Factorial a Number Using Recursion in C++

 A program that will demonstrate how to use recursion to solve the factorial value of the given number using C++ programming language.

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Program Listing

#include <iostream>

int factorial(int n);

int main()
{
    int num_val=0;

    std::cout << "\n\n";
    std::cout << "\tFactorial a Number Using Recursion in C++";
    std::cout << "\n\n";
    std::cout << "\tGive a Number : ";
    std::cin >> num_val;

	std::cout << "\n\n";
    std::cout << "\tFactorial of " << num_val << " = " 
	          << factorial(num_val);
	          
	std::cout << "\n\n";
	std::cout << "\tEnd of Program";
	std::cout << "\n\n";
    return 0;
}

int factorial(int n)
{
    if(n > 1)
        return n * factorial(n - 1);
    else
        return 1;
}