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LeetCode Prep Insights

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

215 articles

How to Trace Recursive Code Step by Step Manually

Recursion feels like magic until you trace it. Learn a foolproof manual method to dry-run recursive functions using a stack table and recursion tree.

RecursionDebuggingBeginner GuideAlgorithmsManual Tracing

Alex Wang

8 min

11/28/2025

Sliding Window vs Two Pointers: When to Use Which

Confused between Sliding Window and Two Pointers? Learn the exact decision framework to pick the right pattern for array and string problems instantly.

Sliding WindowTwo PointersPattern RecognitionInterview StrategyAlgorithms

Alex Wang

10 min

11/28/2025

How to Explain Your Code While Writing It in an Interview

Silence is a red flag. Learn the 'Talk-Write-Talk' rhythm to keep your interviewer engaged without losing your train of thought.

Interview TipsSoft SkillsCommunicationMock InterviewCareer Advice

Alex Wang

6 min

11/28/2025

Stuck for Hours? The 'Productive Struggle' Rule for LeetCode

Staring at the screen for 2 hours isn't grit—it's wasted time. Here is the exact skill-based time limit for when to peek at the solution.

Time ManagementStudy StrategyDecision FrameworkLeetCodeBeginner GuideProductive Struggle

LeetCopilot Team

12 min

11/27/2025

LeetCode Burnout While Working Full Time: The Sustainable Survival Guide

You're exhausted from work, dreading the evening grind, and watching your will to code slowly die. Working full-time + interview prep is brutal. Here's how to not destroy yourself in the process.

LeetCodeBurnoutWorking ProfessionalsTime ManagementSustainable PracticeInterview PrepMental Health

Alex Chen

14 min

11/27/2025

How to Deal with LeetCode Anxiety and Interview Stress: A Mental Health Guide

Your heart races when you open LeetCode. Interview prep triggers panic. You're not alone—this is coding anxiety, and it's fixable. Here's a complete guide to managing stress while building technical skills.

Mental HealthAnxiety ManagementInterview StressBeginner GuideLeetCodeWell-being

LeetCopilot Team

14 min

11/27/2025

What to Do After Finishing Grind 75 Problems: Your Next-Level Interview Prep Plan

You finished Grind 75. You feel accomplished—but also uncertain. What now? Random Hard problems? More lists? Company-specific prep? Here's your systematic next-steps plan for post-Grind 75 mastery.

Grind 75Interview PrepAdvanced PracticeStudy PlanningLeetCodePost-Completion

LeetCopilot Team

14 min

11/26/2025

Should I Do Grind 75 or Blind 75 in 2024? A Complete Comparison Guide

Grind 75 or Blind 75? Everyone gives different advice. Here's an honest, criteria-based comparison to help you choose the right list for your timeline, experience level, and interview goals—without the guesswork.

Grind 75Blind 75Interview PrepStudy PlanningLeetCodeComparison Guide

LeetCopilot Team

13 min

11/26/2025

How Long Does It Take to Complete Grind 75 for Beginners? Realistic Timeline Expectations

You're ready to start Grind 75, but you need to know: will this take 2 weeks or 6 months? Here's an honest, skill-based breakdown of completion timelines—so you can plan realistically and avoid burnout.

Grind 75Interview PrepStudy PlanningTime ManagementLeetCodeBeginner Guide

LeetCopilot Team

14 min

11/26/2025

Mind Goes Blank on LeetCode? Here's Your Escape Plan

You understand the problem but have zero idea how to start. That paralysis is fixable. Here's a step-by-step process to get unstuck.

Problem SolvingMental BlockInterview StrategyBeginner GuideCoding TechniquesLeetCode

LeetCopilot Team

14 min

11/26/2025