結果
問題 | No.1254 補強への架け橋 |
ユーザー | siman |
提出日時 | 2023-06-12 14:50:24 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 1,825 bytes |
コンパイル時間 | 1,494 ms |
コンパイル使用メモリ | 135,624 KB |
実行使用メモリ | 42,976 KB |
最終ジャッジ日時 | 2024-06-11 16:32:37 |
合計ジャッジ時間 | 18,000 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 2 ms
13,756 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,948 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 1 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 2 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,944 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,944 KB |
testcase_43 | AC | 3 ms
6,944 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,944 KB |
testcase_46 | AC | 3 ms
6,940 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 2 ms
6,944 KB |
testcase_51 | AC | 3 ms
6,944 KB |
testcase_52 | AC | 3 ms
6,944 KB |
testcase_53 | AC | 3 ms
6,940 KB |
testcase_54 | AC | 3 ms
6,944 KB |
testcase_55 | AC | 3 ms
6,940 KB |
testcase_56 | AC | 2 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,940 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 2 ms
6,940 KB |
testcase_60 | AC | 2 ms
6,944 KB |
testcase_61 | AC | 2 ms
6,940 KB |
testcase_62 | AC | 2 ms
6,944 KB |
testcase_63 | AC | 18 ms
6,940 KB |
testcase_64 | AC | 5 ms
6,940 KB |
testcase_65 | AC | 11 ms
6,944 KB |
testcase_66 | AC | 10 ms
6,940 KB |
testcase_67 | AC | 5 ms
6,940 KB |
testcase_68 | AC | 11 ms
6,944 KB |
testcase_69 | AC | 12 ms
6,944 KB |
testcase_70 | AC | 6 ms
6,940 KB |
testcase_71 | AC | 5 ms
6,940 KB |
testcase_72 | AC | 17 ms
6,944 KB |
testcase_73 | AC | 6 ms
6,940 KB |
testcase_74 | AC | 13 ms
6,940 KB |
testcase_75 | AC | 9 ms
6,944 KB |
testcase_76 | AC | 3 ms
6,940 KB |
testcase_77 | AC | 8 ms
6,940 KB |
testcase_78 | AC | 19 ms
6,940 KB |
testcase_79 | AC | 15 ms
6,940 KB |
testcase_80 | AC | 13 ms
6,940 KB |
testcase_81 | AC | 14 ms
6,940 KB |
testcase_82 | AC | 16 ms
6,940 KB |
testcase_83 | AC | 316 ms
26,240 KB |
testcase_84 | AC | 288 ms
25,600 KB |
testcase_85 | AC | 168 ms
17,152 KB |
testcase_86 | AC | 235 ms
22,656 KB |
testcase_87 | AC | 220 ms
24,448 KB |
testcase_88 | AC | 25 ms
6,944 KB |
testcase_89 | AC | 261 ms
25,856 KB |
testcase_90 | AC | 176 ms
18,048 KB |
testcase_91 | AC | 122 ms
15,104 KB |
testcase_92 | AC | 58 ms
9,600 KB |
testcase_93 | AC | 163 ms
21,504 KB |
testcase_94 | AC | 219 ms
19,968 KB |
testcase_95 | AC | 213 ms
19,840 KB |
testcase_96 | AC | 229 ms
24,960 KB |
testcase_97 | AC | 92 ms
13,312 KB |
testcase_98 | AC | 237 ms
24,960 KB |
testcase_99 | AC | 151 ms
16,768 KB |
testcase_100 | AC | 276 ms
26,556 KB |
testcase_101 | AC | 56 ms
8,960 KB |
testcase_102 | AC | 23 ms
6,940 KB |
testcase_103 | AC | 45 ms
9,600 KB |
testcase_104 | AC | 65 ms
11,776 KB |
testcase_105 | AC | 202 ms
21,504 KB |
testcase_106 | AC | 128 ms
14,208 KB |
testcase_107 | AC | 356 ms
26,112 KB |
testcase_108 | AC | 230 ms
25,600 KB |
testcase_109 | AC | 264 ms
21,376 KB |
testcase_110 | AC | 153 ms
19,712 KB |
testcase_111 | AC | 241 ms
20,736 KB |
testcase_112 | AC | 76 ms
11,392 KB |
testcase_113 | AC | 231 ms
19,328 KB |
testcase_114 | AC | 107 ms
13,952 KB |
testcase_115 | AC | 31 ms
7,168 KB |
testcase_116 | AC | 145 ms
15,360 KB |
testcase_117 | AC | 72 ms
11,392 KB |
testcase_118 | AC | 220 ms
24,704 KB |
testcase_119 | AC | 128 ms
16,640 KB |
testcase_120 | AC | 198 ms
24,064 KB |
testcase_121 | AC | 52 ms
10,240 KB |
testcase_122 | AC | 123 ms
15,232 KB |
testcase_123 | AC | 2 ms
6,944 KB |
testcase_124 | TLE | - |
testcase_125 | -- | - |
ソースコード
#include <algorithm> #include <iostream> #include <stack> #include <string.h> #include <vector> #include <map> #include <climits> using namespace std; typedef vector <vector<int>> Graph; const int MAX_N = 100001; int root; bool visited[MAX_N]; bool finished[MAX_N]; void dfs(int u, int parent, const Graph &G, stack<int> &path) { visited[u] = true; path.push(u); for (int v : G[u]) { if (v == parent) continue; if (finished[v]) continue; if (visited[v] && !finished[v]) { root = v; return; } dfs(v, u, G, path); if (root != -1) return; } path.pop(); finished[u] = true; } vector<int> cycle_detection(int start, const Graph &G) { root = -1; memset(visited, false, sizeof(visited)); memset(finished, false, sizeof(finished)); stack<int> path; dfs(start, -1, G, path); vector<int> res; while (!path.empty()) { res.push_back(path.top()); path.pop(); } return res; } int main() { int N; cin >> N; Graph G(N + 1); map<int, map<int, int>> E; int a, b; for (int i = 0; i < N; ++i) { cin >> a >> b; E[a][b] = i + 1; E[b][a] = i + 1; G[a].push_back(b); G[b].push_back(a); } vector<int> path = cycle_detection(1, G); if (path.empty()) { cout << -1 << endl; } else { int minV = INT_MAX; vector<int> res; for (int v : path) { vector<int> p = cycle_detection(v, G); int s = p.size(); if (minV > s) { minV = s; res = p; } } int L = res.size(); vector<int> ids; for (int i = 0; i < L; ++i) { int u = res[i]; int v = res[(i + 1) % L]; ids.push_back(E[u][v]); } sort(ids.begin(), ids.end()); cout << L << endl; for (int id : ids) { cout << id << " "; } cout << endl; } return 0; }