View Code of Problem 53

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

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