fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. int main() {
  4. 	int n;
  5. 	cin>>n;
  6. 	int a[n][n];
  7. 	for(int i=0; i<n; i++)
  8. 		for(int j=0; j<n; j++)
  9. 			cin>>a[i][j];
  10. 	string ans="NO";
  11. 	for(int i=0; i<n; i++){
  12. 		if(a[i][i]!=0) ans="YES";
  13. 		}
  14. 	cout<<ans;
  15.  
  16. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
copy 
5
1 1 1 1 0 
1 0 1 1 1 
1 1 0 1 1 
1 1 1 1 1 
0 1 1 1 0
stdout
copy 
YES
https://ideone.com/f88PHf
language:
C++14 (gcc 8.3)
created:
8 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!