結果
問題 | No.1254 補強への架け橋 |
ユーザー | qib |
提出日時 | 2022-10-17 16:06:20 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 331 ms / 2,000 ms |
コード長 | 710 bytes |
コンパイル時間 | 442 ms |
コンパイル使用メモリ | 87,320 KB |
実行使用メモリ | 105,152 KB |
最終ジャッジ日時 | 2023-09-10 15:22:19 |
合計ジャッジ時間 | 28,612 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge14 |
(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 | AC | 95 ms
71,688 KB |
testcase_01 | AC | 95 ms
71,584 KB |
testcase_02 | AC | 96 ms
71,812 KB |
testcase_03 | AC | 94 ms
71,596 KB |
testcase_04 | AC | 96 ms
71,268 KB |
testcase_05 | AC | 96 ms
71,504 KB |
testcase_06 | AC | 96 ms
71,752 KB |
testcase_07 | AC | 96 ms
71,728 KB |
testcase_08 | AC | 95 ms
71,672 KB |
testcase_09 | AC | 95 ms
71,272 KB |
testcase_10 | AC | 94 ms
71,616 KB |
testcase_11 | AC | 95 ms
71,428 KB |
testcase_12 | AC | 94 ms
71,616 KB |
testcase_13 | AC | 96 ms
71,384 KB |
testcase_14 | AC | 95 ms
71,764 KB |
testcase_15 | AC | 94 ms
71,560 KB |
testcase_16 | AC | 94 ms
71,768 KB |
testcase_17 | AC | 96 ms
71,728 KB |
testcase_18 | AC | 94 ms
71,380 KB |
testcase_19 | AC | 98 ms
71,740 KB |
testcase_20 | AC | 98 ms
71,612 KB |
testcase_21 | AC | 97 ms
71,768 KB |
testcase_22 | AC | 95 ms
71,580 KB |
testcase_23 | AC | 95 ms
71,752 KB |
testcase_24 | AC | 96 ms
71,352 KB |
testcase_25 | AC | 96 ms
71,384 KB |
testcase_26 | AC | 95 ms
71,808 KB |
testcase_27 | AC | 95 ms
71,724 KB |
testcase_28 | AC | 96 ms
71,812 KB |
testcase_29 | AC | 95 ms
71,692 KB |
testcase_30 | AC | 93 ms
71,708 KB |
testcase_31 | AC | 94 ms
71,568 KB |
testcase_32 | AC | 92 ms
71,612 KB |
testcase_33 | AC | 96 ms
71,500 KB |
testcase_34 | AC | 97 ms
71,608 KB |
testcase_35 | AC | 96 ms
71,716 KB |
testcase_36 | AC | 93 ms
71,616 KB |
testcase_37 | AC | 95 ms
71,692 KB |
testcase_38 | AC | 95 ms
71,264 KB |
testcase_39 | AC | 95 ms
71,500 KB |
testcase_40 | AC | 95 ms
71,592 KB |
testcase_41 | AC | 95 ms
71,752 KB |
testcase_42 | AC | 95 ms
71,700 KB |
testcase_43 | AC | 116 ms
77,068 KB |
testcase_44 | AC | 104 ms
72,360 KB |
testcase_45 | AC | 103 ms
72,200 KB |
testcase_46 | AC | 111 ms
76,604 KB |
testcase_47 | AC | 103 ms
72,216 KB |
testcase_48 | AC | 111 ms
76,728 KB |
testcase_49 | AC | 95 ms
71,412 KB |
testcase_50 | AC | 116 ms
77,168 KB |
testcase_51 | AC | 115 ms
77,100 KB |
testcase_52 | AC | 116 ms
77,268 KB |
testcase_53 | AC | 109 ms
76,884 KB |
testcase_54 | AC | 114 ms
77,040 KB |
testcase_55 | AC | 113 ms
76,904 KB |
testcase_56 | AC | 96 ms
71,512 KB |
testcase_57 | AC | 108 ms
76,432 KB |
testcase_58 | AC | 106 ms
76,476 KB |
testcase_59 | AC | 97 ms
71,412 KB |
testcase_60 | AC | 101 ms
72,244 KB |
testcase_61 | AC | 112 ms
76,672 KB |
testcase_62 | AC | 97 ms
71,728 KB |
testcase_63 | AC | 159 ms
79,988 KB |
testcase_64 | AC | 144 ms
79,008 KB |
testcase_65 | AC | 154 ms
79,756 KB |
testcase_66 | AC | 153 ms
79,332 KB |
testcase_67 | AC | 140 ms
78,444 KB |
testcase_68 | AC | 150 ms
79,524 KB |
testcase_69 | AC | 156 ms
79,700 KB |
testcase_70 | AC | 148 ms
78,836 KB |
testcase_71 | AC | 144 ms
79,160 KB |
testcase_72 | AC | 157 ms
79,560 KB |
testcase_73 | AC | 146 ms
78,728 KB |
testcase_74 | AC | 158 ms
79,996 KB |
testcase_75 | AC | 153 ms
79,036 KB |
testcase_76 | AC | 130 ms
78,440 KB |
testcase_77 | AC | 151 ms
79,228 KB |
testcase_78 | AC | 158 ms
80,044 KB |
testcase_79 | AC | 159 ms
80,012 KB |
testcase_80 | AC | 159 ms
80,084 KB |
testcase_81 | AC | 160 ms
79,772 KB |
testcase_82 | AC | 158 ms
80,324 KB |
testcase_83 | AC | 331 ms
96,916 KB |
testcase_84 | AC | 328 ms
95,996 KB |
testcase_85 | AC | 245 ms
89,384 KB |
testcase_86 | AC | 287 ms
92,212 KB |
testcase_87 | AC | 310 ms
94,608 KB |
testcase_88 | AC | 167 ms
80,288 KB |
testcase_89 | AC | 324 ms
96,876 KB |
testcase_90 | AC | 247 ms
90,240 KB |
testcase_91 | AC | 224 ms
86,396 KB |
testcase_92 | AC | 183 ms
82,460 KB |
testcase_93 | AC | 278 ms
91,916 KB |
testcase_94 | AC | 262 ms
91,768 KB |
testcase_95 | AC | 266 ms
92,156 KB |
testcase_96 | AC | 312 ms
95,212 KB |
testcase_97 | AC | 210 ms
86,812 KB |
testcase_98 | AC | 309 ms
95,492 KB |
testcase_99 | AC | 236 ms
87,264 KB |
testcase_100 | AC | 329 ms
97,632 KB |
testcase_101 | AC | 177 ms
81,756 KB |
testcase_102 | AC | 162 ms
80,152 KB |
testcase_103 | AC | 179 ms
82,324 KB |
testcase_104 | AC | 199 ms
85,424 KB |
testcase_105 | AC | 271 ms
92,036 KB |
testcase_106 | AC | 222 ms
86,352 KB |
testcase_107 | AC | 327 ms
97,112 KB |
testcase_108 | AC | 323 ms
96,624 KB |
testcase_109 | AC | 277 ms
91,836 KB |
testcase_110 | AC | 260 ms
91,856 KB |
testcase_111 | AC | 266 ms
91,588 KB |
testcase_112 | AC | 196 ms
85,188 KB |
testcase_113 | AC | 251 ms
91,596 KB |
testcase_114 | AC | 214 ms
86,248 KB |
testcase_115 | AC | 163 ms
80,272 KB |
testcase_116 | AC | 216 ms
87,020 KB |
testcase_117 | AC | 195 ms
85,344 KB |
testcase_118 | AC | 303 ms
94,836 KB |
testcase_119 | AC | 231 ms
87,292 KB |
testcase_120 | AC | 295 ms
94,252 KB |
testcase_121 | AC | 189 ms
83,844 KB |
testcase_122 | AC | 224 ms
86,784 KB |
testcase_123 | AC | 95 ms
71,728 KB |
testcase_124 | AC | 293 ms
105,152 KB |
testcase_125 | AC | 290 ms
105,076 KB |
ソースコード
from collections import deque n = int(input()) g = [[] for _ in range(n)] edges = [] for _ in range(n): a, b = map(int, input().split()) a -= 1 b -= 1 g[a].append(b) g[b].append(a) edges.append((a, b)) dq = deque() deg = [len(g[v]) for v in range(n)] used = [False for _ in range(n)] for v in range(n): if deg[v] == 1: deg[v] -= 1 used[v] = True dq.appendleft(v) while len(dq) > 0: cur = dq.pop() for nxt in g[cur]: if used[nxt]: continue deg[nxt] -= 1 if deg[nxt] == 1: deg[nxt] -= 1 used[nxt] = True dq.appendleft(nxt) ans = [] for i in range(len(edges)): a, b = edges[i] if not used[a] and not used[b]: ans.append(i + 1) print(len(ans)) print(*ans, sep=" ")