結果
問題 | No.1254 補強への架け橋 |
ユーザー | ああいい |
提出日時 | 2022-04-05 21:27:05 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 352 ms / 2,000 ms |
コード長 | 576 bytes |
コンパイル時間 | 300 ms |
コンパイル使用メモリ | 87,272 KB |
実行使用メモリ | 118,896 KB |
最終ジャッジ日時 | 2023-08-18 03:14:34 |
合計ジャッジ時間 | 26,822 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge11 |
(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 | 74 ms
71,456 KB |
testcase_01 | AC | 74 ms
71,372 KB |
testcase_02 | AC | 73 ms
71,448 KB |
testcase_03 | AC | 74 ms
71,576 KB |
testcase_04 | AC | 74 ms
71,272 KB |
testcase_05 | AC | 74 ms
71,520 KB |
testcase_06 | AC | 73 ms
71,488 KB |
testcase_07 | AC | 75 ms
71,124 KB |
testcase_08 | AC | 74 ms
71,304 KB |
testcase_09 | AC | 74 ms
71,496 KB |
testcase_10 | AC | 75 ms
71,600 KB |
testcase_11 | AC | 74 ms
71,444 KB |
testcase_12 | AC | 73 ms
71,476 KB |
testcase_13 | AC | 74 ms
71,428 KB |
testcase_14 | AC | 75 ms
71,132 KB |
testcase_15 | AC | 73 ms
71,444 KB |
testcase_16 | AC | 74 ms
71,412 KB |
testcase_17 | AC | 74 ms
71,636 KB |
testcase_18 | AC | 74 ms
71,392 KB |
testcase_19 | AC | 75 ms
71,644 KB |
testcase_20 | AC | 75 ms
71,292 KB |
testcase_21 | AC | 73 ms
71,572 KB |
testcase_22 | AC | 73 ms
71,304 KB |
testcase_23 | AC | 75 ms
71,484 KB |
testcase_24 | AC | 75 ms
71,420 KB |
testcase_25 | AC | 73 ms
71,388 KB |
testcase_26 | AC | 76 ms
71,284 KB |
testcase_27 | AC | 73 ms
71,540 KB |
testcase_28 | AC | 75 ms
71,328 KB |
testcase_29 | AC | 75 ms
71,420 KB |
testcase_30 | AC | 73 ms
71,264 KB |
testcase_31 | AC | 73 ms
71,128 KB |
testcase_32 | AC | 74 ms
71,432 KB |
testcase_33 | AC | 76 ms
71,420 KB |
testcase_34 | AC | 74 ms
71,328 KB |
testcase_35 | AC | 74 ms
71,304 KB |
testcase_36 | AC | 73 ms
71,192 KB |
testcase_37 | AC | 74 ms
71,396 KB |
testcase_38 | AC | 76 ms
71,200 KB |
testcase_39 | AC | 76 ms
71,556 KB |
testcase_40 | AC | 75 ms
71,296 KB |
testcase_41 | AC | 74 ms
71,216 KB |
testcase_42 | AC | 74 ms
71,416 KB |
testcase_43 | AC | 91 ms
76,584 KB |
testcase_44 | AC | 79 ms
71,424 KB |
testcase_45 | AC | 78 ms
71,480 KB |
testcase_46 | AC | 91 ms
76,416 KB |
testcase_47 | AC | 81 ms
71,268 KB |
testcase_48 | AC | 88 ms
76,040 KB |
testcase_49 | AC | 76 ms
71,588 KB |
testcase_50 | AC | 93 ms
76,352 KB |
testcase_51 | AC | 91 ms
76,376 KB |
testcase_52 | AC | 93 ms
76,364 KB |
testcase_53 | AC | 90 ms
76,068 KB |
testcase_54 | AC | 94 ms
76,644 KB |
testcase_55 | AC | 92 ms
76,432 KB |
testcase_56 | AC | 78 ms
71,492 KB |
testcase_57 | AC | 86 ms
75,980 KB |
testcase_58 | AC | 87 ms
76,212 KB |
testcase_59 | AC | 75 ms
71,492 KB |
testcase_60 | AC | 81 ms
71,324 KB |
testcase_61 | AC | 89 ms
76,140 KB |
testcase_62 | AC | 77 ms
71,308 KB |
testcase_63 | AC | 141 ms
79,496 KB |
testcase_64 | AC | 123 ms
78,352 KB |
testcase_65 | AC | 133 ms
78,564 KB |
testcase_66 | AC | 131 ms
78,864 KB |
testcase_67 | AC | 119 ms
78,536 KB |
testcase_68 | AC | 134 ms
78,900 KB |
testcase_69 | AC | 135 ms
78,700 KB |
testcase_70 | AC | 125 ms
78,480 KB |
testcase_71 | AC | 122 ms
78,444 KB |
testcase_72 | AC | 135 ms
78,984 KB |
testcase_73 | AC | 123 ms
78,476 KB |
testcase_74 | AC | 134 ms
78,684 KB |
testcase_75 | AC | 127 ms
78,796 KB |
testcase_76 | AC | 109 ms
77,684 KB |
testcase_77 | AC | 128 ms
78,892 KB |
testcase_78 | AC | 138 ms
79,292 KB |
testcase_79 | AC | 139 ms
79,180 KB |
testcase_80 | AC | 133 ms
79,176 KB |
testcase_81 | AC | 139 ms
79,164 KB |
testcase_82 | AC | 137 ms
79,112 KB |
testcase_83 | AC | 350 ms
115,672 KB |
testcase_84 | AC | 329 ms
112,756 KB |
testcase_85 | AC | 242 ms
99,988 KB |
testcase_86 | AC | 298 ms
107,444 KB |
testcase_87 | AC | 317 ms
110,652 KB |
testcase_88 | AC | 147 ms
80,256 KB |
testcase_89 | AC | 352 ms
115,512 KB |
testcase_90 | AC | 253 ms
100,296 KB |
testcase_91 | AC | 229 ms
96,504 KB |
testcase_92 | AC | 173 ms
85,916 KB |
testcase_93 | AC | 294 ms
107,268 KB |
testcase_94 | AC | 277 ms
104,376 KB |
testcase_95 | AC | 275 ms
104,324 KB |
testcase_96 | AC | 328 ms
111,968 KB |
testcase_97 | AC | 198 ms
91,108 KB |
testcase_98 | AC | 337 ms
111,948 KB |
testcase_99 | AC | 240 ms
98,028 KB |
testcase_100 | AC | 349 ms
113,360 KB |
testcase_101 | AC | 170 ms
85,352 KB |
testcase_102 | AC | 139 ms
79,788 KB |
testcase_103 | AC | 164 ms
85,888 KB |
testcase_104 | AC | 188 ms
88,756 KB |
testcase_105 | AC | 290 ms
107,172 KB |
testcase_106 | AC | 217 ms
94,924 KB |
testcase_107 | AC | 346 ms
115,196 KB |
testcase_108 | AC | 342 ms
114,856 KB |
testcase_109 | AC | 291 ms
106,848 KB |
testcase_110 | AC | 273 ms
104,356 KB |
testcase_111 | AC | 284 ms
103,840 KB |
testcase_112 | AC | 177 ms
88,396 KB |
testcase_113 | AC | 272 ms
104,164 KB |
testcase_114 | AC | 207 ms
93,396 KB |
testcase_115 | AC | 152 ms
82,748 KB |
testcase_116 | AC | 226 ms
96,132 KB |
testcase_117 | AC | 183 ms
88,464 KB |
testcase_118 | AC | 317 ms
111,884 KB |
testcase_119 | AC | 232 ms
97,948 KB |
testcase_120 | AC | 316 ms
110,736 KB |
testcase_121 | AC | 171 ms
86,240 KB |
testcase_122 | AC | 218 ms
96,236 KB |
testcase_123 | AC | 71 ms
71,128 KB |
testcase_124 | AC | 289 ms
118,616 KB |
testcase_125 | AC | 303 ms
118,896 KB |
ソースコード
N = int(input()) Gnum = [0] * (N + 1) edge = [] G = [[] for _ in range(N+1)] for _ in range(N): a,b = map(int,input().split()) Gnum[a] += 1 Gnum[b] += 1 edge.append((a,b)) G[a].append((b,_+1)) G[b].append((a,_+1)) ans = set(range(1,N+1)) top = [] for i in range(1,N+1): if Gnum[i] == 1: top.append(i) Gnum[i] -= 1 while top: now = top.pop() for v,index in G[now]: Gnum[v] -= 1 ans.discard(index) if Gnum[v] == 1: Gnum[v] = 0 top.append(v) print(len(ans)) print(*sorted(ans))