fork(1) download 
  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin>>n;
  8. 	int ms[n][n]={};
  9. 	for(int i=0; i<n; i++)
  10. 		for(int j=0; j<n; j++)
  11. 			cin>>ms[i][j];
  12. 	vector<pair<int,int>>sr;
  13. 	for(int i=0; i<n; i++)
  14. 		for(int j=i+1; j<n; j++)
  15. 			if(ms[i][j]==1) sr.push_back({i,j});
  16. 	int m=sr.size();
  17. 	for(int i=0; i<m; i++)
  18. 		cout<<sr[i].first<<" "<<sr[i].second<<endl;
  19.  
  20.  
  21.  
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 5300KB
comments (?)
stdin 
5
0 0 1 0 0 
0 0 1 0 1 
1 1 0 0 0 
0 0 0 0 0 
0 1 0 0 0
stdout 
0 2
1 2
1 4
https://ideone.com/U3UG7O
language:
C++ (gcc 8.3)
created:
14 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!