Question

Recursion

Given int 8;

(1)   Write a program to solve 8! Using recursion technique.

(2)   Using RAM diagrams show how the parameters are passed in your code.

Answer 1

#include <iostream>

using namespace std;

int factorial(int n) 
{
    return n ? n * factorial(n-1) : 1;
}

int main()
{
    cout << factorial(8);
    return 0;
}