Create maximum-array-hopping-score-ii.cpp

Author: kamyu104

C++/maximum-array-hopping-score-ii.cpp

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+// Time:  O(n)
+// Space: O(1)
+
+// prefix sum, greedy
+class Solution {
+public:
+    long long maxScore(vector<int>& nums) {
+        int64_t result = 0;
+        for (int i = size(nums) - 1, mx = 0; i >= 1; --i) {
+            mx = max(mx, nums[i]);
+            result += mx;
+        }
+        return result;
+    }
+};