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Neetcode Blind 75Official

The Blind 75 is a well-known collection of algorithmic practice problems widely used for coding interview preparation.

By FleetCode75 problems19 Easy49 Medium7 Hard16 followersUpdated 20 Apr 2025
Start: Contains Duplicate
75problems
19Easy
49Medium
7Hard

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Showing 7 of 75 problems · Hard · Clear

TitleSolutionAcceptDifficultyTopics
76. Minimum Window SubstringVideo
Solution48.3%Hard
Hash Table, Sliding Window +1· 35 companies
23. Merge k Sorted ListsVideo
Solution60.3%Hard
Divide and Conquer, Heap (Priority Queue) +2· 50 companies
124. Binary Tree Maximum Path SumVideo
Solution42.7%Hard
Binary Tree, Depth-First Search +2· 25 companies
297. Serialize and Deserialize Binary TreeVideo
Solution61.1%Hard
Binary Tree, Breadth-First Search +4· 23 companies
295. Find Median from Data StreamVideo
Solution54.9%Hard
Data Stream, Design +3· 40 companies
212. Word Search IIVideo
Solution38.8%Hard
Array, Backtracking +3· 21 companies
269. Alien DictionaryVideoPremium
Solution37.1%Hard
Array, Breadth-First Search +4· 18 companies

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