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LeetCode Prep Insights

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

215 articles

Leidos LeetCode: The 'Operational Realism' Interview Guide

Leidos isn't Google. Their interviews care more about 'Mission Fit' than DP. Here is the exact prep strategy for defense contractor coding interviews.

Leidos LeetCodeLeetCodeInterview PrepDefense ContractorsAI AssistantMock Interviews

David Ng

12 min

10/2/2025

Why We All Say 'Fuck LeetCode' (And How to Actually Fix the Grind)

If you've ever rage-typed 'fuck leetcode' at 2 AM, read this. We break down why the grind is broken and the exact 'High-Leverage' system that fixes it.

LeetCodeRantBurnoutInterview PrepLearning StrategiesAI AssistantMental Health

Alex Chen

14 min

10/2/2025

How to Practice LeetCode Without Memorizing Solutions: Building Real Problem-Solving Skills

Memorizing 200 solutions won't help you in interviews. The moment the problem changes slightly, your memory fails. Here's how to practice for understanding and pattern recognition instead of rote memorization.

Learning StrategyStudy MethodsLeetCodeProblem SolvingInterview PrepPattern Recognition

LeetCopilot Team

11 min

10/1/2025

Beyond 'Fuck LeetCode': From Burnout to Actually Getting Better

You've hit the wall. The rage is real. 'Fuck LeetCode' isn't just a search term—it's a mood. Here's how to channel that frustration into a system that actually works, without losing your mind or your will to code.

LeetCodeBurnoutRantLearning StrategiesInterview PrepAI AssistantMental Health

Alex Chen

14 min

10/1/2025

Test Case 23/47 Failed? The 'Hidden Input' Debugging Protocol

They won't show you the failing input, but you can still find the bug. Here is the 5-step systematic framework to debug blind test cases.

DebuggingLeetCodeProblem SolvingTestingBeginner GuideInterview Prep

LeetCopilot Team

14 min

9/29/2025

Blind 75: Why It Matters and How to Actually Master It

Blind 75 is the standard. Learn what it is, why it matters, and a practical system to master it without burnout.

Blind 75LeetCodeInterview PrepAI AssistantLearning Strategies

David Ng

12 min

9/29/2025

When LeetCode Burnout Hits: A Brutally Honest Guide to Getting Unstuck

You've hit the wall. The problems all look the same, nothing sticks, and you're starting to hate coding. LeetCode burnout is real—here's how to recognize it, survive it, and actually come back stronger.

LeetCodeBurnoutRantMental HealthInterview PrepLearning StrategiesRecovery

Alex Chen

14 min

9/28/2025

A Weekly LeetCode Study Plan (Supercharged with AI)

Stop grinding randomly. Follow a repeatable seven-day LeetCode plan powered by LeetCopilot’s Chat, Study, and Interview modes to build skills, retention, and interview readiness.

LeetCodeStudy PlanAI toolsInterview prepProductivity

LeetCopilot Team

11 min

9/28/2025

Hints for LeetCode Without Spoilers: A Playbook for Real Learning

Peeking at solutions kills learning. Here’s how to get hints for LeetCode without spoilers—using a simple three-level hint ladder, concrete prompt templates, and case studies that keep you in control of the problem.

LeetCodeHintsLearning StrategiesAI AssistantInterview Prep

David Ng

11 min

9/26/2025

LeetCode AI Assistant: Smarter Interview Prep

Grinding alone is outdated. Use a LeetCode AI assistant for smart hints, personalized notes, and mock interviews to transform your prep.

LeetCode AI AssistantLeetCodeInterview PrepAI ToolsMock Interviews

Alex Wang

15 min

9/26/2025