結果
問題 | No.1254 補強への架け橋 |
ユーザー | convexineq |
提出日時 | 2020-12-21 22:18:21 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 296 ms / 2,000 ms |
コード長 | 460 bytes |
コンパイル時間 | 774 ms |
コンパイル使用メモリ | 81,568 KB |
実行使用メモリ | 103,284 KB |
最終ジャッジ日時 | 2023-10-21 11:53:59 |
合計ジャッジ時間 | 27,229 ms |
ジャッジサーバーID (参考情報) |
judge9 / judge14 |
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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 | 39 ms
53,368 KB |
testcase_01 | AC | 40 ms
53,368 KB |
testcase_02 | AC | 39 ms
53,368 KB |
testcase_03 | AC | 39 ms
53,368 KB |
testcase_04 | AC | 40 ms
53,368 KB |
testcase_05 | AC | 40 ms
53,368 KB |
testcase_06 | AC | 39 ms
53,368 KB |
testcase_07 | AC | 40 ms
53,368 KB |
testcase_08 | AC | 40 ms
53,368 KB |
testcase_09 | AC | 39 ms
53,368 KB |
testcase_10 | AC | 39 ms
53,368 KB |
testcase_11 | AC | 39 ms
53,368 KB |
testcase_12 | AC | 40 ms
53,368 KB |
testcase_13 | AC | 41 ms
53,368 KB |
testcase_14 | AC | 41 ms
53,368 KB |
testcase_15 | AC | 40 ms
53,368 KB |
testcase_16 | AC | 39 ms
53,368 KB |
testcase_17 | AC | 39 ms
53,368 KB |
testcase_18 | AC | 39 ms
53,368 KB |
testcase_19 | AC | 38 ms
53,368 KB |
testcase_20 | AC | 40 ms
53,368 KB |
testcase_21 | AC | 40 ms
53,368 KB |
testcase_22 | AC | 39 ms
53,368 KB |
testcase_23 | AC | 40 ms
53,368 KB |
testcase_24 | AC | 40 ms
53,368 KB |
testcase_25 | AC | 39 ms
53,368 KB |
testcase_26 | AC | 40 ms
53,368 KB |
testcase_27 | AC | 40 ms
53,368 KB |
testcase_28 | AC | 40 ms
53,368 KB |
testcase_29 | AC | 39 ms
53,368 KB |
testcase_30 | AC | 39 ms
53,368 KB |
testcase_31 | AC | 40 ms
53,368 KB |
testcase_32 | AC | 38 ms
53,368 KB |
testcase_33 | AC | 41 ms
53,368 KB |
testcase_34 | AC | 40 ms
53,368 KB |
testcase_35 | AC | 41 ms
53,368 KB |
testcase_36 | AC | 40 ms
53,368 KB |
testcase_37 | AC | 40 ms
53,368 KB |
testcase_38 | AC | 41 ms
53,368 KB |
testcase_39 | AC | 39 ms
53,368 KB |
testcase_40 | AC | 44 ms
53,368 KB |
testcase_41 | AC | 40 ms
53,368 KB |
testcase_42 | AC | 41 ms
53,368 KB |
testcase_43 | AC | 60 ms
63,680 KB |
testcase_44 | AC | 46 ms
55,420 KB |
testcase_45 | AC | 44 ms
55,420 KB |
testcase_46 | AC | 57 ms
63,876 KB |
testcase_47 | AC | 49 ms
55,420 KB |
testcase_48 | AC | 57 ms
61,568 KB |
testcase_49 | AC | 43 ms
53,372 KB |
testcase_50 | AC | 61 ms
63,760 KB |
testcase_51 | AC | 58 ms
63,680 KB |
testcase_52 | AC | 59 ms
63,760 KB |
testcase_53 | AC | 55 ms
63,616 KB |
testcase_54 | AC | 58 ms
63,680 KB |
testcase_55 | AC | 57 ms
63,684 KB |
testcase_56 | AC | 41 ms
53,372 KB |
testcase_57 | AC | 52 ms
61,568 KB |
testcase_58 | AC | 52 ms
61,568 KB |
testcase_59 | AC | 41 ms
53,372 KB |
testcase_60 | AC | 46 ms
55,420 KB |
testcase_61 | AC | 56 ms
63,616 KB |
testcase_62 | AC | 42 ms
53,372 KB |
testcase_63 | AC | 104 ms
77,224 KB |
testcase_64 | AC | 90 ms
76,632 KB |
testcase_65 | AC | 98 ms
77,008 KB |
testcase_66 | AC | 98 ms
77,028 KB |
testcase_67 | AC | 83 ms
74,584 KB |
testcase_68 | AC | 95 ms
76,956 KB |
testcase_69 | AC | 97 ms
77,096 KB |
testcase_70 | AC | 90 ms
76,568 KB |
testcase_71 | AC | 89 ms
76,368 KB |
testcase_72 | AC | 98 ms
77,096 KB |
testcase_73 | AC | 91 ms
76,488 KB |
testcase_74 | AC | 97 ms
77,052 KB |
testcase_75 | AC | 95 ms
76,984 KB |
testcase_76 | AC | 76 ms
72,864 KB |
testcase_77 | AC | 95 ms
76,920 KB |
testcase_78 | AC | 100 ms
77,180 KB |
testcase_79 | AC | 100 ms
77,208 KB |
testcase_80 | AC | 99 ms
77,136 KB |
testcase_81 | AC | 101 ms
77,188 KB |
testcase_82 | AC | 100 ms
77,164 KB |
testcase_83 | AC | 285 ms
95,144 KB |
testcase_84 | AC | 276 ms
94,892 KB |
testcase_85 | AC | 199 ms
87,476 KB |
testcase_86 | AC | 238 ms
90,172 KB |
testcase_87 | AC | 267 ms
93,868 KB |
testcase_88 | AC | 107 ms
77,564 KB |
testcase_89 | AC | 280 ms
95,064 KB |
testcase_90 | AC | 203 ms
88,076 KB |
testcase_91 | AC | 171 ms
83,708 KB |
testcase_92 | AC | 121 ms
78,504 KB |
testcase_93 | AC | 233 ms
90,048 KB |
testcase_94 | AC | 222 ms
89,176 KB |
testcase_95 | AC | 221 ms
89,172 KB |
testcase_96 | AC | 269 ms
94,376 KB |
testcase_97 | AC | 157 ms
82,992 KB |
testcase_98 | AC | 278 ms
94,336 KB |
testcase_99 | AC | 196 ms
86,568 KB |
testcase_100 | AC | 296 ms
95,276 KB |
testcase_101 | AC | 120 ms
78,224 KB |
testcase_102 | AC | 104 ms
77,368 KB |
testcase_103 | AC | 118 ms
78,396 KB |
testcase_104 | AC | 145 ms
82,256 KB |
testcase_105 | AC | 238 ms
90,048 KB |
testcase_106 | AC | 162 ms
83,540 KB |
testcase_107 | AC | 279 ms
95,120 KB |
testcase_108 | AC | 286 ms
94,976 KB |
testcase_109 | AC | 233 ms
89,972 KB |
testcase_110 | AC | 219 ms
89,100 KB |
testcase_111 | AC | 228 ms
89,836 KB |
testcase_112 | AC | 144 ms
81,864 KB |
testcase_113 | AC | 209 ms
88,948 KB |
testcase_114 | AC | 159 ms
83,200 KB |
testcase_115 | AC | 107 ms
77,576 KB |
testcase_116 | AC | 174 ms
83,892 KB |
testcase_117 | AC | 144 ms
81,884 KB |
testcase_118 | AC | 273 ms
94,172 KB |
testcase_119 | AC | 180 ms
84,416 KB |
testcase_120 | AC | 270 ms
93,232 KB |
testcase_121 | AC | 136 ms
81,064 KB |
testcase_122 | AC | 171 ms
83,824 KB |
testcase_123 | AC | 39 ms
53,400 KB |
testcase_124 | AC | 279 ms
103,284 KB |
testcase_125 | AC | 278 ms
103,284 KB |
ソースコード
n = int(input()) g = [[] for _ in range(n)] deg = [0]*n for i in range(n): a,b = map(int,input().split()) a -= 1; b -= 1 g[a].append((b,i)) g[b].append((a,i)) deg[a] += 1 deg[b] += 1 used = [0]*n q = [g[i][0] for i in range(n) if deg[i]==1] while q: v,i = q.pop() if used[i]: continue used[i] = 1 deg[v] -= 1 if deg[v] == 1: q += g[v] ans = [i+1 for i in range(n) if used[i]==0] print(len(ans)) print(*ans)