Day 01 - Functions.js

// ========================
//       Information
// ========================

// Direct Link: https://www.hackerrank.com/challenges/js10-function/problem
// Difficulty: Easy
// Max Score: 10
// Language: JavaScript (Node.js)

// ========================
//         Solution
// ========================

// Create the function factorial here

function factorial(n) {
    if (n < 2) {
        return 1;
    }
    return n * factorial(n-1);
}

function main() {
    const n = +(readLine());
    
    console.log(factorial(n));
}