C program to print Herritage watch patterns

                                                                           

                                                               

#include<stdio.h>

#include<conio.h>

int main()

{

 int num,n,r,c,sp;

 printf("\n\tEnter number of rows: ");

 scanf("%d", &num);

 printf("\n");

 n=num;

 for(r=1; r<=num; r++)

 {

  for(sp=1; sp<=r; sp++)

             printf(" ");

  for(c=1; c<=n; c++)

             printf("*");

  for(c=num-r; c>=1; c--)

             printf("*");

  n--;

  printf("\n");

 }

 for(r=2; r<=num; r++)

 {

  for(sp=num-r+1; sp>=1; sp--)

             printf(" ");

  for(c=1; c<=r; c++)

             printf("*");

  for(c=r-1; c>=1; c--)

             printf("*");

  printf("\n");

 }

 return 0;

}