add 2025

2025/1.1.ts

@@ -0,0 +1,20 @@
+import { open } from 'node:fs/promises';
+
+
+const file = await open('./2025/inputs/1');
+let angle = 50
+let count = 0
+for await (const line of file.readLines()) {
+    const prefix = line[0]
+    const sign = (prefix == "L") ? -1 : 1
+    const value = Number(line.slice(1)) * sign
+    angle += value
+    if (angle < 0) {
+        angle += 100
+    }
+    angle %= 100
+    if (angle == 0) {
+        count++
+    }
+}
+console.log(count)