a2_q19.cpp

#include <iostream>
using namespace std;
int main(){
    int i,j,n;
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++){
            if(j==n/2+1 ||i==n/2+1 || (j==1 && i>n/2+1) || (j==n && i<n/2+1) || (i==1 && j<n/2+1) || (i==n && j>n/2+1)){
                cout<<"* ";
            }
            else{
                cout<<"  ";
            }
        }
        cout<<endl;

    }
}