Blog & Resources

LeetCode Prep Insights

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

43 articles

The Art of 'Thinking Aloud': The Underrated Skill That Passes Interviews

You can write perfect code and still fail the interview. Learn the 'Think Aloud Protocol' to communicate your thought process, handle dead ends, and turn interviewers into allies.

Soft SkillsInterviewingCommunicationCareer Advice

Zikun Wang

9 min

11/18/2025

AI Debugging for LeetCode: Step-by-Step Ways Beginners Can Fix Runtime Errors Fast

Stop blind guessing. Learn a repeatable debugging flow for LeetCode, how to log, trace, and generate edge cases, plus where AI can safely speed you up without giving spoilers.

DebuggingLeetCodeInterview PrepBeginners

LeetCopilot Team

12 min

11/15/2025

Inside the Interviewer's Mind: Why We Still Ask Blind 75 Questions

Think Blind 75 questions are outdated? Think again. Here's what interviewers are actually looking for when they ask 'Two Sum' or 'Reverse Linked List'—and it's not just the code.

Blind 75InterviewingSoft SkillsCareer AdviceHiring

David Ng

10 min

11/14/2025

The Sliding Window Template for LeetCode Strings: Visual Walkthroughs, Edge Cases, and AI Help

Stop rewriting the same two-pointer loop from scratch. Here’s a reusable sliding window template for LeetCode string problems, long-tail examples like ‘longest substring without repeating characters,’ and how LeetCopilot can stress-test your edge cases and notes in one flow.

LeetCode sliding windowLeetCode two pointersString algorithmsInterview prepAI study tools

Alex Wang

12 min

11/13/2025

How to Ace Online Assessments Without Burning Out (with AI on Your Side)

Timed coding assessments have different rules than interviews. Learn how to triage problems, manage the clock, and train with AI inside LeetCode so OA day feels familiar and calm.

Online AssessmentsLeetCodeAI toolsTime ManagementInterview Prep

LeetCopilot Team

10 min

11/12/2025

Stop Grinding Blind 75: A Pattern-First Approach to Mastering Algorithms

Don't just solve 75 problems—master the underlying patterns. This guide shifts your focus from rote memorization to deep pattern recognition, helping you solve unseen problems with confidence.

Blind 75Study TipsAlgorithmsPattern RecognitionInterview Prep

Sarah Jenkins

8 min

11/11/2025

What Mistakes Should I Avoid When Learning Algorithms for Interviews? 7 Pitfalls That Waste Months

Most people waste months on ineffective algorithm study habits. Learn the exact mistakes to avoid when preparing for coding interviews, from passive learning to pattern blindness, with actionable fixes for each.

Learning StrategyCommon MistakesLeetCodeInterview PrepStudy TipsAlgorithm Practice

David Ng

15 min

11/5/2025

AI Debugging for LeetCode: How Execution Traces Fix Runtime Errors Faster

Stuck with a failing LeetCode submission? Learn how AI-powered execution traces, input shrinking, and context-aware debugging can turn runtime errors into insights without spoiling the solution.

LeetCodeAI DebuggingExecution TracesRuntime ErrorsInterview Prep

LeetCopilot Team

9 min

11/5/2025

AI-Driven LeetCode Roadmaps: How to Practice the Right Problems in the Right Order

Stop grinding random problems. Learn how AI-powered roadmaps can sequence your LeetCode practice for maximum impact, blending difficulty curves, topic coverage, and retention to get you interview-ready faster.

LeetCodeAI RoadmapPractice PlanInterview PrepSpaced Repetition

LeetCopilot Team

10 min

11/1/2025

Visualizing the Unseen: How to Finally Master Recursion and Dynamic Programming

Recursion isn't magic; it's a stack. Dynamic Programming isn't scary; it's just a table. Learn how to use AI visualization tools to build a mental model for the hardest algorithms.

AlgorithmsDynamic ProgrammingVisualizationLearning Style

Alex Wang

10 min

10/30/2025