結果
問題 | No.1254 補強への架け橋 |
ユーザー | 👑 Nachia |
提出日時 | 2020-10-09 21:48:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 153 ms / 2,000 ms |
コード長 | 1,227 bytes |
コンパイル時間 | 1,723 ms |
コンパイル使用メモリ | 170,596 KB |
実行使用メモリ | 25,152 KB |
最終ジャッジ日時 | 2023-09-27 16:18:37 |
合計ジャッジ時間 | 14,440 ms |
ジャッジサーバーID (参考情報) |
judge13 / 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 | 3 ms
8,080 KB |
testcase_01 | AC | 4 ms
8,036 KB |
testcase_02 | AC | 4 ms
8,068 KB |
testcase_03 | AC | 3 ms
8,104 KB |
testcase_04 | AC | 3 ms
8,108 KB |
testcase_05 | AC | 4 ms
8,208 KB |
testcase_06 | AC | 4 ms
8,104 KB |
testcase_07 | AC | 3 ms
8,156 KB |
testcase_08 | AC | 3 ms
8,316 KB |
testcase_09 | AC | 4 ms
8,140 KB |
testcase_10 | AC | 4 ms
8,164 KB |
testcase_11 | AC | 4 ms
8,092 KB |
testcase_12 | AC | 4 ms
8,044 KB |
testcase_13 | AC | 3 ms
8,156 KB |
testcase_14 | AC | 4 ms
8,248 KB |
testcase_15 | AC | 4 ms
8,104 KB |
testcase_16 | AC | 4 ms
8,064 KB |
testcase_17 | AC | 3 ms
8,144 KB |
testcase_18 | AC | 4 ms
8,332 KB |
testcase_19 | AC | 4 ms
8,148 KB |
testcase_20 | AC | 3 ms
8,144 KB |
testcase_21 | AC | 3 ms
8,064 KB |
testcase_22 | AC | 3 ms
8,040 KB |
testcase_23 | AC | 3 ms
8,132 KB |
testcase_24 | AC | 4 ms
8,044 KB |
testcase_25 | AC | 4 ms
8,124 KB |
testcase_26 | AC | 3 ms
8,136 KB |
testcase_27 | AC | 4 ms
8,204 KB |
testcase_28 | AC | 4 ms
8,144 KB |
testcase_29 | AC | 4 ms
8,136 KB |
testcase_30 | AC | 3 ms
8,072 KB |
testcase_31 | AC | 4 ms
8,120 KB |
testcase_32 | AC | 3 ms
8,268 KB |
testcase_33 | AC | 4 ms
8,112 KB |
testcase_34 | AC | 4 ms
8,076 KB |
testcase_35 | AC | 3 ms
8,036 KB |
testcase_36 | AC | 4 ms
8,144 KB |
testcase_37 | AC | 4 ms
8,084 KB |
testcase_38 | AC | 3 ms
8,040 KB |
testcase_39 | AC | 3 ms
8,080 KB |
testcase_40 | AC | 4 ms
8,040 KB |
testcase_41 | AC | 4 ms
8,044 KB |
testcase_42 | AC | 4 ms
8,040 KB |
testcase_43 | AC | 4 ms
8,168 KB |
testcase_44 | AC | 4 ms
8,236 KB |
testcase_45 | AC | 4 ms
8,068 KB |
testcase_46 | AC | 4 ms
8,104 KB |
testcase_47 | AC | 4 ms
8,080 KB |
testcase_48 | AC | 4 ms
8,264 KB |
testcase_49 | AC | 4 ms
8,088 KB |
testcase_50 | AC | 4 ms
8,280 KB |
testcase_51 | AC | 4 ms
8,124 KB |
testcase_52 | AC | 4 ms
8,280 KB |
testcase_53 | AC | 4 ms
8,104 KB |
testcase_54 | AC | 4 ms
8,224 KB |
testcase_55 | AC | 4 ms
8,100 KB |
testcase_56 | AC | 3 ms
8,044 KB |
testcase_57 | AC | 4 ms
8,096 KB |
testcase_58 | AC | 4 ms
8,208 KB |
testcase_59 | AC | 4 ms
8,052 KB |
testcase_60 | AC | 4 ms
8,128 KB |
testcase_61 | AC | 4 ms
8,172 KB |
testcase_62 | AC | 3 ms
8,216 KB |
testcase_63 | AC | 11 ms
8,916 KB |
testcase_64 | AC | 5 ms
8,308 KB |
testcase_65 | AC | 9 ms
8,660 KB |
testcase_66 | AC | 7 ms
8,644 KB |
testcase_67 | AC | 5 ms
8,212 KB |
testcase_68 | AC | 8 ms
8,580 KB |
testcase_69 | AC | 9 ms
8,748 KB |
testcase_70 | AC | 6 ms
8,332 KB |
testcase_71 | AC | 5 ms
8,244 KB |
testcase_72 | AC | 10 ms
8,688 KB |
testcase_73 | AC | 6 ms
8,284 KB |
testcase_74 | AC | 9 ms
8,700 KB |
testcase_75 | AC | 8 ms
8,620 KB |
testcase_76 | AC | 4 ms
8,180 KB |
testcase_77 | AC | 7 ms
8,460 KB |
testcase_78 | AC | 10 ms
8,764 KB |
testcase_79 | AC | 11 ms
8,764 KB |
testcase_80 | AC | 9 ms
8,724 KB |
testcase_81 | AC | 11 ms
8,764 KB |
testcase_82 | AC | 11 ms
8,752 KB |
testcase_83 | AC | 124 ms
15,980 KB |
testcase_84 | AC | 115 ms
15,800 KB |
testcase_85 | AC | 63 ms
12,648 KB |
testcase_86 | AC | 95 ms
14,564 KB |
testcase_87 | AC | 105 ms
15,232 KB |
testcase_88 | AC | 15 ms
9,168 KB |
testcase_89 | AC | 114 ms
15,768 KB |
testcase_90 | AC | 69 ms
12,848 KB |
testcase_91 | AC | 52 ms
12,024 KB |
testcase_92 | AC | 27 ms
10,120 KB |
testcase_93 | AC | 87 ms
14,212 KB |
testcase_94 | AC | 81 ms
13,636 KB |
testcase_95 | AC | 79 ms
13,724 KB |
testcase_96 | AC | 111 ms
15,424 KB |
testcase_97 | AC | 43 ms
11,424 KB |
testcase_98 | AC | 113 ms
15,560 KB |
testcase_99 | AC | 64 ms
12,576 KB |
testcase_100 | AC | 121 ms
16,208 KB |
testcase_101 | AC | 24 ms
10,080 KB |
testcase_102 | AC | 13 ms
8,988 KB |
testcase_103 | AC | 26 ms
10,208 KB |
testcase_104 | AC | 36 ms
10,808 KB |
testcase_105 | AC | 91 ms
14,280 KB |
testcase_106 | AC | 48 ms
11,660 KB |
testcase_107 | AC | 115 ms
16,088 KB |
testcase_108 | AC | 115 ms
15,844 KB |
testcase_109 | AC | 89 ms
14,268 KB |
testcase_110 | AC | 83 ms
13,720 KB |
testcase_111 | AC | 87 ms
14,004 KB |
testcase_112 | AC | 34 ms
10,684 KB |
testcase_113 | AC | 78 ms
13,544 KB |
testcase_114 | AC | 48 ms
11,452 KB |
testcase_115 | AC | 16 ms
9,400 KB |
testcase_116 | AC | 59 ms
12,048 KB |
testcase_117 | AC | 36 ms
10,644 KB |
testcase_118 | AC | 111 ms
15,600 KB |
testcase_119 | AC | 63 ms
12,716 KB |
testcase_120 | AC | 106 ms
15,212 KB |
testcase_121 | AC | 30 ms
10,324 KB |
testcase_122 | AC | 55 ms
12,100 KB |
testcase_123 | AC | 4 ms
8,264 KB |
testcase_124 | AC | 152 ms
25,064 KB |
testcase_125 | AC | 153 ms
25,152 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using LL = long long; using ULL = unsigned long long; #define rep(i,n) for(int i=0; i<(n); i++) const int xN = 100000; int N, M; vector<int> E[xN], rE[xN]; int I[xN], rI[xN]; int P[xN], H[xN]; LL ans = 0; int DFS1(int p, int i = 0) { for (int e : E[p]) { if (P[p] == e) continue; rE[e].push_back(p); if (P[e] != -1) continue; P[e] = p; i = DFS1(e, i); } I[p] = i; rI[i] = p; ++i; return i; } void DFS2(int p, int s) { if (rI[I[p]] != p) return; H[p] = s; for (int e : rE[p]) { if (I[e] > I[s]) continue; if (H[e] != -1) continue; DFS2(e, s); } } void strongDc() { rep(i, N) P[i] = I[i] = H[i] = -1; rep(i, N) { if (P[i] != -1) continue; P[i] = i; int Z = DFS1(i); for (int i = Z - 1; i != -1; i--) if (H[rI[i]] == -1) DFS2(rI[i], rI[i]); } } vector<pair<int, int>> J; int main() { cin >> N; rep(i, N) { int u, v; cin >> u >> v; u--; v--; J.push_back({ u,v }); E[u].push_back(v); E[v].push_back(u); } strongDc(); vector<int> ans; rep(i, N) { if (H[J[i].first] == H[J[i].second]) ans.push_back(i); } cout << ans.size() << endl; rep(i, ans.size()) { if (i) cout << " "; cout << (ans[i] + 1); } cout << endl; return 0; }