d4p1

package.json

@@ -12,6 +12,6 @@
 
   },
   "scripts": {
-    "start": "nodemon src/2022/day3/index.ts"
+    "start": "nodemon src/2022/day4/index.ts"
   }
 }

src/2022/day4/example.txt

@@ -0,0 +1,6 @@
+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8

src/2022/day4/index.ts

@@ -0,0 +1,23 @@
+import path from 'path';
+import { readFile, sum } from "../../utils";
+
+let input = readFile(path.resolve(__dirname, 'input.txt'));
+
+const day1 = input.split('\n').filter(row => {
+    let first = ""
+    let second = ""
+
+    const [firstElf, secondElf] = row.split(',');
+    const [firstElfStart, firstElfEnd] = firstElf.split('-').map(Number);
+    const [secondElfStart, secondElfEnd] = secondElf.split('-').map(Number);
+
+    if (firstElfStart - secondElfStart >= 0 && secondElfEnd - firstElfEnd >= 0) return true;
+    if (secondElfStart - firstElfStart >= 0 && firstElfEnd - secondElfEnd >= 0) return true;
+}).length;
+
+console.log("Day1:", day1)
+
+
+// const day2 = input;
+
+// console.log("Day2:", day2);