day two part one

02/code.js

@@ -1,22 +1,35 @@
 import { readFileSync } from 'node:fs';
 
-const inputArray = readFileSync('sample.txt').toString().split("\n");
-// const inputArray = readFileSync('input.txt').toString().split("\n");
+//const inputArray = readFileSync('sample.txt').toString().split(",");
+const inputArray = readFileSync('input.txt').toString().split(",");
 
 // Part One
 
-for (const element of inputArray) {
-  const contents = element.split(" ");
+let sum = 0;
 
+for (const element of inputArray) {
+  const contents = element.split("-");
+  const start = Number.parseInt(contents[0]);
+  const end = Number.parseInt(contents[1]);
+
+  for (let sku = start; sku <= end; sku++) {
+    const skuString = sku.toString();
+    const digits = skuString.length
+    if (digits % 2 === 0) {
+      if (skuString.slice(0, digits / 2) === skuString.slice(digits / 2)) {
+        sum += sku;
+      }
+    }
+  }
 }
 
-console.log();
+console.log(sum);
 
 
 // Part Two
 
 for (const element of inputArray) {
-  const contents = element.split(" ");
+  const contents = element.split("-");
 
 }