View Code of Problem 53

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