feat: Add Dasia's Game Results in ts

Author: Dasiame

lesson_12/structs_ts/src/lesson12.ts

@@ -6,6 +6,23 @@ 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 current: ListNode| null = head;
+    let evenPoints = 0;
+    let oddPoints = 0;
+    while (current !== null && current.next != null) {
+      if (current.val > current.next.val) {
+        evenPoints++;
+      } else if (current.val < current.next.val) {
+        oddPoints++;
+      }
+   current =current.next.next != undefined? current.next.next : null;
+    }
+    if (evenPoints > oddPoints) {
+      return 'Even';
+    } else if (oddPoints > evenPoints) {
+      return 'Odd';
+    } else {
+      return 'Tie';
+    }
   }
 }