feat: add csharp to lc problem: No.1535 (#1928)

Author: dev-mauli

solution/1500-1599/1535.Find the Winner of an Array Game/solution.cs

@@ -0,0 +1,17 @@
+public class Solution {
+    public int GetWinner(int[] arr, int k) {
+        int maxElement = arr[0], count = 0;
+        for (int i = 1; i < arr.Length; i++) {
+            if (maxElement < arr[i]) {
+                maxElement = arr[i];
+                count = 1;
+            } else {
+                count++;
+            }
+            if (count == k) {
+                break;
+            }
+        }
+        return maxElement;
+    }
+}