Create maximum-points-after-enemy-battles.cpp

Author: kamyu104

C++/maximum-points-after-enemy-battles.cpp

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+// Time:  O(n)
+// Space: O(1)
+
+// greedy
+class Solution {
+public:
+    long long maximumPoints(vector<int>& enemyEnergies, int currentEnergy) {
+        const int mn = ranges::min(enemyEnergies);
+        return currentEnergy >= mn ? ((currentEnergy - mn) + accumulate(cbegin(enemyEnergies), cend(enemyEnergies), 0ll)) / mn : 0;
+    }
+};