Create maximum-element-after-decreasing-and-rearranging.cpp

Author: kamyu104

C++/maximum-element-after-decreasing-and-rearranging.cpp

@@ -0,0 +1,14 @@
+// Time:  O(nlogn)
+// Space: O(1)
+
+class Solution {
+public:
+    int maximumElementAfterDecrementingAndRearranging(vector<int>& arr) {
+        sort(begin(arr), end(arr));
+        int result = 1;
+        for (int i = 1; i < size(arr); ++i) {
+            result = min(result + 1, arr[i]);
+        }
+        return result;
+    }
+};