first day

2024/1.1.ts

@@ -0,0 +1,24 @@
+import fs from 'node:fs';
+
+
+const file = fs.readFileSync('./2024/inputs/1').toString();
+const left = []
+const right: number[] = []
+// for await (const line of file.readLines()) {
+    
+// }
+
+const regexes = file.matchAll(/^(\d+)   (\d+)$/gm)
+
+for(const match of regexes){
+    left.push(Number(match[1]))
+    right.push(Number(match[2]))
+}
+left.sort()
+right.sort()
+
+const result = left.reduce((_prev, curr, index)=>{
+    return _prev + Math.abs(curr - right[index])
+},0)
+
+console.log(result)