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Alex Hunter

Builder of LeetCopilot, an AI-powered assistant for LeetCode learning & coding Interview prep

Joined Joined on  Personal website https://leetcopilot.dev
How to Know Which Algorithm to Use on LeetCode (Pattern Decision Tree + Cheat Sheet)
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How to Know Which Algorithm to Use on LeetCode (Pattern Decision Tree + Cheat Sheet)

#leetcode #algorithms #interviewprep #problemsolving
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10 min read

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Memoization to Bottom-Up DP: The Conversion That Impresses Interviewers
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Memoization to Bottom-Up DP: The Conversion That Impresses Interviewers

#dynamicprogramming #memoization #tabulation #grids
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4 min read
Stop Guessing: The 'Expand-Contract' Framework for Sliding Window
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Stop Guessing: The 'Expand-Contract' Framework for Sliding Window

#twopointers #slidingwindow #interviewprep #algorithms
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4 min read
Interview Coder: Controversy, Detection Risks, and Ethical Alternatives
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Interview Coder: Controversy, Detection Risks, and Ethical Alternatives

#interviewprep #ethics #aitools #careeradvice
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7 min read
Why Do I Keep Forgetting LeetCode Solutions After Solving Them? (And How to Fix It)
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Why Do I Keep Forgetting LeetCode Solutions After Solving Them? (And How to Fix It)

#learningstrategy #memory #leetcode #interviewprep
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9 min read
Union-Find Path Compression: A Visual Dry Run
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Union-Find Path Compression: A Visual Dry Run

#graphs #disjointsetunion #interviewprep #datastructures
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4 min read
Mastering Sliding Window: The 'Expand-Contract' Guide for Beginners
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Mastering Sliding Window: The 'Expand-Contract' Guide for Beginners

#slidingwindow #leetcode #algorithms #interviewprep
1
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10 min read
Why You Keep Getting 'Index Out of Bounds' (And How to Stop It Forever)
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Why You Keep Getting 'Index Out of Bounds' (And How to Stop It Forever)

#debugging #arrays #interviewprep #commonmistakes
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7 min read
Google Coding Interview: The Complete 2026 Guide (From an Ex-Googler)
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Google Coding Interview: The Complete 2026 Guide (From an Ex-Googler)

#google #interviewprep #codinginterview #faang
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4 min read
How to Debug LeetCode Solutions Effectively: Common Mistakes and Systematic Approaches
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How to Debug LeetCode Solutions Effectively: Common Mistakes and Systematic Approaches

#debugging #leetcode #interviewprep #problemsolving
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11 min read
7 AlgoMonster Alternatives: Don't Overpay for Coding Prep (2026)
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7 AlgoMonster Alternatives: Don't Overpay for Coding Prep (2026)

#algomonster #alternatives #neetcode #leetcode
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6 min read
Learn DSA with AI: A Field Guide for Real Progress
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Learn DSA with AI: A Field Guide for Real Progress

#datastructures #algorithms #aiassistant #learningstrategies
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7 min read
Level Order BFS: How to Keep Depth Boundaries from Blurring
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Level Order BFS: How to Keep Depth Boundaries from Blurring

#bfs #binarytrees #traversal #interviewprep
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4 min read
When LeetCode Burnout Hits: A Brutally Honest Guide to Getting Unstuck
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When LeetCode Burnout Hits: A Brutally Honest Guide to Getting Unstuck

#leetcode #burnout #rant #mentalhealth
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7 min read
LRU Cache (LeetCode 146): The Complete Guide to Solving It
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LRU Cache (LeetCode 146): The Complete Guide to Solving It

#leetcode #lrucache #datastructures #hashmap
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6 min read
Best Programming Language for Coding Interviews in 2026 (Python vs Java vs C++)
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Best Programming Language for Coding Interviews in 2026 (Python vs Java vs C++)

#programminglanguages #python #java #c
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8 min read
Overlapping Subproblems: Spot Them Before You Write DP
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Overlapping Subproblems: Spot Them Before You Write DP

#dynamicprogramming #leetcode #interviewprep #algorithms
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5 min read
15 Best AI Tools for Coding Interviews in 2026 (Free & Paid)
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15 Best AI Tools for Coding Interviews in 2026 (Free & Paid)

#aitools #codinginterviews #mockinterviews #systemdesign
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6 min read
How Long Does It Take to Prepare for Coding Interviews? (Realistic Timelines)
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How Long Does It Take to Prepare for Coding Interviews? (Realistic Timelines)

#interviewprep #leetcode #studyplan #timeline
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10 min read
Questions to Ask Before Coding in an Interview: The Senior Engineer's Checklist
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Questions to Ask Before Coding in an Interview: The Senior Engineer's Checklist

#interviewstrategy #communication #softskills #requirementsgathering
1
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4 min read
Leidos LeetCode: The 'Operational Realism' Interview Guide
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Leidos LeetCode: The 'Operational Realism' Interview Guide

#leidosleetcode #leetcode #interviewprep #defensecontractors
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7 min read
Inside the Interviewer's Mind: Why We Still Ask Blind 75 Questions
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Inside the Interviewer's Mind: Why We Still Ask Blind 75 Questions

#blind75 #interviewing #softskills #careeradvice
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4 min read
Sliding Window Intuition for Absolute Beginners: A Step-by-Step Guide
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Sliding Window Intuition for Absolute Beginners: A Step-by-Step Guide

#leetcode #slidingwindow #beginners #interviewprep
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3 min read
System Design for Beginners: A Practical Practice Path
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System Design for Beginners: A Practical Practice Path

#systemdesign #interviewprep #beginners #learningpath
1
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5 min read
Is GeeksforGeeks Worth It? What They Don't Tell You (2026)
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Is GeeksforGeeks Worth It? What They Don't Tell You (2026)

#geeksforgeeks #review #interviewprep #dsa
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4 min read
10 Best HackerRank Alternatives in 2026 (Free & Paid)
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10 Best HackerRank Alternatives in 2026 (Free & Paid)

#hackerrank #alternatives #leetcode #codewars
1
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4 min read
Still Guessing When Filling DP Tables? Use This Checklist
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Still Guessing When Filling DP Tables? Use This Checklist

#dynamicprogramming #tabulation #interviewprep #algorithmpatterns
2
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4 min read
BFS or DFS? How to Choose in 30 Seconds During Interviews
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BFS or DFS? How to Choose in 30 Seconds During Interviews

#graphs #bfs #dfs #interviewprep
1
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4 min read
Sorting 0s, 1s, 2s: Stop Memorizing the Dutch National Flag Algorithm
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Sorting 0s, 1s, 2s: Stop Memorizing the Dutch National Flag Algorithm

#twopointers #arrays #invariants #interviewprep
2
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4 min read
When to Look at LeetCode Solutions Without Hurting Your Learning
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When to Look at LeetCode Solutions Without Hurting Your Learning

#learningstrategy #problemsolving #interviewprep #studytechniques
1
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8 min read
Stop Getting TLEs: The 10-Second Complexity Check Every Dev Needs
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Stop Getting TLEs: The 10-Second Complexity Check Every Dev Needs

#timecomplexity #leetcode #interviewprep #algorithms
1
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4 min read
Sliding Window Template for Strings: A Visual Walkthrough
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Sliding Window Template for Strings: A Visual Walkthrough

#leetcodeslidingwindow #leetcodetwopointers #stringalgorithms #interviewprep
1
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4 min read
Stuck on LeetCode Easy? Diagnose Exactly Why
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Stuck on LeetCode Easy? Diagnose Exactly Why

#beginnerguide #learningstrategy #problemsolving #fundamentals
1
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9 min read
Why Reading LeetCode Solutions Doesn't Help Me Solve New Problems (And What Actually Does)
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Why Reading LeetCode Solutions Doesn't Help Me Solve New Problems (And What Actually Does)

#learningstrategy #problemsolving #leetcode #studymethods
1
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9 min read
How to Get Better at LeetCode: 10 Tips That Actually Work (2026)
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How to Get Better at LeetCode: 10 Tips That Actually Work (2026)

#leetcode #howto #interviewprep #tips
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4 min read
How Much Do FAANG Engineers Make? Complete 2026 Salary Guide
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How Much Do FAANG Engineers Make? Complete 2026 Salary Guide

#faang #salary #compensation #google
1
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4 min read
Prefix Sum Patterns for LeetCode Beginners
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Prefix Sum Patterns for LeetCode Beginners

#prefixsum #arraypatterns #interviewprep #algorithmintuition
1
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4 min read
Educative vs AlgoMonster: I Compared Both for 30 Days (2026)
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Educative vs AlgoMonster: I Compared Both for 30 Days (2026)

#educative #algomonster #comparison #interviewprep
1
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4 min read
Off-By-One Errors Are Ruining Your Interviews: The 'Closed-Open' Fix
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Off-By-One Errors Are Ruining Your Interviews: The 'Closed-Open' Fix

#debugging #arrays #interviewprep #offbyone
4
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4 min read
AlgoExpert vs AlgoMonster: Don't Buy the Wrong One (2026)
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AlgoExpert vs AlgoMonster: Don't Buy the Wrong One (2026)

#algoexpert #algomonster #comparison #interviewprep
1
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5 min read
Is Codewars Worth It in 2025? An Honest Review
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Is Codewars Worth It in 2025? An Honest Review

#codewars #review #codingpractice #worthit
1
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4 min read
AI-Driven LeetCode Roadmaps: Practice the Right Problems
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AI-Driven LeetCode Roadmaps: Practice the Right Problems

#leetcode #airoadmap #practiceplan #interviewprep
2
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4 min read
How to Create Algorithm Templates for LeetCode Without Memorizing Solutions
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How to Create Algorithm Templates for LeetCode Without Memorizing Solutions

#leetcode #patterns #algorithms #interviewprep
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7 min read
Stop Memorizing BFS: Trace the Queue Like a Human Compiler
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Stop Memorizing BFS: Trace the Queue Like a Human Compiler

#bfs #graphs #interviewprep #queue
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4 min read
How to Trace Recursive Code Step by Step Manually
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How to Trace Recursive Code Step by Step Manually

#recursion #debugging #beginnerguide #algorithms
1
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4 min read
Can't Explain BFS Under Pressure? Use This Script
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Can't Explain BFS Under Pressure? Use This Script

#graphs #bfs #interviewcommunication #queues
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4 min read
Why Does My Code Work on Small Test Cases But Fail on Large Ones? (Time Complexity Explained)
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Why Does My Code Work on Small Test Cases But Fail on Large Ones? (Time Complexity Explained)

#timecomplexity #performance #optimization #leetcode
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9 min read
What to Do When You Understand the Solution But Can't Code It Yourself
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What to Do When You Understand the Solution But Can't Code It Yourself

#implementation #learningstrategy #codingskills #leetcode
5
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10 min read
How to Prepare for a Coding Interview in 2 Weeks (Realistic Plan)
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How to Prepare for a Coding Interview in 2 Weeks (Realistic Plan)

#interviewprep #howto #leetcode #2weeks
1
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4 min read
Is 'Fuck LeetCode' Justified? A Senior Engineer's Honest Take
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Is 'Fuck LeetCode' Justified? A Senior Engineer's Honest Take

#leetcode #rant #interviewprep #career
4
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7 min read
LeetCode vs AlgoMonster: Which Is Better for Interview Prep in 2025?
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LeetCode vs AlgoMonster: Which Is Better for Interview Prep in 2025?

#leetcode #algomonster #comparison #interviewprep
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6 min read
Heapify Down: How to Trace Each Swap Without Getting Lost
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Heapify Down: How to Trace Each Swap Without Getting Lost

#heap #priorityqueue #datastructures #interviewprep
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4 min read
Brute Force to Two Pointers: Stop Getting Lost in the Transition
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Brute Force to Two Pointers: Stop Getting Lost in the Transition

#twopointers #algorithmpatterns #interviewprep #arrayproblems
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4 min read
Should You Say 'Fuck LeetCode' and Quit—Or Learn to Beat the System?
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Should You Say 'Fuck LeetCode' and Quit—Or Learn to Beat the System?

#leetcode #rant #careeradvice #decisionmaking
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5 min read
Master Recursion and DP: A Visual Guide
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Master Recursion and DP: A Visual Guide

#algorithms #dynamicprogramming #visualization #learningstyle
1
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4 min read
Behavioral Interviews Decoded: Why Your Code Works But You Still Failed
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Behavioral Interviews Decoded: Why Your Code Works But You Still Failed

#behavioralinterview #softskills #starmethod #careeradvice
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3 min read
How to Use Invariants in LeetCode: A Practical Guide for Debugging and Proving Your Code
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How to Use Invariants in LeetCode: A Practical Guide for Debugging and Proving Your Code

#leetcode #loopinvariants #algorithms #debugging
1
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7 min read
How to Analyze LeetCode Constraints Before Coding: A Beginner Playbook
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How to Analyze LeetCode Constraints Before Coding: A Beginner Playbook

#leetcode #algorithms #interviewprep #complexityanalysis
2
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3 min read
Why Just Saying 'Fuck LeetCode' Won't Get You Hired (And What Will)
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Why Just Saying 'Fuck LeetCode' Won't Get You Hired (And What Will)

#leetcode #rant #careeradvice #interviewstrategy
1
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6 min read
Pramp vs Interviewing.io: Which Mock Interview Platform Is Worth It?
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Pramp vs Interviewing.io: Which Mock Interview Platform Is Worth It?

#pramp #interviewingio #comparison #mockinterviews
1
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6 min read
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