#include<stdio.h>

int main(){

int n,r,ncr;

printf("Enter any two numbers->");

scanf("%d %d",&n,&r);

ncr=fact(n)/(fact(r)*fact(n-r));

printf("The NCR factor of %d and %d is %d",n,r,ncr);

return 0;

}

int fact(int n){

int i=1;

while(n!=0){

i=i*n;

n--;

}

return i;

}

**Algorithm:**

**In the mathematics**

^{n}C_{r}has defined as^{n}C

_{r}= n! /((n-r)!r!)

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