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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.  
  8.     int m;
  9.     printf("Enter the number of columns: \n");
  10.     scanf("%d",&m);
  11.  
  12.     for(int i=1;i<=n;i++){
  13.        for(int j=1;j<=m;j++){
  14.  
  15.          if(i==1||i==n || j==1|| j==m )
  16.          printf(" * ");
  17.  
  18.          else printf("   ");
  19.          }
  20.  
  21.          printf("\n");
  22.      }
  23.  
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 5284KB
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stdin
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5
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stdout
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Enter the number of rows: 
Enter the number of columns: 
 *  *  *  * 
 *        * 
 *        * 
 *        * 
 *  *  *  *
https://ideone.com/duoFa5
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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