#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 10 + 10, inf = 0x3f3f3f3f;
vector<int> grafo[maxn];
int a, b, c;
bool dp[maxn][(1<<(maxn-10))+10];
bool certo;
void dfs(int u, int mask){
if(dp[u][mask]) return;
dp[u][mask] = true;
if(u == c){
certo = (mask&(1<<a) && mask&(1<<b));
}else{
for(auto v : grafo[u]){
if(mask&(1<<v)) continue;
dfs(v, mask | (1<<v));
}
}
}
main(){
ios::sync_with_stdio(false), cin.tie(0);
int n, m;
cin >> n >> m;
for(int i=1;i<=m;i++){
int a, b;
cin >> a >> b;
grafo[a].push_back(b);
grafo[b].push_back(a);
}
int ans=0;
for(a=1;a<=n;a++){
for(b=1;b<=n;b++){
for(c=1;c<=n;c++){
certo = false;
dfs(a, 1<<a);
ans += certo;
}
}
}
cout << ans << "\n";
return 0;
}
Compilation message
count_triplets.cpp:25:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
488 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
560 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
4 ms |
692 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
692 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
4 ms |
928 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |