2020 day 1 and 2 (:

2020/02/part1.js

@@ -0,0 +1,17 @@
+const fs = require('fs');
+let data = fs.readFileSync('input.txt', 'utf-8');
+let lines = data.split('\n').map(x => x.split(" "));
+let count = 0
+for (let i = 0; i < lines.length; i++) {
+  let line = lines[i]
+  let lim = line[0].split("-")
+  let char = line[1].substring(0, 1)
+  let pass = line[2]
+  let match = pass.match(new RegExp(char, 'g'))
+  if (!match) { continue }
+  let matches = match.length
+  if (matches < lim[0] || matches > lim[1]) { continue }
+  console.log(pass)
+  count++
+}
+console.log(count)