Top 7 LeetCode Articles for Developers

Best LeetCode Resources

LeetCode is essential for coding interview prep. These resources help you study smarter, not just harder.

The Top 7

1. Blind 75 — the famous list of 75 must-do problems covering all patterns.
2. NeetCode 150 — curated problems with video solutions.
3. LeetCode Patterns — group problems by technique (sliding window, two pointers).
4. Grind 75 — customizable study plan by time available.
5. Tech Interview Handbook — free, comprehensive guide.
6. AlgoExpert — paid but high-quality explanations.
7. LeetCode Discuss — community solutions and tips.

Key Problem Patterns to Master

Pattern	Example Problem
Two Pointers	Two Sum II
Sliding Window	Longest Substring
BFS/DFS	Number of Islands
Dynamic Programming	Climbing Stairs

How to Practice Effectively

• Focus on patterns, not memorizing solutions.
• Start with Easy, build to Medium.
• Time yourself like a real interview.
• Review and re-solve missed problems.

FAQs

How many problems should I solve?

Quality over quantity — 150 well-understood beats 500 rushed. More in our Top 10 lists and interview prep.

Is LeetCode enough?

Combine it with system design study for senior roles.