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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, m;
  6. 	cin>>n>>m;
  7. 	int graph[n][n];
  8. 	for(int i=0;i<m;i++){
  9. 		int x,y;
  10. 		cin>>x>>y;
  11. 		graph[x][y]=1;
  12. 		graph[y][x]=1;
  13. 	}
  14. 	for(int i=0;i<n;i++){
  15. 		for(int j=0;j<n;j++){
  16. 			if(graph[i][j]==1){
  17. 				cout<<"("<<i<<" "<<j<<")";
  18. 			}
  19. 		}
  20. 		cout<<"\n";
  21. 	}
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 5296KB
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https://ideone.com/qTYwpQ
language:
C++ (gcc 8.3)
created:
9 hours ago
visibility:
public

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