ganesha_pattern.cpp

#include <iostream>

using namespace std;

int main()
{
    int n,r,c;
    cin>>n;

    //first line
    
    for(int i = 0 ; i < n ; i++)
    {
        if(i==0)
            cout<<'*';
        
        else if(i>0&&i<(n/2))
            cout<<" ";
        else
            cout<<'*';
    }
    
    for(r = 1 ; r < (n/2) ; r++)
    {
        cout<<endl;
        
        for(c = 0 ; c < n ; c++)
        {
            if(c==0||c==(n/2))
                cout<<'*';
            else
                cout<<" ";
        }
    }
    
    cout<<endl;
    
    for(int i = 0 ; i < n ; i++)
        cout<<'*';

    
    //below
    r++;//r=3
    
    for( ; r < (n-1) ; r++)
    {
        cout<<endl;
        
        for(c = n-1 ; c >= 0 ; c--) //n-1 = 4
        {
            if(c==0||c==(n/2))
                cout<<'*';
            else
                cout<<" ";
        }
    }
    
    cout<<endl;
    
    for(int i = n-1 ; i >= 0 ; i--)
    {
        if(i==0)
            cout<<'*';
        
        else if(i>0&&i<(n/2))
            cout<<" ";
        else
            cout<<'*';
    }
    
    cout<<endl;
}