#include<iostream>
using namespace std;
int main()
{
    int size;
    cout<<"Enter size of Diamond: ";
    cin>>size;

    int z=1;

    for ( int i=0; i<=size; i++)
    {
        for (int j=size; j>i; j--)
        {
            cout<<" "; // printing space here
        }

        cout<<"*"; // printing asterisk here

        if ( i>0)
        {
            for ( int k=1; k<=z; k++)
            {
                cout<<" ";
            }
            z+=2;
            cout<<"*";
        }
        cout<<endl; // end line similar to n
    }

    z-=4;

    for (int i=0; i<=size-1; i++)
    {
        for (int j=0; j<=i; j++)
        {
            cout<<" ";
        }

        cout<<"*";

        for (int k=1; k<=z; k++)
        {
            cout<<" ";
        }
        z-=2;

        if (i!=size-1)
        {
            cout<<"*";
        }
        cout<<endl;
    }
    return 0;
}