LeetCode 150
Master the most important algorithm engineering problems with our curated list of 150 essential challenges. Track your progress and excel in senior engineering interviews.
LeetCode 150 Problems - The Essential List for Coding Interviews
Why LeetCode 150?
- • 150 most frequently asked LeetCode problems
- • Covers 90% of coding interview questions
- • Curated by FAANG engineers and hiring managers
- • Perfect balance of difficulty and importance
- • Updated for 2024 interview trends
Complete Coverage
- • Arrays & Strings (25 problems)
- • Linked Lists (15 problems)
- • Trees & Graphs (30 problems)
- • Dynamic Programming (20 problems)
- • Greedy & Backtracking (15 problems)
- • System Design & Concurrency (15 problems)
How to Master LeetCode 150
1. Start with Easy
Begin with Easy problems to build confidence and understand patterns.
2. Focus on Patterns
Learn common algorithmic patterns like Two Pointers, Sliding Window, DFS/BFS.
3. Time Management
Practice solving problems within 30-45 minutes to simulate real interviews.
LeetCode 150 Problem Distribution
Easy (50 problems)
Basic data structures, simple algorithms, warm-up problems
Medium (75 problems)
Most interview questions, pattern recognition, optimization
Hard (25 problems)
Advanced algorithms, complex data structures, senior level
Your Progress
Track your journey through the essential 150 problems
LeetCode 150 Frequently Asked Questions
What is LeetCode 150?
LeetCode 150 is a curated list of the 150 most important and frequently asked coding interview problems. This list covers 90% of questions asked in technical interviews at top tech companies like Google, Amazon, Facebook, Apple, and Microsoft.
How long does it take to complete LeetCode 150?
Most developers complete the LeetCode 150 list in 2-3 months with consistent practice. Beginners should allocate 3-4 months, while experienced programmers can finish in 6-8 weeks with daily practice.
Is LeetCode 150 enough for FAANG interviews?
Yes, LeetCode 150 covers the essential patterns and problems needed for FAANG interviews. However, we recommend additional practice with system design and behavioral questions for senior positions.
What's the difference between LeetCode 150 and Blind 75?
Blind 75 is a subset of LeetCode 150, focusing on the most critical problems. LeetCode 150 provides broader coverage and is recommended for comprehensive interview preparation.
Should I solve LeetCode 150 in order?
We recommend starting with Easy problems across all categories, then moving to Medium, and finally Hard problems. This approach builds confidence and ensures comprehensive understanding.
How often should I practice LeetCode 150 problems?
Aim for 2-3 problems daily for consistent progress. Quality practice is more important than quantity - focus on understanding patterns and optimizing solutions.