#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long , long long > pl;
const int N=1e6+1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,h,a[1234567],w,x,y,z;
bool used[1234];
vector<ll> v[1234];
void dfs(ll x,ll y){
if(y != 0) ans += y-1;
used[x] = 1;
for(ll i=0;i<v[x].size();i++){
ll u = v[x][i];
if(used[u]==0) dfs(u,y+1);
}
}
int main(){
cin>>n>>m;
for(ll i=0;i<m;i++){
ll a,b;
cin>>a>>b;
a--;
b--;
v[a].pb(b);
v[b].pb(a);
}
for(ll i=0;i<n;i++){
rep(j,0,n)used[j]=0;
dfs(i,0);
}
cout<<ans;
}
Compilation message
count_triplets.cpp: In function 'void dfs(ll, ll)':
count_triplets.cpp:36:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ll i=0;i<v[x].size();i++){
~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
131 ms |
12824 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
384 KB |
Output is correct |
2 |
Correct |
16 ms |
384 KB |
Output is correct |
3 |
Correct |
16 ms |
384 KB |
Output is correct |
4 |
Correct |
24 ms |
384 KB |
Output is correct |
5 |
Correct |
20 ms |
384 KB |
Output is correct |
6 |
Correct |
22 ms |
384 KB |
Output is correct |
7 |
Correct |
22 ms |
472 KB |
Output is correct |
8 |
Correct |
20 ms |
384 KB |
Output is correct |
9 |
Correct |
20 ms |
384 KB |
Output is correct |
10 |
Correct |
14 ms |
448 KB |
Output is correct |
11 |
Correct |
14 ms |
544 KB |
Output is correct |
12 |
Correct |
7 ms |
384 KB |
Output is correct |
13 |
Correct |
4 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
9 ms |
384 KB |
Output is correct |
18 |
Correct |
9 ms |
384 KB |
Output is correct |
19 |
Correct |
9 ms |
384 KB |
Output is correct |
20 |
Correct |
12 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
119 ms |
14044 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
444 KB |
Output is correct |
2 |
Correct |
22 ms |
384 KB |
Output is correct |
3 |
Incorrect |
20 ms |
384 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
122 ms |
13944 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |