initial upload

2024/01/index.js

@@ -0,0 +1,36 @@
+import fs from 'node:fs'
+
+let all_deviation = 0
+
+fs.readFile('input.txt', ({ encoding: 'utf-8' }), (err, data) => {
+    let left_list = []
+    let right_list = []
+    for (let line of data.split('\n')) {
+        //console.log(`${line}`)
+        left_list.push(parseInt(line.split('   ')[0]))
+        right_list.push(parseInt(line.split('   ')[1]))
+    }
+    left_list.sort()
+    right_list.sort()
+
+    let difference = 0
+    for (let i = 0; i < left_list.length; i++) {
+        console.log(`left: ${left_list[i]} - right: ${right_list[i]}`)
+        difference += Math.abs(left_list[i] - right_list[i])
+    }
+    let similarity = 0
+
+
+    for (let i = 0; i < left_list.length; i++) {
+        let found = right_list.filter(number => number === left_list[i])
+        //console.log(found)
+        if (found.length > 0) {
+
+            similarity += found.length * left_list[i]
+        }
+
+
+    }
+    console.log(`difference: ${difference}`)
+    console.log(`similarity: ${similarity}`)
+})