Problem 4 from https://www.shiftedup.com/2015/05/07/five-programming-problems-every-software-engineer-should-be-able-to-solve-in-less-than-1-hour

problem4.js

// write a function that given a list of non negative integers, arranges them
// such that they form the largest possible number.
// [50, 2, 1, 9] -> 95021

function arrange(array) {
	array.sort(function(a, b) {
		return String(a) < String(b);
	});
	return parseInt(array.join(''));
}

var array = [50, 2, 1, 9, 55];
console.log(arrange(array));