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2022年8月7日 #

LeetCode 47 Permutations II 可重集全排列

摘要： Given a collection of numbers, nums, that might contain duplicates, return all possible unique permutations in any order. Solution 对于有重复元素的全排列，我们用 $se 阅读全文

posted @ 2022-08-07 17:28 Blackzxy 阅读(15) 评论(0) 推荐(0) 编辑

LeetCode 90 Subsets II 回溯

摘要： Given an integer array nums that may contain duplicates, return all possible subsets (the power set). The solution set must not contain duplicate subs 阅读全文

posted @ 2022-08-07 04:53 Blackzxy 阅读(13) 评论(0) 推荐(0) 编辑

LeetCode 797 All Paths From Source to Target 回溯

摘要： Given a directed acyclic graph (DAG) of n nodes labeled from 0 to n - 1, find all possible paths from node 0 to node n - 1 and return them in any orde 阅读全文

posted @ 2022-08-07 02:59 Blackzxy 阅读(12) 评论(0) 推荐(0) 编辑