View Code of Problem 53

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