addd 15

15.1.ts

@@ -0,0 +1,18 @@
+import { open } from 'node:fs/promises';
+
+function getHash(input: string) {
+    let curr = 0
+
+    for (var i = 0; i < input.length; i++) {
+        curr += input.charCodeAt(i)
+        curr *= 17
+        curr %= 256
+    }
+    return curr
+}
+
+const file = await open('./inputs/15');
+
+for await (const line of file.readLines()) {
+    console.log(line.split(',').map(getHash).reduce((acc, cur) => acc + cur, 0))
+}