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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. 			printf("%d",j);
  9. 		}
  10.  
  11. 		for(j=i-1;j>=1;j--){
  12.  
  13. 			printf("%d",j);
  14.  
  15.  
  16. 		}
  17. 		printf("\n");
  18. 	}
  19.  
  20. 	return 0;
  21. }
  22.  
Success #stdin #stdout 0s 5296KB
comments (?)
stdin 
5
stdout 
1
121
12321
1234321
123454321
https://ideone.com/uZm6Kl
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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