تحديات برمجيةالتحدي السابع - حل التمرين الرابع بلغة C

#include <stdio.h>

void main() {

    int n;

    do {
        printf("Enter an odd number as the number of lines: ");
        scanf("%d", &n);
    }
    while (n <= 0 || n % 2 == 0);

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if ((i == 1 || i == n || j == n / 2 || j == n / 2 + 2 || j == i || j == n - i + 1)
                && i != n / 2 + 1 && j != n / 2 + 1)
            {
                printf("*");
            }
            else
            {
                printf(" ");
            }
        }
        printf("\n");
    }

}

Enter an odd number as the number of lines: 11
***** *****
 *  * *  * 
  * * * *  
   ** **   
    * *    
           
    * *    
   ** **   
  * * * *  
 *  * *  * 
***** *****