- Leetcode and Grind 75 (Mix)
the full problem index, organised by pattern.
- Arrays and Search Problems arrays and search35
- Strings and Sliding Window Problems strings and sliding window15
- Trees Problems trees20
- Graphs Problems graphs21
- Dynamic Programming Problems dynamic programming24
- Backtracking Problems backtracking9
- Stacks Problems stacks4
- 4
- Templates and Concepts Problems templates and concepts8
reusable templates (binary search, sliding window, acquire-release).
- Collections: important notes
- Data Structures and Algorithms Resources important notes
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