DSA Interview Guides

This section currently covers an LRU cache implementation across Java, Python, and C++. Work through the data-structure design and use the coding practice workspace to continue solving problems.

LRU Cache Implementation: Step-by-Step in Java, Python & C++

This guide walks through an LRU cache implementation in Java, Python, and C++, using a hash map and a doubly linked list, with notes on complexity and thread-safety trade-offs.

Practice coding problems

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