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Author: hogan-tech

2870-minimum-number-of-operations-to-make-array-empty/2870-minimum-number-of-operations-to-make-array-empty.py

@@ -0,0 +1,18 @@
+from collections import Counter
+from math import ceil
+from typing import List
+
+
+class Solution:
+    def minOperations(self, nums: List[int]) -> int:
+        dataSet = Counter(nums)
+        sumOperations = 0
+        for value in dataSet.values():
+            if value == 1:
+                return -1
+            sumOperations += ceil(value / 3)
+        return sumOperations
+
+
+nums = [2, 1, 2, 2, 3, 3]
+print(Solution().minOperations(nums))