結果
問題 | No.1254 補強への架け橋 |
ユーザー | Kude |
提出日時 | 2020-10-09 22:55:51 |
言語 | PyPy3 (7.3.15) |
結果 |
RE
|
実行時間 | - |
コード長 | 1,006 bytes |
コンパイル時間 | 322 ms |
コンパイル使用メモリ | 87,120 KB |
実行使用メモリ | 131,104 KB |
最終ジャッジ日時 | 2023-09-27 19:03:47 |
合計ジャッジ時間 | 32,415 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge12 |
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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 | 67 ms
71,164 KB |
testcase_01 | AC | 67 ms
71,328 KB |
testcase_02 | AC | 66 ms
71,116 KB |
testcase_03 | AC | 64 ms
71,156 KB |
testcase_04 | AC | 66 ms
71,000 KB |
testcase_05 | AC | 66 ms
71,160 KB |
testcase_06 | AC | 64 ms
71,396 KB |
testcase_07 | AC | 65 ms
70,952 KB |
testcase_08 | AC | 64 ms
71,228 KB |
testcase_09 | AC | 65 ms
71,324 KB |
testcase_10 | AC | 66 ms
71,124 KB |
testcase_11 | AC | 65 ms
71,396 KB |
testcase_12 | AC | 64 ms
71,236 KB |
testcase_13 | AC | 65 ms
71,116 KB |
testcase_14 | AC | 68 ms
71,248 KB |
testcase_15 | AC | 65 ms
71,224 KB |
testcase_16 | AC | 66 ms
71,136 KB |
testcase_17 | AC | 66 ms
71,360 KB |
testcase_18 | AC | 65 ms
71,208 KB |
testcase_19 | AC | 66 ms
71,236 KB |
testcase_20 | AC | 67 ms
71,532 KB |
testcase_21 | AC | 67 ms
71,268 KB |
testcase_22 | AC | 68 ms
71,248 KB |
testcase_23 | AC | 66 ms
71,324 KB |
testcase_24 | AC | 68 ms
71,120 KB |
testcase_25 | AC | 68 ms
71,188 KB |
testcase_26 | AC | 66 ms
71,316 KB |
testcase_27 | AC | 67 ms
71,116 KB |
testcase_28 | AC | 69 ms
71,376 KB |
testcase_29 | AC | 66 ms
71,448 KB |
testcase_30 | AC | 66 ms
71,232 KB |
testcase_31 | AC | 67 ms
71,112 KB |
testcase_32 | AC | 69 ms
71,316 KB |
testcase_33 | AC | 68 ms
71,336 KB |
testcase_34 | AC | 67 ms
71,404 KB |
testcase_35 | AC | 70 ms
71,156 KB |
testcase_36 | AC | 69 ms
71,320 KB |
testcase_37 | AC | 66 ms
71,400 KB |
testcase_38 | AC | 65 ms
71,348 KB |
testcase_39 | AC | 68 ms
71,240 KB |
testcase_40 | AC | 66 ms
70,996 KB |
testcase_41 | AC | 69 ms
71,492 KB |
testcase_42 | AC | 75 ms
71,272 KB |
testcase_43 | AC | 82 ms
75,724 KB |
testcase_44 | AC | 72 ms
71,272 KB |
testcase_45 | AC | 70 ms
71,320 KB |
testcase_46 | AC | 80 ms
75,988 KB |
testcase_47 | AC | 73 ms
71,060 KB |
testcase_48 | AC | 87 ms
76,376 KB |
testcase_49 | AC | 71 ms
71,308 KB |
testcase_50 | AC | 88 ms
76,084 KB |
testcase_51 | AC | 88 ms
76,536 KB |
testcase_52 | AC | 93 ms
76,504 KB |
testcase_53 | AC | 87 ms
75,948 KB |
testcase_54 | AC | 93 ms
76,512 KB |
testcase_55 | AC | 79 ms
75,300 KB |
testcase_56 | AC | 68 ms
71,248 KB |
testcase_57 | AC | 79 ms
75,160 KB |
testcase_58 | AC | 75 ms
75,316 KB |
testcase_59 | AC | 66 ms
71,324 KB |
testcase_60 | AC | 70 ms
71,072 KB |
testcase_61 | AC | 84 ms
75,244 KB |
testcase_62 | AC | 69 ms
71,376 KB |
testcase_63 | AC | 167 ms
84,204 KB |
testcase_64 | AC | 124 ms
79,304 KB |
testcase_65 | AC | 153 ms
83,092 KB |
testcase_66 | AC | 147 ms
81,968 KB |
testcase_67 | AC | 121 ms
78,960 KB |
testcase_68 | AC | 146 ms
82,204 KB |
testcase_69 | AC | 158 ms
83,000 KB |
testcase_70 | AC | 140 ms
80,424 KB |
testcase_71 | AC | 120 ms
78,608 KB |
testcase_72 | AC | 151 ms
84,428 KB |
testcase_73 | AC | 138 ms
79,964 KB |
testcase_74 | AC | 149 ms
83,444 KB |
testcase_75 | AC | 144 ms
81,388 KB |
testcase_76 | AC | 101 ms
78,268 KB |
testcase_77 | AC | 150 ms
82,460 KB |
testcase_78 | AC | 179 ms
84,164 KB |
testcase_79 | AC | 164 ms
84,112 KB |
testcase_80 | AC | 161 ms
83,824 KB |
testcase_81 | AC | 165 ms
84,356 KB |
testcase_82 | AC | 156 ms
83,340 KB |
testcase_83 | AC | 537 ms
130,532 KB |
testcase_84 | AC | 531 ms
123,388 KB |
testcase_85 | AC | 353 ms
105,664 KB |
testcase_86 | AC | 462 ms
116,208 KB |
testcase_87 | AC | 522 ms
119,884 KB |
testcase_88 | AC | 183 ms
87,088 KB |
testcase_89 | AC | 540 ms
129,560 KB |
testcase_90 | AC | 380 ms
109,084 KB |
testcase_91 | AC | 319 ms
102,096 KB |
testcase_92 | AC | 219 ms
94,504 KB |
testcase_93 | AC | 439 ms
115,268 KB |
testcase_94 | AC | 403 ms
113,012 KB |
testcase_95 | AC | 415 ms
113,072 KB |
testcase_96 | AC | 503 ms
122,848 KB |
testcase_97 | AC | 334 ms
98,060 KB |
testcase_98 | AC | 527 ms
122,576 KB |
testcase_99 | AC | 366 ms
104,592 KB |
testcase_100 | AC | 591 ms
131,104 KB |
testcase_101 | AC | 242 ms
93,140 KB |
testcase_102 | AC | 181 ms
85,064 KB |
testcase_103 | AC | 229 ms
93,440 KB |
testcase_104 | AC | 291 ms
95,568 KB |
testcase_105 | AC | 455 ms
115,464 KB |
testcase_106 | AC | 305 ms
99,352 KB |
testcase_107 | AC | 553 ms
129,472 KB |
testcase_108 | AC | 546 ms
124,904 KB |
testcase_109 | AC | 450 ms
114,980 KB |
testcase_110 | AC | 434 ms
112,856 KB |
testcase_111 | AC | 418 ms
113,080 KB |
testcase_112 | AC | 263 ms
94,684 KB |
testcase_113 | AC | 435 ms
112,604 KB |
testcase_114 | AC | 311 ms
98,248 KB |
testcase_115 | AC | 193 ms
87,308 KB |
testcase_116 | AC | 342 ms
101,984 KB |
testcase_117 | AC | 260 ms
94,840 KB |
testcase_118 | AC | 530 ms
122,476 KB |
testcase_119 | AC | 346 ms
104,044 KB |
testcase_120 | AC | 485 ms
120,036 KB |
testcase_121 | AC | 240 ms
94,208 KB |
testcase_122 | AC | 326 ms
101,976 KB |
testcase_123 | AC | 67 ms
71,524 KB |
testcase_124 | RE | - |
testcase_125 | RE | - |
ソースコード
n = int(input()) to = [[] for _ in range(n)] bmap = {} for i in range(1, n+1): a, b = map(int, input().split()) a -= 1 b -= 1 to[a].append(b) to[b].append(a) bmap[(a, b)] = bmap[(b, a)] = i num = [-1] * n low = [-1] * n visited = [False] * n ans = 0 nm = 1 def dfs(v, p=-1): global nm visited[v] = True num[v] = nm nm += 1 lw = num[v] for w in to[v]: if w == p: continue if not visited[w]: dfs(w, v) lw = min(lw, low[w]) else: lw = min(lw, num[w]) low[v] = lw dfs(0) ans = set(range(1, n+1)) visited = [False] * n def dfs2(v, p=-1): visited[v] = True for w in to[v]: if w == p: continue if not visited[w]: dfs2(w, v) if low[w] > num[v]: if (v, w) in bmap: tmp = bmap[(v, w)] if tmp in ans: ans.remove(tmp) dfs2(0) print(len(ans)) print(*ans)