View Code of Problem 53

#include<stdio.h>
int main()
{
	int n,i,j,k;
	scanf("%d",&n);
	for(i = 0;i < n-1;i++)
    {
        for(j = 0;j < n-1-i;j++)
            printf(" ");
        for(k = 0;k < 2*i+1;k++)
            printf("*");
        for(k = 0;k < 2*i+1;k++)
            printf("*");
        putchar(10);
    }
    for(i = n-2;i >= 0;i--)
    {
        for(j = 0;j < n-1-i;j++)
            printf(" ");
        for(k = 0;k < 2*i+1;k++)
            printf("*");
        for(k = 0;k < 2*i+1;k++)
            printf("*");
        putchar(10);
    }
}