1 files changed, 39 insertions, 0 deletions
diff --git a/2870/main.py b/2870/main.py
new file mode 100755
index 0000000..6534c78
--- /dev/null
+++ b/2870/main.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+import typing
+
+
+class Solution:
+    def minOperations(self, nums: typing.List[int]) -> int:
+        dicts: typing.Dict = {}
+        for num in nums:
+            if num in dicts:
+                dicts[num] += 1
+            else:
+                dicts[num] = 1
+
+        sum = 0
+        print(dicts)
+        for k, v in dicts.items():
+            if v == 1:
+                return -1
+            sum += v // 3
+            if v % 3:
+                sum += 1
+
+        return sum
+
+
+def main():
+    solution = Solution()
+    print(solution.minOperations([2, 3, 3, 2, 2, 4, 2, 3, 4]))
+    print(solution.minOperations([2, 1, 2, 2, 3, 3]))
+    print(
+        solution.minOperations(
+            [14, 12, 14, 14, 12, 14, 14, 12, 12, 12, 12, 14, 14, 12, 14, 14, 14, 12, 12]
+        )
+    )
+    print(solution.minOperations([19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19]))
+
+
+if __name__ == "__main__":
+    main()