Blog & Resources

LeetCode Prep Insights

Practical guides, tips, and stories on coding interviews and smarter LeetCode practice with AI.

43 articles

A 30-Minute LeetCode Plan for Busy Engineers: Stay Interview-Ready Without Burning Out

If you only have half an hour a day, you can still get sharper. Follow this focused schedule, avoid context switching, and use AI sparingly to keep your LeetCode practice consistent.

LeetCodePractice PlanProductivityInterview Prep

LeetCopilot Team

12 min

10/24/2025

Build a LeetCode Notes System That Becomes Your Personal Knowledge Base

Stop scattering solutions across tabs. Create a reusable notes template, add spaced repetition, and turn every solved problem into a searchable interview asset.

Study StrategyLeetCodeProductivityInterview Prep

LeetCopilot Team

11 min

10/18/2025

How to Debug LeetCode Solutions Effectively: Common Mistakes and Systematic Approaches

Debugging is a critical skill for coding interviews, but most candidates struggle with it. Learn systematic debugging techniques, common mistake patterns, and practical strategies to find and fix bugs faster in your LeetCode solutions.

DebuggingLeetCodeInterview PrepProblem SolvingBest PracticesCoding Skills

Emily Rodriguez

20 min

10/17/2025

LeetCode Dynamic Programming for Beginners: A Complete Step-by-Step Tutorial

Dynamic programming is one of the most challenging topics in coding interviews. This comprehensive guide breaks down DP concepts, patterns, and problem-solving strategies with clear examples to help beginners master this essential technique.

Dynamic ProgrammingLeetCodeAlgorithmsInterview PrepMemoizationOptimization

Michael Zhang

22 min

10/16/2025

Behavioral Interviews Decoded: Why Your Code Works But You Still Failed

You crushed the LeetCode Hard, but the rejection email still came. Why? You likely failed the 'Soft Skills' check. Master the STAR method and learn how to tell stories that get you hired.

Behavioral InterviewSoft SkillsSTAR MethodCareer Advice

David Ng

9 min

10/16/2025

How to Approach Sliding Window Problems on LeetCode: A Step-by-Step Guide for Beginners

Sliding window problems are among the most common patterns in coding interviews. Learn how to identify, approach, and solve sliding window problems with clear examples, common mistakes, and practical strategies.

Sliding WindowLeetCodeAlgorithmsInterview PrepData StructuresTwo Pointers

Sarah Chen

18 min

10/15/2025

The 'Blank Screen' Nightmare: How to Debug Your Brain When You Get Stuck

Panic is the mind-killer. Learn the psychological and tactical strategies to overcome anxiety, unblock your thoughts, and salvage a coding interview when you hit a dead end.

Interview AnxietyPsychologySoft SkillsCareer Advice

David Ng

8 min

10/12/2025

Python vs. Java vs. C++: The Best Language for Coding Interviews in 2025

Stop wasting time debating syntax. Discover which programming language gives you the unfair advantage in technical interviews, and why 'speed to code' matters more than 'execution speed'.

PythonJavaC++Interview PrepCoding Languages

David Ng

7 min

10/10/2025

Why People Say “F*** LeetCode”: Difficulty, Fairness, Real-World Value — and a Better Way

Searches like “fuck leetcode” aren’t just rage-clicks; they’re a symptom of misaligned prep loops and fuzzy evaluation. This deep dive unpacks the emotion, asks whether algorithm rounds are too hard or fair, examines what DS&A actually buys you at work, and offers a practical, humane system for learning—plus how an in-page AI copilot can help without spoiling the grind.

Fuck LeetCodeLeetCodeAlgorithmsData StructuresAI AssistantInterview PrepLearning Strategies

Alex Wang

13 min

10/9/2025

Learning Data Structures & Algorithms with AI: A Field Guide for Real Progress

Most DSA study plans over-index on problem counts and under-index on feedback, memory, and edge-case instincts. This guide shows how to use AI as scaffolding—not a shortcut—to learn faster and retain more, with a practical plan you can run inside your LeetCode workflow.

Data StructuresAlgorithmsAI AssistantLearning StrategiesLeetcodeInterview Prep

Alex Wang

14 min

10/7/2025

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