pass problem 1423 - maximum points you can obtain from cards

Author: Bota5ky

double_pointers/maximum_points_you_can_obtain_from_cards/Solution.java

@@ -0,0 +1,21 @@
+package double_pointers.maximum_points_you_can_obtain_from_cards;
+
+/**
+ * @author Bota5ky
+ * @link <a href="https://leetcode.cn/problems/maximum-points-you-can-obtain-from-cards/">1423. 可获得的最大点数</a>
+ * @since 2023-11-03 20:57
+ */
+class Solution {
+    public int maxScore(int[] cardPoints, int k) {
+        int max = 0;
+        for (int i = 0; i < k; i++) {
+            max += cardPoints[i];
+        }
+        var sum = max;
+        for (int i = k - 1, j = cardPoints.length - 1; i >= 0; i--) {
+            sum = sum - cardPoints[i] + cardPoints[j--];
+            max = Math.max(max, sum);
+        }
+        return max;
+    }
+}