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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, m;
  6. 	cin>>n>>m;
  7. 	vector<int> graph[n];
  8. 	for(int i=0;i<m;i++){
  9. 		int x,y;
  10. 		cin>>x>>y;
  11. 		graph[x].push_back(y);
  12. 		graph[y].push_back(x);
  13. 	}
  14. 	for(int i=0;i<n;i++){
  15. 		int count=graph[i].size();
  16. 		cout<<"vertex "<<i<<": "<<count<<"\n";
  17. 	}
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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3 2
0 1
1 2
stdout
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vertex 0: 1
vertex 1: 2
vertex 2: 1
https://ideone.com/gUuI59
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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