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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     int n;
  5.     scanf("%d",&n);
  6.     for(int i = 0; i < n ; i++){
  7.     	for(int j = 0 ; j < n ; j++){
  8.     		printf((i == 0 || i == n - 1 || j == 0 || j == n - 1) ? "*" : " ");
  9.     	}
  10. 		printf("\n");
  11.     }
  12.  
  13.     return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
4
stdout 
****
*  *
*  *
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https://ideone.com/Fd762A
language:
C (gcc 8.3)
created:
17 days ago
visibility:
public

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