15. 3Sum 출체 회사: Amazon 32, Facebook 16, Apple 9, Google 9, Bloomberg 8, Adobe 7.. 개념: Array, Two pointer, sorting class Solution: def threeSum(self, nums: List[int]) -> List[List[int]]: nums = sorted(nums) l, r = 0, 1 ans = [] while l < len(nums)-1 and r
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