View Code of Problem 53

#include<stdio.h>
int main()
{
	int n;
	scanf("%d",&n);
	int i,j,k;
	for(i=1,k=1;k<=n;i+=2,k++)
	{
		for(j=1;j<=n-k;j++)
			printf(" ");
		for(j=1;j<=i;j++)
		{
			printf("*");
		}
		printf("\n");	
	}
	
	
	for(i=i-4,k=n-1;k>=1;k--,i-=2)
	{
		for(j=1;j<=n-k;j++)
			printf(" ");
		for(j=1;j<=i;j++)
			printf("*");
		printf("\n");
		
	}
	
	
	
	
	return 0;
}