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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5.     printf("Enter the number of rows: \n");
  6.     scanf("%d",&n);
  7.     int min=0;
  8.      for(int i=1;i<=n;i++){
  9.          for(int j=1;j<=n;j++){
  10.  
  11.               int a=i;
  12.             if(i>n) a= 2*n-i;
  13.               int b=j;
  14.             if(b>n) b= 2*n-j;
  15.               printf("%d",min);
  16.  
  17.            }
  18.  
  19.            printf("\n"); 
  20.  
  21.     }
  22. 	return 0;
  23. }
  24.  
Success #stdin #stdout 0s 5312KB
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stdin
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7
stdout
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Enter the number of rows: 
0000000
0000000
0000000
0000000
0000000
0000000
0000000
https://ideone.com/JyBl9g
language:
C (gcc 8.3)
created:
18 days ago
visibility:
public

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