maximum-points-you-can-obtain-from-cards

maximum-points-you-can-obtain-from-cards/sol.rs

@@ -0,0 +1,20 @@
+impl Solution {
+    pub fn max_score(card_points: Vec<i32>, k: i32) -> i32 {
+        let mut sum = card_points.iter()
+            .take(k as usize)
+            .sum::<i32>();
+        let mut max = sum;
+        for (sub, add) in card_points.iter()
+            .take(k as usize)
+            .rev()
+            .zip(
+                card_points.iter()
+                    .rev()
+                    .take(k as usize)
+            ) {
+            sum += add - sub;
+            max = max.max(sum);
+        }
+        max
+    }
+}