#include <bits/stdc++.h>
using namespace std;
const int N = 201;
int comp[N],siz[N];
int sum=0;
vector<pair<int,int>> ans;
int getComp(int node){
if (comp[node] != node) comp[node] = getComp(comp[node]);
return comp[node];
}
bool merge(int a, int b){
a = getComp(a);
b = getComp(b);
if (a != b){
if (siz[a] < siz[b]) swap(a,b);
//cout << a << ' ' << b << ' ' << cost << endl;
siz[a] += siz[b];
comp[b] = a;
return true;
}
return false;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n,m;
cin >> n >> m;
vector<tuple<int,int,int>> v;
for (int i=0; i<m; ++i){
int x,y,t,c;
cin >> x >> y >> t >> c;
v.emplace_back(t,x,y);
}
for (int i=0; i<n; ++i){
siz[i] = 1;
comp[i] = i;
}
sort(v.begin(),v.end());
for (auto [t,x,y]:v){
if (merge(x,y)){
sum += t;
ans.emplace_back(x,y);
}
}
cout << sum << ' ' << sum << '\n';
for (auto i:ans) cout << i.first << ' ' << i.second << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
320 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
336 KB |
Output is correct |
8 |
Correct |
4 ms |
724 KB |
Output is correct |
9 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
13 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
14 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
15 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
16 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
17 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
18 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
19 |
Incorrect |
4 ms |
716 KB |
Output isn't correct |
20 |
Incorrect |
6 ms |
724 KB |
Output isn't correct |