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Leetcode: 1338. Reduce Array Size to The Half (링크)  class Solution: def minSetSize(self, arr: List[int]) -> int: arr_length= len(arr) target = len(arr) // 2 cnt = 0 counter_arr = collections.Counter(arr) frequency = sorted(counter_arr.values()) while arr_length > target: arr_length -= frequency.pop() cnt += 1 return cnt참고한..