#include<iostream.h>
#include<conio.h>
int main()
{
int fact(int), n, r;
float bino_co;
clrscr();
cout<<"Enter the value of n and r : ";
cin>>n>>r;
bino_co = fact(n)/(fact(n - r) * fact(r));
cout<<"Binomial coefficient is : " <<bino_co;
getch();
return 0;
}
int fact(int x)
{
int i, j, f= 1;
for (i=1; i<=x; i++)
{
f = f*i;
}
return f;
}