https://leetcode.com/problems/minimum-number-of-operations-to-make-array-empty/ class Solution: def minOperations(self, nums: List[int]) -> int: cache = {} def dfs(n): if n using dp and memoization.we only focus on number of count.class Solution: def minOperations(self, nums: List[int]) -> int: count = Counter(nums) res = 0 for n , c in count.i..