Angka segitiga desscending kanan C++

int baris;

int kolom;

n=6;

cout<<"Belah Ketupat"<<endl;

cout<<"-------------"<<endl;

cout<<endl;

for(baris=1; baris<=n; baris++)

{

for(kolom=1; kolom<=baris-1; kolom++)

cout<<" ";

          for(kolom=1; kolom<=n-baris; kolom++)

cout<<kolom;

cout<<endl;

}

getch();

}