Cheat sheets
Pick a topic for a quick reference.
- Big O notationWhat Big O is, time vs space, how n and h are used, with examples from the problems.
- Interview tipsPatterns, string problems, tokenization, TypeScript tips, pacing, and end questions.
- Two PointersOpposite-ends and two-iterables patterns, complexity, and common use cases from the LeetCode crash course.
- Sliding WindowDynamic and fixed-size windows, counting subarrays, and comparison with two pointers from the LeetCode crash course.