Create minimum-deletions-to-make-array-beautiful.cpp

Author: kamyu104

C++/minimum-deletions-to-make-array-beautiful.cpp

@@ -0,0 +1,16 @@
+// Time:  O(n)
+// Space: O(1)
+
+// greedy
+class Solution {
+public:
+    int minDeletion(vector<int>& nums) {
+        int result = 0;
+        for (int i = 0; i + 1 < size(nums); ++i) {
+            if (i % 2 == result % 2 && nums[i] == nums[i + 1]) {
+                ++result;
+            }
+        }
+        return result + (size(nums) - result) % 2;
+    }
+};