原文链接: https://leetcode-cn.com/problems/lru-cache
英文原文Design a data structure that follows the constraints of a Least R
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原文链接: https://leetcode-cn.com/problems/min-stack
英文原文Design a stack that supports push, pop, top, and retrieving the m
原文链接: https://leetcode-cn.com/problems/binary-search-tree-iterator
英文原文Implement the BSTIterator class that represents
原文链接: https://leetcode-cn.com/problems/implement-trie-prefix-tree
英文原文A trie (pronounced as "try") or prefix
原文链接: https://leetcode-cn.com/problems/design-add-and-search-words-data-structure
英文原文Design a data structure that sup
原文链接: https://leetcode-cn.com/problems/implement-queue-using-stacks
英文原文Implement a first in first out (FIFO) queue us
原文链接: https://leetcode-cn.com/problems/peeking-iterator
英文原文Design an iterator that supports the peek operation on an
原文链接: https://leetcode-cn.com/problems/find-median-from-data-stream
英文原文The median is the middle value in an ordered i
原文链接: https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree
英文原文Serialization is the process of conve
原文链接: https://leetcode-cn.com/problems/range-sum-query-immutable
英文原文Given an integer array nums, handle multiple quer
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