View Code of Problem 53

#include<stdio.h>
int main()
{
	int i,j,k;
  	int n;
  	scanf("%d",&n);
  	for(i=1;i<=n;i++)
        {
        	for(j=1;j<=n-i;j++)
                  printf(" ");
          	for(k=1;k<=2*i-1;k++)
                  printf("*");
          	printf("\n");
        }
  	for(i=n-1;i>=1;i--)
        {
        	for(j=1;j<=n-i;j++)
                  printf(" ");
          	for(k=1;k<=2*i-1;k++)
                  printf("*");
          	printf("\n");
        }
  	return 0;
}