day 6 and 7

2019/06/part2.js

@@ -0,0 +1,31 @@
+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)