About 2 results for "interview prep"
26:07
LeetCode 146: LRU Cache | Explained Step by Step
19.4K views · 10 months ago
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Natalie Solves It
Full walkthrough of LeetCode problem 146 - LRU Cache. I explain the problem, design the data structure using a hash map and doubly linked list, implement it in Python, and analyze the time and space complexity.
22:25
LeetCode 200: Number of Islands | BFS vs DFS Solutions
15.8K views · 6 months ago
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Natalie Solves It
Solving LeetCode 200 - Number of Islands using both BFS and DFS approaches. I compare the two methods, explain when to use each, and walk through the code in Python with visual diagrams.