Add 2024/day1/part1.js

2024/day1/part1.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+
+const list1=[];
+const list2=[];
+
+require('fs').readFileSync('input.txt','utf8').split('\n').filter(i=>i).forEach(line=>{
+ const parts = line.split('   ').map(i=>parseInt(i));
+ list1.push(parts[0]);
+ list2.push(parts[1]);
+});
+
+list1.sort((a,b)=>a-b);
+list2.sort((a,b)=>a-b);
+
+var dist=0;
+for(let idx in list1) {
+ dist+=Math.abs(list1[idx]-list2[idx]);
+}
+
+console.log('Result:',dist);