View Code of Problem 53

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,i,j;
	cin>>n;
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n-i;j++)
		cout<<" ";
	    for(j=1;j<=2*i-1;j++)
	    cout<<"*";
	    cout<<endl;
	}
		for(i=n-1;i>=1;i--)
	{
		for(j=1;j<=n-i;j++)
		cout<<" ";
	    for(j=1;j<=2*i-1;j++)
	    cout<<"*";
	    cout<<endl;
	}
	return 0;
}