View Code of Problem 53

#include <stdio.h>
#include <stdlib.h>
#include<ctype.h>
#include<string.h>
#include<math.h>

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