Faktoriál

#include <iostream>
using namespace std;
 
int fact1 (int n)
{
    int s = 1;
    for (int k = 1; k <= n; k++)
    {
        s = s * k;
    }
    return s;
}
 
int fact (int n)
{
    if (n > 1)
    {
        return n * fact(n - 1);
    }
    else
    {
        return 1;
    }
}
 
int comb (int n, int k)
{
    return fact (n) / ( fact(k) * fact(n - k) );
}
 
int main ()
{
    for (int n = 0; n <= 7; n++)
    {
        for (int k = 0; k <= n; k++)
        {
            cout << comb(n, k) << " ";
        }
        cout << endl;
    }
}