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  1. #include<bits/stdc++.h>
  2. #define endl '\n'
  3. using namespace std;
  4. int main()
  5. {
  6. 	int n;
  7. 	cin>>n;
  8. 	int e;
  9. 	cin>>e;
  10. 	vector<pair<int,int>> g[n+1];
  11. 	for(int i=0;i<e;i++)
  12. 	{
  13. 		int a,b,wt;
  14. 		cin>>a>>b>>wt;
  15. 		g[a].push_back(make_pair(b,wt));
  16. 		g[b].push_back(make_pair(a,wt));
  17. 	}
  18.      for(int i=0;i<=n;++i)
  19.      {
  20.          if(g[i].size()==0)
  21.             cout<<i<<" is not connected to any vertex"<<endl;
  22.          else
  23.          {
  24.              cout<<i<<" is connected to following vertices with following weights"<<endl;
  25.              for(int j=0;j<g[i].size();++j)
  26.              {
  27.                  cout<<g[i][j].first<<" "<<g[i][j].second<<endl;
  28.              }
  29.          }
  30.      }
  31. 	return 0;
  32. }
  33.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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5 4
1 2 1
2 3 2
3 4 3
4 5 4
stdout
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0 is not connected to any vertex
1 is connected to following vertices with following weights
2 1
2 is connected to following vertices with following weights
1 1
3 2
3 is connected to following vertices with following weights
2 2
4 3
4 is connected to following vertices with following weights
3 3
5 4
5 is connected to following vertices with following weights
4 4
https://ideone.com/n0CDix
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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