View Code of Problem 53

#include<stdio.h>
#include<stdlib.h>
#include<iostream>
using namespace std;
const int maxn=10010;
int prime[maxn];
bool p[maxn];
int pNum;
int main()
{

	int n=0;
	cin>>n;
	for(int k=1-n;k<=n-1;k++)
	{
		int i=n-abs(k);
		for(int j=1;j<=abs(k);j++)
		printf(" ");
		for(int j=1;j<=2*i-1;j++)
		printf("*");
		printf("\n");
	}
}