routine

25/12/comp/28q1.cpp

@@ -0,0 +1,22 @@
+#include <algorithm>
+#include <climits>
+#include <vector>
+class Solution {
+public:
+    long long maximumScore(std::vector<int>& nums) {
+        std::vector<long long> pre;
+        int n = nums.size();
+        long long sum = 0;
+        for (int i = 0; i < n; i++) {
+            sum += nums[i];
+            pre.push_back(sum);
+        }
+        int mins = nums[n - 1];
+        long long ans = pre[n-2] - mins;
+        for (int i = n - 3; i >= 0; i--) {
+            mins = std::min(mins,nums[i+1]);
+            ans = std::max(ans,pre[i] - mins);
+        }
+        return ans;
+    }
+};