renamed 2 digit file names

2018/06/part2.js

@@ -0,0 +1,19 @@
+const fs = require('fs');
+let input = fs.readFileSync('input.txt', 'utf-8').split('\n').map(v => v.split(',').map(Number));
+let minX = input.reduce((a, b) => Math.min(a[0] || a, b[0]));
+let minY = input.reduce((a, b) => Math.min(a[1] || a, b[1]));
+let maxX = input.reduce((a, b) => Math.max(a[0] || a, b[0]));
+let maxY = input.reduce((a, b) => Math.max(a[1] || a, b[1]));
+let amt = 0
+for (let y = minY; y <= maxY; y++) {
+	for (let x = minX; x <= maxX; x++) {
+		let total = input.reduce((a, b) => (typeof a == 'number' ? a : dist([x, y], a)) + dist([x, y], b));
+		amt += total < 10000 ? 1 : 0;
+	}
+}
+
+function dist(c1, c2) {
+	return Math.abs(c1[0] - c2[0]) + Math.abs(c1[1] - c2[1])
+}
+
+console.log(amt)