View Code of Problem 53

#include <stdio.h>

int main(void)
{
	int i,n,j;
	int m=1;
	scanf("%d", &n);
	
	for (i=0; i<=2*n-1; ++i)
	{
		if (i <= 5)
		{
			for (j=0; j<5-i; ++j)
			{
				printf(" ");
			}
			for (j=0; j<2*i-1; ++j)
			{
				printf("*");
			}
		}
		else 
		{
			for (j=0; j<i-5; ++j)
			{
				printf(" ");
			}
			for (j=0; j<2*(10-i)-1; ++j)
			{
				printf("*");
			}
		}
		
		printf("\n");		
	}
	
	return 0;
}