結果
問題 | No.1254 補強への架け橋 |
ユーザー | rlangevin |
提出日時 | 2023-05-19 12:24:53 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 228 ms / 2,000 ms |
コード長 | 569 bytes |
コンパイル時間 | 506 ms |
コンパイル使用メモリ | 86,988 KB |
実行使用メモリ | 110,428 KB |
最終ジャッジ日時 | 2023-08-22 19:01:23 |
合計ジャッジ時間 | 26,303 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge11 |
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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 | 68 ms
71,172 KB |
testcase_01 | AC | 69 ms
71,380 KB |
testcase_02 | AC | 69 ms
71,312 KB |
testcase_03 | AC | 69 ms
71,464 KB |
testcase_04 | AC | 70 ms
71,216 KB |
testcase_05 | AC | 71 ms
71,092 KB |
testcase_06 | AC | 71 ms
71,512 KB |
testcase_07 | AC | 70 ms
71,412 KB |
testcase_08 | AC | 69 ms
71,184 KB |
testcase_09 | AC | 71 ms
71,284 KB |
testcase_10 | AC | 71 ms
71,392 KB |
testcase_11 | AC | 71 ms
71,240 KB |
testcase_12 | AC | 70 ms
71,324 KB |
testcase_13 | AC | 70 ms
71,264 KB |
testcase_14 | AC | 70 ms
71,292 KB |
testcase_15 | AC | 71 ms
71,120 KB |
testcase_16 | AC | 70 ms
71,320 KB |
testcase_17 | AC | 69 ms
71,316 KB |
testcase_18 | AC | 68 ms
71,388 KB |
testcase_19 | AC | 67 ms
70,972 KB |
testcase_20 | AC | 77 ms
71,312 KB |
testcase_21 | AC | 69 ms
71,136 KB |
testcase_22 | AC | 69 ms
71,236 KB |
testcase_23 | AC | 68 ms
71,184 KB |
testcase_24 | AC | 70 ms
71,104 KB |
testcase_25 | AC | 69 ms
71,108 KB |
testcase_26 | AC | 69 ms
70,956 KB |
testcase_27 | AC | 70 ms
71,296 KB |
testcase_28 | AC | 70 ms
71,292 KB |
testcase_29 | AC | 70 ms
71,292 KB |
testcase_30 | AC | 70 ms
71,280 KB |
testcase_31 | AC | 70 ms
71,132 KB |
testcase_32 | AC | 70 ms
71,280 KB |
testcase_33 | AC | 69 ms
71,140 KB |
testcase_34 | AC | 70 ms
71,104 KB |
testcase_35 | AC | 70 ms
71,244 KB |
testcase_36 | AC | 68 ms
71,276 KB |
testcase_37 | AC | 69 ms
71,236 KB |
testcase_38 | AC | 69 ms
71,508 KB |
testcase_39 | AC | 68 ms
71,240 KB |
testcase_40 | AC | 74 ms
71,492 KB |
testcase_41 | AC | 70 ms
70,992 KB |
testcase_42 | AC | 70 ms
71,212 KB |
testcase_43 | AC | 86 ms
76,100 KB |
testcase_44 | AC | 71 ms
71,356 KB |
testcase_45 | AC | 72 ms
71,188 KB |
testcase_46 | AC | 78 ms
76,120 KB |
testcase_47 | AC | 72 ms
71,132 KB |
testcase_48 | AC | 77 ms
76,000 KB |
testcase_49 | AC | 70 ms
71,236 KB |
testcase_50 | AC | 78 ms
75,864 KB |
testcase_51 | AC | 78 ms
75,956 KB |
testcase_52 | AC | 79 ms
75,864 KB |
testcase_53 | AC | 77 ms
76,012 KB |
testcase_54 | AC | 80 ms
76,416 KB |
testcase_55 | AC | 80 ms
76,512 KB |
testcase_56 | AC | 70 ms
71,292 KB |
testcase_57 | AC | 76 ms
75,804 KB |
testcase_58 | AC | 74 ms
75,888 KB |
testcase_59 | AC | 70 ms
71,240 KB |
testcase_60 | AC | 69 ms
71,280 KB |
testcase_61 | AC | 76 ms
75,924 KB |
testcase_62 | AC | 69 ms
71,296 KB |
testcase_63 | AC | 118 ms
79,812 KB |
testcase_64 | AC | 95 ms
76,460 KB |
testcase_65 | AC | 102 ms
78,320 KB |
testcase_66 | AC | 100 ms
78,108 KB |
testcase_67 | AC | 93 ms
76,824 KB |
testcase_68 | AC | 106 ms
78,456 KB |
testcase_69 | AC | 105 ms
78,612 KB |
testcase_70 | AC | 95 ms
76,928 KB |
testcase_71 | AC | 95 ms
76,800 KB |
testcase_72 | AC | 104 ms
78,344 KB |
testcase_73 | AC | 96 ms
76,976 KB |
testcase_74 | AC | 103 ms
78,876 KB |
testcase_75 | AC | 101 ms
78,264 KB |
testcase_76 | AC | 86 ms
76,676 KB |
testcase_77 | AC | 100 ms
78,424 KB |
testcase_78 | AC | 105 ms
79,296 KB |
testcase_79 | AC | 107 ms
79,156 KB |
testcase_80 | AC | 103 ms
78,868 KB |
testcase_81 | AC | 105 ms
79,216 KB |
testcase_82 | AC | 106 ms
79,012 KB |
testcase_83 | AC | 228 ms
109,940 KB |
testcase_84 | AC | 228 ms
108,200 KB |
testcase_85 | AC | 168 ms
96,740 KB |
testcase_86 | AC | 202 ms
103,012 KB |
testcase_87 | AC | 220 ms
105,404 KB |
testcase_88 | AC | 112 ms
81,104 KB |
testcase_89 | AC | 224 ms
110,428 KB |
testcase_90 | AC | 175 ms
96,820 KB |
testcase_91 | AC | 155 ms
92,776 KB |
testcase_92 | AC | 122 ms
83,408 KB |
testcase_93 | AC | 196 ms
103,284 KB |
testcase_94 | AC | 178 ms
98,872 KB |
testcase_95 | AC | 181 ms
99,164 KB |
testcase_96 | AC | 218 ms
107,824 KB |
testcase_97 | AC | 145 ms
89,236 KB |
testcase_98 | AC | 219 ms
106,212 KB |
testcase_99 | AC | 165 ms
95,300 KB |
testcase_100 | AC | 227 ms
110,144 KB |
testcase_101 | AC | 120 ms
83,036 KB |
testcase_102 | AC | 106 ms
80,064 KB |
testcase_103 | AC | 119 ms
83,520 KB |
testcase_104 | AC | 131 ms
85,232 KB |
testcase_105 | AC | 199 ms
103,352 KB |
testcase_106 | AC | 153 ms
91,312 KB |
testcase_107 | AC | 223 ms
110,088 KB |
testcase_108 | AC | 225 ms
109,896 KB |
testcase_109 | AC | 184 ms
100,636 KB |
testcase_110 | AC | 181 ms
98,768 KB |
testcase_111 | AC | 182 ms
99,572 KB |
testcase_112 | AC | 123 ms
85,128 KB |
testcase_113 | AC | 182 ms
98,824 KB |
testcase_114 | AC | 154 ms
90,220 KB |
testcase_115 | AC | 114 ms
80,820 KB |
testcase_116 | AC | 154 ms
93,596 KB |
testcase_117 | AC | 128 ms
85,076 KB |
testcase_118 | AC | 218 ms
107,404 KB |
testcase_119 | AC | 170 ms
95,308 KB |
testcase_120 | AC | 214 ms
105,528 KB |
testcase_121 | AC | 124 ms
83,612 KB |
testcase_122 | AC | 155 ms
93,088 KB |
testcase_123 | AC | 69 ms
71,212 KB |
testcase_124 | AC | 198 ms
103,972 KB |
testcase_125 | AC | 196 ms
103,704 KB |
ソースコード
import sys input = sys.stdin.readline N = int(input()) G = [[] for i in range(N)] deg = [0] * N for i in range(N): a, b = map(int, input().split()) a, b = a - 1, b - 1 G[a].append((b, i)) G[b].append((a, i)) deg[a] += 1 deg[b] += 1 Q = [] S = set() for i in range(N): if deg[i] == 1: Q.append(i) while Q: u = Q.pop() for v, i in G[u]: deg[v] -= 1 if deg[v] == 1: Q.append(v) S.add(i) ans = [] for i in range(N): if i not in S: ans.append(i + 1) print(len(ans)) print(*ans)