Write a c program to find out NCR factor of given number | CTechnotips


Alogrithm:

In the mathematics nCr has defined as
nCr = n! /((n-r)!r!)

Code :

#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;
 }

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