, bb) print(len(ans)) print(*ans)