Piramida Pascal C++

// SILAHKAN COMOT GANN
#include <iostream>
using namespace std;

int main()
{
    int baris, koef = 1;

    cout << "Masukan banyak baris: ";
    cin >> baris;

    for(int i = 0; i < baris; i++)
    {
        for(int spasi = 1; spasi <= baris-i; spasi++){
            cout <<"  ";
        }
        for(int j = 0; j <= i; j++)
        {
            if (j == 0 || i == 0){
                koef = 1;
            }
            else{
                koef = koef*(i-j+1)/j;
            }
            cout << koef << "   ";
        }
        cout << endl;
    }
    return 0;
}