View Code of Problem 53

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