소프트웨어에 대한 모든 것

47. Permutations II https://leetcode.com/problems/permutations-ii/ Permutations II - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 문제) 솔루션1) 백트래킹 백트래킹 방식으로 순열을 한땀 한땀 구현합니다. class Solution: def permuteUnique(self, nums: List[int]) -> List[List[int]]: res = [] def recur(cur, remain..