原文链接: https://leetcode-cn.com/problems/binary-tree-pruning
英文原文Given the root of a binary tree, return the same tree w
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原文链接: https://leetcode-cn.com/problems/ambiguous-coordinates
英文原文We had some 2-dimensional coordinates, like "(1,
原文链接: https://leetcode-cn.com/problems/linked-list-components
英文原文You are given the head of a linked list containing u
原文链接: https://leetcode-cn.com/problems/design-linked-list
英文原文Design your implementation of the linked list. You can c
原文链接: https://leetcode-cn.com/problems/short-encoding-of-words
英文原文A valid encoding of an array of words is any refere
原文链接: https://leetcode-cn.com/problems/binary-trees-with-factors
英文原文Given an array of unique integers, arr, where eac
原文链接: https://leetcode-cn.com/problems/friends-of-appropriate-ages
英文原文There are n persons on a social media website.
原文链接: https://leetcode-cn.com/problems/most-profit-assigning-work
英文原文You have n jobs and m workers. You are given thr
原文链接: https://leetcode-cn.com/problems/masking-personal-information
英文原文You are given a personal information string s,
原文链接: https://leetcode-cn.com/problems/design-circular-queue
英文原文Design your implementation of the circular queue. The