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Design Problems

LRU/LFU cache, iterators, data structure design, and system components.

📄️ Design Circular Queue

LeetCode 860 | Difficulty: Medium

📄️ Encode and Decode TinyURL

LeetCode 535 | Difficulty: Medium

📄️ Implement Queue using Stacks

LeetCode 232 | Difficulty: Easy

📄️ Implement Stack using Queues

LeetCode 225 | Difficulty: Easy

📄️ Logger Rate Limiter

LeetCode Link

📄️ LRU Cache

LeetCode 146 | Difficulty: Medium

📄️ Min Stack

LeetCode 155 | Difficulty: Medium