Submission #3231705
Source Code Expand
#include <bits/stdc++.h> using namespace std; int graph[60][60] = {}; int memo[60] = {}; int n, m; void dfs(int i){ if(memo[i] != 0) return; memo[i] = 1; for(int j = 0;j < n;j++){ if(graph[i][j] == 1){ dfs(j); } } return; } int main(){ cin >> n >> m; int a,b; for(int i = 0;i < m;i++){ cin >> a >> b; a--; b--; graph[a][b] = 1; graph[b][a] = 1; } int ans = 0; for(int i = 0;i < n;i++){ for(int j = 0;j < n;j++){ if(graph[i][j] == 1){ graph[i][j] = 0; graph[j][i] = 0; for(int x = 0;x < n;x++) memo[x] = 0; dfs(0); for(int x = 0;x < n;x++){ if(memo[x] == 0){ ans++; break; } } graph[i][j] = 1; graph[j][i] = 1; } } } if(ans != 0){ cout << ans/2 << endl; }else{ cout << ans << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Bridge |
User | yta_smh17 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 955 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_1.txt | AC | 1 ms | 256 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 1 ms | 256 KB |
subtask_1_12.txt | AC | 1 ms | 256 KB |
subtask_1_13.txt | AC | 1 ms | 256 KB |
subtask_1_14.txt | AC | 1 ms | 256 KB |
subtask_1_15.txt | AC | 1 ms | 256 KB |
subtask_1_16.txt | AC | 1 ms | 256 KB |
subtask_1_17.txt | AC | 1 ms | 256 KB |
subtask_1_2.txt | AC | 1 ms | 256 KB |
subtask_1_3.txt | AC | 1 ms | 256 KB |
subtask_1_4.txt | AC | 1 ms | 256 KB |
subtask_1_5.txt | AC | 1 ms | 256 KB |
subtask_1_6.txt | AC | 1 ms | 256 KB |
subtask_1_7.txt | AC | 1 ms | 256 KB |
subtask_1_8.txt | AC | 1 ms | 256 KB |
subtask_1_9.txt | AC | 1 ms | 256 KB |