feat: implemented TS method for gameResult

Author: marleomac3

lesson_12/structs_ts/src/lesson12.ts

@@ -6,6 +6,27 @@ export class Lesson12 {
    * https://github.com/yang-su2000/Leetcode-algorithm-practice/tree/master/3062-winner-of-the-linked-list-game
    */
   public gameResult(head: ListNode | null): string {
-    return '';
+    let oddPoints: number = 0;
+    let evenPoints: number = 0;
+
+    let curr = head;
+
+    while (curr != null && curr.next != null) {
+      if (curr.val > curr.next.val) {
+        evenPoints++;
+      } else if (curr.val < curr.next.val) {
+        oddPoints++;
+      }
+      curr = curr.next.next as ListNode;
+    }
+
+    if (oddPoints > evenPoints) {
+      return "Odd";
+    } else if (oddPoints < evenPoints) {
+      return "Even";
+    } else {
+      return "Tie";
+    }
   }
 }
+