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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	int i,j,n;
  5. 	scanf("%d",&n);
  6. 	for(i=1;i<=n;i++){
  7. 		for(j=1;j<=i;j++){
  8. 			if(i%2==0){
  9. 				printf("1 ");
  10. 			}
  11. 			else{
  12. 				printf("0 ");
  13. 			}
  14. 		}
  15. 		printf("\n");
  16. 	}
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 5292KB
comments (?)
stdin 
5
stdout 
0 
1 1 
0 0 0 
1 1 1 1 
0 0 0 0 0
https://ideone.com/KkiTBK
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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