Design a data structure that follows the constraints of a Least Recently Used (LRU) cache. Implement the LRUCache class: LRUCache(int capacity) Initialize the LRU cache with positive …

To determine the least frequently used key, a use counter is maintained for each key in the cache. The key with the smallest use counter is the least frequently used key.

Cache With Time Limit - Write a class that allows getting and setting key-value pairs, however a time until expiration is associated with each key. The class has three public methods: set (key, …

Can you solve this real interview question? Time Based Key-Value Store - Design a time-based key-value data structure that can store multiple values for the same key at different time …

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Example 1: [https://assets.leetcode.com/uploads/2021/03/04/reorder1linked-list.jpg] Input: head = [1,2,3,4] Output: [1,4,2,3] Example 2: …

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Aug 5, 2025 · Balancing Problem-Solving Skills and Financial Challenges During Learning Hello everyone,While preparing on LeetCode, I realized that coding practice is not just about …

Can you solve this real interview question? Kth Largest Element in an Array - Given an integer array nums and an integer k, return the kth largest element in the array. Note that it is the kth …

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