在C語言中編寫一個列印正方形內嵌正方形的程式

Accept the number of rows the outer Square to be drawn
Display the Outer Square with the number of rows specified by the User.
Display another square inside the outer square.

/* Program to print Square inside Square */
#include <stdio.h>
int main()
{
   int r, c, rows;
   clrscr();
   printf("Enter the Number of rows to draw Square inside a Square: ");
   scanf("%d", &rows);
   printf("</p><p>");
   for (r = 1; r <= rows; r++){
      for (c = 1; c <= rows; c++){
         if ((r == 1 || r == rows || c == 1 || c == rows) || (r >= 3 && r <= rows - 2 && c >= 3 && c             <= rows - 2) && (r == 3 || r == rows - 2 || c == 3 || c == rows - 2)){
               printf("#");
         }
         else{
            printf(" ");
         }
      }
      printf("</p><p>");
   }
   getch();
   return 0;
}