aoc/2019/06/part2.js
2019-12-08 01:16:47 +00:00

31 lines
725 B
JavaScript

const fs = require("fs");
const text = fs.readFileSync("2019/06/input.txt", "utf-8");
let inputArr = text.split('\n');
let objNet = {};
let objArr = [];
inputArr.forEach(input => {
points = input.split(')');
objNet[points[1]] = {orbits: points[0]};
objArr.push(points[1]);
})
function getOrigin(obj, track, transfers = 0) {
center = objNet[obj]
if (center) {
objNet[obj]["distFrom"+track] = transfers-1;
transfers++;
return getOrigin(center.orbits, track, transfers)
} else {
return transfers
}
}
getOrigin("SAN", "SAN")
getOrigin("YOU", "YOU")
min = Infinity;
objArr.forEach(obj => {
totalDist = objNet[obj].distFromSAN + objNet[obj].distFromYOU;
min = totalDist < min? totalDist:min;
})
console.log(min)