#include<bits/stdc++.h>
using namespace std;
long long n,m,ai,bi,ti,ci,sum,par[201];
vector<pair<int,int> >v[201];
vector<pair<long long,pair<int,int> > >edging;
vector<pair<int,int> >answer;
int get(int x){
if(par[x]==x)return x;
return par[x]=get(par[x]);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>n>>m;
for(int i=0;i<n;i++)par[i]=i;
for(int i=0;i<m;i++){
cin>>ai>>bi>>ti>>ci;
v[ai].push_back({bi,ci});
v[bi].push_back({ai,ci});
edging.push_back({ci,{ai,bi}});
}
sort(edging.begin(),edging.end());
for(int i=0;i<m;i++){
long long ci=edging[i].first;
int ai=edging[i].second.first;
int bi=edging[i].second.second;
if(get(ai)!=get(bi)){
answer.push_back({edging[i].second.first,edging[i].second.second});
par[ai]=get(bi);
sum+=ci;
}
}
cout<<sum<<' '<<sum<<'\n';
for(int i=0;i<answer.size();i++)cout<<answer[i].first<<' '<<answer[i].second<<'\n';
return 0;
}
Compilation message
timeismoney.cpp: In function 'int main()':
timeismoney.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | for(int i=0;i<answer.size();i++)cout<<answer[i].first<<' '<<answer[i].second<<'\n';
| ~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
5 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
6 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
7 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
8 |
Incorrect |
3 ms |
860 KB |
Output isn't correct |
9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
10 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
11 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
12 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
13 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
14 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
15 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
16 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
17 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
18 |
Incorrect |
2 ms |
344 KB |
Output isn't correct |
19 |
Incorrect |
3 ms |
860 KB |
Output isn't correct |
20 |
Incorrect |
3 ms |
860 KB |
Output isn't correct |