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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() 
  5. 	{
  6. 		int n;
  7. 		scanf("%d",&n);
  8. 		int k[n][n];
  9. 		for(int i=0;i<n;i++)
  10. 			{
  11. 				for(int j=0;j<n;j++)
  12. 					{
  13. 						if((i+j)%2==0)k[i][j]=1;
  14. 						else k[i][j]=0;
  15. 					}
  16. 			}
  17. 		for(int i=0;i<n;i++)
  18. 			{
  19. 				for(int j=0;j<n;j++)
  20. 					{
  21. 						printf("%d ",k[i][j]);
  22. 					}
  23. 				printf("\n");
  24. 			}
  25. 		return 0;
  26. 	}
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
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5
stdout
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1 0 1 0 1 
0 1 0 1 0 
1 0 1 0 1 
0 1 0 1 0 
1 0 1 0 1
https://ideone.com/PLpMTj
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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