#include <iostream>
#include <stdio.h>
#include <conio.h>
    //sourcea.ir
using namespace std;
void fasele(int n){
for(int i=1;i<=n;i++)
cout<<" ";
return;
}
//---------------------
int main(){
int n;
cout<<"Enter Number... ";
cin>>n;
cout<<"\n";
int a=n,b=n-1,c=n-1;
for(int i=1;i<=2*n-1;i+=2){
fasele(a);
 for(int j=1;j<=i;j++)
 cout<<"*";
 fasele(b);
 fasele(c);
 for(int k=1;k<=i;k++){

 cout<<"*";}
 cout<<endl;
 a--;
 b--;
 c--;
 }
int d=2,e=1,f=1;
for(int i=2*n-3;i>=1;i-=2){
 fasele(d);
 for(int j=1;j<=i;j++)
 cout<<"*";
 fasele(e);
 fasele(f);
 for(int k=1;k<=i;k++)
 cout<<"*";
 cout<<endl;
 e++;
 f++;
 d++;
 }
cout<<"\n";
cout<<"---------------------------------------------------\n\n";
cout<<" Press a key to exit... \n";
getch();
 }