Day 1 - Advent of Code 2019

Day 1 - Advent of Code 2019.js

var input = `149579
95962
97899
etc...`;

input = input.split("\n").map(n=>Number(n));

const part1 = (number) => {
    let val = (Math.floor(number/3)-2)
    return val > 0 ? val : 0
};

console.log("Part 1: "+input.reduce((val1,val2)=>val1+part1(val2),0))

const part2 = (number) => {
    let total = 0;
    let lastnum = number;
    while(lastnum !== 0){
        let sum = part1(lastnum);
        lastnum = sum;
        total += sum;
    }
    return total;
}

console.log("Part 2: "+input.reduce((val1,val2)=>val1+part2(val2),0))