Комбинация
>>> from math import comb
>>> comb(10,3)
120
Phuong Anh Dang
>>> from math import comb
>>> comb(10,3)
120// Java program To calculate
// The Value Of nCr
class GFG {
static int nCr(int n, int r)
{
return fact(n) / (fact(r) *
fact(n - r));
}
// Returns factorial of n
static int fact(int n)
{
int res = 1;
for (int i = 2; i <= n; i++)
res = res * i;
return res;
}
// Driver code
public static void main(String[] args)
{
int n = 5, r = 3;
System.out.println(nCr(n, r));
}
}
// This code is Contributed by
// Smitha Dinesh Semwal.