#include "pch.h"
#include <iostream>
#include <string>
using namespace std;


int main()
{

}

// A function that counts 1..N

// Multiply 
// mul(3, 5) = 15
// mul(7, 3) = 21



// A function that adds 1..N
// sum(1) = 1
// sum(3) = 6
// sum(-4) is an illegal question

// a function that computes the factorial of n.
// fac(3) = 6     // 3*2*1
// fac(5) = 120   // 5*4*3*2*1

// Make a method that computes A to the Bth power
// power(3, 5)   -> 243
// power(2, 3)   -> 8
// power(0, 1)   -> 0
// power(0, 0)->anything you want

// Djikstra's GCD algorithm
// gcd(a, b)->a if a == b
// gcd(a, b)->gcd(a - b, a) if a > b


// PrintBackwards
// printBackwards("pretty") should print "yttep".It returns nothing.
// printBackwards("gene") should print "eneg".It returns nothing.

// IsPalindrome
// isPalindrome("abba") = true
// isPalindrome("fred") = false
// isPalindrome("") = true and does not crash