結果
問題 | No.1254 補強への架け橋 |
ユーザー | titia |
提出日時 | 2020-10-10 01:01:00 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 339 ms / 2,000 ms |
コード長 | 968 bytes |
コンパイル時間 | 254 ms |
コンパイル使用メモリ | 87,032 KB |
実行使用メモリ | 145,468 KB |
最終ジャッジ日時 | 2023-09-27 20:33:18 |
合計ジャッジ時間 | 22,158 ms |
ジャッジサーバーID (参考情報) |
judge15 / 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 | 66 ms
71,232 KB |
testcase_01 | AC | 68 ms
71,144 KB |
testcase_02 | AC | 67 ms
71,380 KB |
testcase_03 | AC | 68 ms
71,124 KB |
testcase_04 | AC | 65 ms
71,368 KB |
testcase_05 | AC | 68 ms
71,328 KB |
testcase_06 | AC | 70 ms
71,264 KB |
testcase_07 | AC | 65 ms
71,076 KB |
testcase_08 | AC | 67 ms
71,312 KB |
testcase_09 | AC | 67 ms
71,316 KB |
testcase_10 | AC | 65 ms
71,208 KB |
testcase_11 | AC | 64 ms
71,248 KB |
testcase_12 | AC | 67 ms
71,180 KB |
testcase_13 | AC | 67 ms
71,372 KB |
testcase_14 | AC | 67 ms
71,332 KB |
testcase_15 | AC | 69 ms
71,052 KB |
testcase_16 | AC | 67 ms
71,484 KB |
testcase_17 | AC | 67 ms
71,076 KB |
testcase_18 | AC | 66 ms
71,448 KB |
testcase_19 | AC | 68 ms
71,276 KB |
testcase_20 | AC | 67 ms
71,236 KB |
testcase_21 | AC | 66 ms
71,208 KB |
testcase_22 | AC | 67 ms
71,316 KB |
testcase_23 | AC | 67 ms
71,304 KB |
testcase_24 | AC | 66 ms
71,296 KB |
testcase_25 | AC | 66 ms
71,284 KB |
testcase_26 | AC | 68 ms
71,488 KB |
testcase_27 | AC | 68 ms
71,312 KB |
testcase_28 | AC | 69 ms
71,316 KB |
testcase_29 | AC | 67 ms
71,296 KB |
testcase_30 | AC | 66 ms
71,248 KB |
testcase_31 | AC | 67 ms
71,208 KB |
testcase_32 | AC | 68 ms
71,320 KB |
testcase_33 | AC | 69 ms
71,312 KB |
testcase_34 | AC | 73 ms
71,156 KB |
testcase_35 | AC | 68 ms
71,316 KB |
testcase_36 | AC | 66 ms
71,320 KB |
testcase_37 | AC | 68 ms
71,252 KB |
testcase_38 | AC | 68 ms
71,276 KB |
testcase_39 | AC | 67 ms
71,316 KB |
testcase_40 | AC | 68 ms
71,384 KB |
testcase_41 | AC | 68 ms
71,084 KB |
testcase_42 | AC | 68 ms
71,316 KB |
testcase_43 | AC | 85 ms
76,272 KB |
testcase_44 | AC | 74 ms
75,828 KB |
testcase_45 | AC | 73 ms
75,564 KB |
testcase_46 | AC | 80 ms
75,736 KB |
testcase_47 | AC | 77 ms
75,924 KB |
testcase_48 | AC | 80 ms
75,752 KB |
testcase_49 | AC | 68 ms
71,424 KB |
testcase_50 | AC | 81 ms
75,964 KB |
testcase_51 | AC | 80 ms
76,116 KB |
testcase_52 | AC | 83 ms
76,192 KB |
testcase_53 | AC | 82 ms
76,396 KB |
testcase_54 | AC | 82 ms
76,124 KB |
testcase_55 | AC | 81 ms
76,000 KB |
testcase_56 | AC | 69 ms
71,364 KB |
testcase_57 | AC | 77 ms
75,812 KB |
testcase_58 | AC | 76 ms
75,712 KB |
testcase_59 | AC | 67 ms
71,476 KB |
testcase_60 | AC | 76 ms
75,608 KB |
testcase_61 | AC | 83 ms
76,368 KB |
testcase_62 | AC | 69 ms
71,324 KB |
testcase_63 | AC | 116 ms
78,088 KB |
testcase_64 | AC | 108 ms
78,448 KB |
testcase_65 | AC | 111 ms
78,180 KB |
testcase_66 | AC | 116 ms
78,196 KB |
testcase_67 | AC | 105 ms
77,972 KB |
testcase_68 | AC | 110 ms
78,340 KB |
testcase_69 | AC | 117 ms
78,096 KB |
testcase_70 | AC | 106 ms
78,140 KB |
testcase_71 | AC | 103 ms
77,996 KB |
testcase_72 | AC | 116 ms
78,172 KB |
testcase_73 | AC | 102 ms
77,968 KB |
testcase_74 | AC | 108 ms
78,160 KB |
testcase_75 | AC | 109 ms
78,184 KB |
testcase_76 | AC | 97 ms
77,068 KB |
testcase_77 | AC | 112 ms
78,152 KB |
testcase_78 | AC | 105 ms
78,048 KB |
testcase_79 | AC | 116 ms
78,212 KB |
testcase_80 | AC | 111 ms
78,084 KB |
testcase_81 | AC | 111 ms
78,064 KB |
testcase_82 | AC | 114 ms
78,232 KB |
testcase_83 | AC | 226 ms
98,124 KB |
testcase_84 | AC | 215 ms
97,812 KB |
testcase_85 | AC | 165 ms
89,960 KB |
testcase_86 | AC | 197 ms
94,748 KB |
testcase_87 | AC | 220 ms
96,428 KB |
testcase_88 | AC | 121 ms
80,592 KB |
testcase_89 | AC | 212 ms
97,812 KB |
testcase_90 | AC | 171 ms
90,588 KB |
testcase_91 | AC | 168 ms
87,748 KB |
testcase_92 | AC | 130 ms
80,288 KB |
testcase_93 | AC | 191 ms
94,056 KB |
testcase_94 | AC | 180 ms
92,408 KB |
testcase_95 | AC | 180 ms
92,148 KB |
testcase_96 | AC | 216 ms
96,952 KB |
testcase_97 | AC | 157 ms
86,500 KB |
testcase_98 | AC | 217 ms
97,072 KB |
testcase_99 | AC | 176 ms
89,620 KB |
testcase_100 | AC | 221 ms
98,160 KB |
testcase_101 | AC | 129 ms
80,592 KB |
testcase_102 | AC | 112 ms
78,224 KB |
testcase_103 | AC | 126 ms
80,684 KB |
testcase_104 | AC | 142 ms
85,132 KB |
testcase_105 | AC | 197 ms
93,872 KB |
testcase_106 | AC | 163 ms
87,124 KB |
testcase_107 | AC | 215 ms
97,892 KB |
testcase_108 | AC | 220 ms
97,652 KB |
testcase_109 | AC | 195 ms
93,764 KB |
testcase_110 | AC | 188 ms
92,124 KB |
testcase_111 | AC | 186 ms
93,104 KB |
testcase_112 | AC | 135 ms
84,600 KB |
testcase_113 | AC | 181 ms
91,900 KB |
testcase_114 | AC | 154 ms
86,952 KB |
testcase_115 | AC | 126 ms
81,040 KB |
testcase_116 | AC | 154 ms
88,272 KB |
testcase_117 | AC | 141 ms
84,748 KB |
testcase_118 | AC | 216 ms
96,780 KB |
testcase_119 | AC | 167 ms
89,224 KB |
testcase_120 | AC | 202 ms
95,904 KB |
testcase_121 | AC | 134 ms
83,416 KB |
testcase_122 | AC | 161 ms
88,360 KB |
testcase_123 | AC | 65 ms
71,176 KB |
testcase_124 | AC | 339 ms
145,348 KB |
testcase_125 | AC | 332 ms
145,468 KB |
ソースコード
N=int(input()) EDGE=[tuple(map(int,input().split())) for i in range(N)] E=[[] for i in range(N+1)] for x,y in EDGE: E[x].append(y) E[y].append(x) Q=[(1,N+5)] USE=[0]*(N+1) FR=[-1]*(N+1) USE[1]=1 while Q: x,fr=Q.pop() ANS=-1 for to in E[x]: if fr==to: continue if USE[to]==0: USE[to]=1 FR[to]=x Q.append((to,x)) else: ANS=to NOW=x break if ANS!=-1: break LIST0=[] LIST1=[] while NOW!=1: LIST0.append(NOW) NOW=FR[NOW] while ANS!=1: LIST1.append(ANS) ANS=FR[ANS] LIST0.append(1) LIST1.append(1) while LIST0[-1]==LIST1[-1]: x=LIST0.pop() y=LIST1.pop() LIST=[x]+LIST0[::-1]+LIST1 SET=set() for i in range(len(LIST)): x=LIST[i-1] y=LIST[i] SET.add((x,y)) SET.add((y,x)) ALIST=[] for i in range(N): if EDGE[i] in SET: ALIST.append(i+1) print(len(ALIST)) print(*ALIST)