Question

Write a function fact(int n) to find the factorial of a number n. Include a main class to
find the value of S where:
S =n!/m!(n-m)!
where, n'= 1x 2 x 3 x.....................to
X n​

Answer 1

Answer:

C++ Program

#include<iostream>

using namespace std;

int main() {

int num,factorial=1;

cout<<" Enter Number To Find Its Factorial: ";

cin>>num;

for (int a=1;a<=num;a++) {

factorial=factorial*a;