Program C++ : Membuat Belah Ketupat

cara membuat belah ketupat ga ada bolongnya :D

#include <iostream.h>
#include <conio.h>

int main()
{
int tinggi;
cout<<("input : ");
cin>>tinggi;
int l = 1;
int n = tinggi/2;
cout<<"\n";
for(int i=1;i<=n;i++){
for(int k=n;k>i;k--){
cout<<" ";
}
for(int j=1;j<=l;j++){
cout<<"*";
}
l+=2;
cout<<"\n";
}
l -= 4;

for(int i=(n-1);i>=1;i--){
for(int k=i;k<=(n-1);k++){
cout<<" ";
}
for(int j=l;j>=1;j--){
cout<<"*";
}
l-=2;
cout<<"\n";
}
getch();
}