結果
問題 | No.1254 補強への架け橋 |
ユーザー | marroncastle |
提出日時 | 2020-10-10 00:47:16 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,093 bytes |
コンパイル時間 | 302 ms |
コンパイル使用メモリ | 86,904 KB |
実行使用メモリ | 189,300 KB |
最終ジャッジ日時 | 2023-09-27 20:30:50 |
合計ジャッジ時間 | 38,618 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge13 |
(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 | 111 ms
76,056 KB |
testcase_01 | AC | 113 ms
75,864 KB |
testcase_02 | AC | 111 ms
76,076 KB |
testcase_03 | AC | 112 ms
76,088 KB |
testcase_04 | AC | 113 ms
76,180 KB |
testcase_05 | AC | 113 ms
76,288 KB |
testcase_06 | AC | 114 ms
75,852 KB |
testcase_07 | AC | 114 ms
76,284 KB |
testcase_08 | AC | 115 ms
76,324 KB |
testcase_09 | WA | - |
testcase_10 | AC | 112 ms
76,064 KB |
testcase_11 | AC | 112 ms
76,308 KB |
testcase_12 | AC | 113 ms
76,184 KB |
testcase_13 | AC | 115 ms
76,100 KB |
testcase_14 | AC | 114 ms
76,056 KB |
testcase_15 | AC | 114 ms
75,860 KB |
testcase_16 | AC | 113 ms
76,092 KB |
testcase_17 | AC | 111 ms
76,096 KB |
testcase_18 | AC | 113 ms
75,820 KB |
testcase_19 | AC | 115 ms
76,168 KB |
testcase_20 | AC | 113 ms
76,076 KB |
testcase_21 | AC | 112 ms
76,300 KB |
testcase_22 | AC | 112 ms
76,248 KB |
testcase_23 | AC | 114 ms
76,200 KB |
testcase_24 | AC | 114 ms
76,260 KB |
testcase_25 | WA | - |
testcase_26 | AC | 113 ms
76,096 KB |
testcase_27 | AC | 115 ms
76,268 KB |
testcase_28 | AC | 114 ms
76,136 KB |
testcase_29 | AC | 115 ms
76,168 KB |
testcase_30 | WA | - |
testcase_31 | AC | 114 ms
75,860 KB |
testcase_32 | AC | 113 ms
76,236 KB |
testcase_33 | WA | - |
testcase_34 | AC | 114 ms
76,868 KB |
testcase_35 | AC | 113 ms
76,228 KB |
testcase_36 | AC | 115 ms
76,228 KB |
testcase_37 | AC | 113 ms
75,860 KB |
testcase_38 | AC | 116 ms
76,216 KB |
testcase_39 | AC | 114 ms
76,264 KB |
testcase_40 | AC | 115 ms
76,076 KB |
testcase_41 | WA | - |
testcase_42 | AC | 114 ms
76,080 KB |
testcase_43 | AC | 132 ms
77,804 KB |
testcase_44 | WA | - |
testcase_45 | AC | 120 ms
77,708 KB |
testcase_46 | WA | - |
testcase_47 | AC | 128 ms
77,672 KB |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | AC | 136 ms
77,784 KB |
testcase_53 | AC | 133 ms
77,920 KB |
testcase_54 | AC | 133 ms
77,948 KB |
testcase_55 | AC | 128 ms
77,932 KB |
testcase_56 | WA | - |
testcase_57 | AC | 128 ms
77,956 KB |
testcase_58 | AC | 127 ms
77,796 KB |
testcase_59 | AC | 114 ms
77,048 KB |
testcase_60 | AC | 121 ms
77,688 KB |
testcase_61 | WA | - |
testcase_62 | AC | 117 ms
77,004 KB |
testcase_63 | WA | - |
testcase_64 | AC | 157 ms
80,136 KB |
testcase_65 | WA | - |
testcase_66 | AC | 165 ms
80,188 KB |
testcase_67 | WA | - |
testcase_68 | AC | 171 ms
80,800 KB |
testcase_69 | AC | 178 ms
81,680 KB |
testcase_70 | AC | 162 ms
80,108 KB |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | AC | 155 ms
80,044 KB |
testcase_74 | AC | 165 ms
80,544 KB |
testcase_75 | AC | 168 ms
80,252 KB |
testcase_76 | WA | - |
testcase_77 | AC | 167 ms
80,356 KB |
testcase_78 | AC | 177 ms
81,720 KB |
testcase_79 | AC | 186 ms
81,876 KB |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | AC | 182 ms
81,504 KB |
testcase_83 | WA | - |
testcase_84 | AC | 645 ms
160,928 KB |
testcase_85 | AC | 389 ms
105,160 KB |
testcase_86 | AC | 516 ms
125,508 KB |
testcase_87 | AC | 607 ms
151,516 KB |
testcase_88 | AC | 205 ms
84,540 KB |
testcase_89 | AC | 629 ms
152,824 KB |
testcase_90 | WA | - |
testcase_91 | AC | 370 ms
104,524 KB |
testcase_92 | WA | - |
testcase_93 | WA | - |
testcase_94 | WA | - |
testcase_95 | WA | - |
testcase_96 | AC | 587 ms
143,364 KB |
testcase_97 | AC | 321 ms
97,480 KB |
testcase_98 | WA | - |
testcase_99 | AC | 414 ms
113,444 KB |
testcase_100 | AC | 653 ms
162,876 KB |
testcase_101 | AC | 232 ms
87,068 KB |
testcase_102 | AC | 197 ms
83,536 KB |
testcase_103 | AC | 243 ms
88,624 KB |
testcase_104 | WA | - |
testcase_105 | WA | - |
testcase_106 | AC | 341 ms
99,560 KB |
testcase_107 | AC | 629 ms
159,284 KB |
testcase_108 | AC | 613 ms
147,696 KB |
testcase_109 | AC | 430 ms
113,952 KB |
testcase_110 | AC | 473 ms
121,136 KB |
testcase_111 | AC | 479 ms
120,420 KB |
testcase_112 | AC | 281 ms
93,092 KB |
testcase_113 | WA | - |
testcase_114 | WA | - |
testcase_115 | WA | - |
testcase_116 | AC | 382 ms
108,736 KB |
testcase_117 | WA | - |
testcase_118 | WA | - |
testcase_119 | AC | 390 ms
109,356 KB |
testcase_120 | AC | 587 ms
139,200 KB |
testcase_121 | WA | - |
testcase_122 | WA | - |
testcase_123 | AC | 114 ms
76,164 KB |
testcase_124 | WA | - |
testcase_125 | WA | - |
ソースコード
import sys,os,io input = sys.stdin.readline class Graph: def __init__(self, N): self.V = N self.edge = [[] for _ in range(self.V)] self.edges = [0]*(N*2+1) self.visited = [0]*N self.parent = [N]*N def add_edge(self, a, b, i): self.edge[a].append((b,i)) self.edges[i] = (a,b) def dfs(self, start): stack = [start] self.parent[start] = -1 self.visited[start] = 1 #記録したい値の配列を定義 while stack: v = stack[-1] for u,i in self.edge[v]: if u==self.parent[v]: continue if self.parent[u]==N: #子へ降ろす self.parent[u]=v stack.append(u) break else: return u else: stack.pop() def bfs1(self, start): stack = [start] self.parent[start] = -1 while stack: v = stack.pop() for u,i in self.edge[v]: if u==self.parent[v]: continue if self.parent[u]!=N: return u self.parent[u]=v #頂点に対する処理 stack.append(u) return def bfs(self, start): d = deque() d.append(dict()) cyc = dict() cnt = 0 while len(d)>0 and cnt<2*N: es = d.popleft() if len(es): v0,v = self.edges[list(es.keys())[-1]] else: v0,v = start,start for w,i in self.edge[v]: if w==v0: continue if w==start: dic = copy(es) dic[i] = True for i in range(N+1,2*N+1): if i in dic: dic[i-N] = True del dic[i] if len(dic)>len(cyc): cyc = dic if w not in es: dic = copy(es) dic[i] = True d.append(dic) cnt += 1 return cyc from collections import deque from copy import copy N = int(input()) G = Graph(N) for i in range(N): a,b = map(int, input().split()) G.add_edge(a-1,b-1,i+1) G.add_edge(b-1,a-1,N+i+1) ans = set() cyc = G.bfs1(0) es = G.bfs(cyc) for e in es.keys(): ans.add(e) ans = list(ans) print(len(ans)) print(*ans)