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# interviewprep

Sharing interview experiences, questions, and preparation strategies for security roles.

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Behavioral Interview Preparation: The Complete Guide (2026)

Behavioral Interview Preparation: The Complete Guide (2026)

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11 min read
LeetCode vs Educative: Which Is Better for Interview Prep in 2026?

LeetCode vs Educative: Which Is Better for Interview Prep in 2026?

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5 min read
Is AlgoExpert Worth It in 2026? An Honest Senior Engineer's Review

Is AlgoExpert Worth It in 2026? An Honest Senior Engineer's Review

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10 min read
Best Mock Interview Platforms in 2026: Free and Paid Options Compared

Best Mock Interview Platforms in 2026: Free and Paid Options Compared

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10 min read
BFS vs DFS for Binary Trees: A Decision Guide

BFS vs DFS for Binary Trees: A Decision Guide

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4 min read
Make Backtracking 10x Faster: The Art of 'Aggressive Pruning'

Make Backtracking 10x Faster: The Art of 'Aggressive Pruning'

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4 min read
Dynamic Programming: 7 Patterns That Solve 90% of DP Problems

Dynamic Programming: 7 Patterns That Solve 90% of DP Problems

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5 min read
LeetCode vs NeetCode: Which Platform Should You Use in 2026?

LeetCode vs NeetCode: Which Platform Should You Use in 2026?

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7 min read
How to Instantly Recognize Which LeetCode Pattern to Use (5-Step Framework)

How to Instantly Recognize Which LeetCode Pattern to Use (5-Step Framework)

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8 min read
How to Know Which Algorithm to Use on LeetCode (Pattern Decision Tree + Cheat Sheet)

How to Know Which Algorithm to Use on LeetCode (Pattern Decision Tree + Cheat Sheet)

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10 min read
Stop Guessing: The 'Expand-Contract' Framework for Sliding Window

Stop Guessing: The 'Expand-Contract' Framework for Sliding Window

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4 min read
Interview Coder: Controversy, Detection Risks, and Ethical Alternatives

Interview Coder: Controversy, Detection Risks, and Ethical Alternatives

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7 min read
Best NeetCode Pro Alternatives in 2026: Free & Paid Options Compared

Best NeetCode Pro Alternatives in 2026: Free & Paid Options Compared

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13 min read
Why Do I Keep Forgetting LeetCode Solutions After Solving Them? (And How to Fix It)

Why Do I Keep Forgetting LeetCode Solutions After Solving Them? (And How to Fix It)

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9 min read
Union-Find Path Compression: A Visual Dry Run

Union-Find Path Compression: A Visual Dry Run

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4 min read
Mastering Sliding Window: The 'Expand-Contract' Guide for Beginners

Mastering Sliding Window: The 'Expand-Contract' Guide for Beginners

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10 min read
Google Coding Interview: The Complete 2026 Guide (From an Ex-Googler)

Google Coding Interview: The Complete 2026 Guide (From an Ex-Googler)

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4 min read
Why You Keep Getting 'Index Out of Bounds' (And How to Stop It Forever)

Why You Keep Getting 'Index Out of Bounds' (And How to Stop It Forever)

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

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

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11 min read
Level Order BFS: How to Keep Depth Boundaries from Blurring

Level Order BFS: How to Keep Depth Boundaries from Blurring

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4 min read
Overlapping Subproblems: Spot Them Before You Write DP

Overlapping Subproblems: Spot Them Before You Write DP

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5 min read
How Long Does It Take to Prepare for Coding Interviews? (Realistic Timelines)

How Long Does It Take to Prepare for Coding Interviews? (Realistic Timelines)

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10 min read
Leidos LeetCode: The 'Operational Realism' Interview Guide

Leidos LeetCode: The 'Operational Realism' Interview Guide

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7 min read
Sliding Window Intuition for Absolute Beginners: A Step-by-Step Guide

Sliding Window Intuition for Absolute Beginners: A Step-by-Step Guide

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3 min read
System Design for Beginners: A Practical Practice Path

System Design for Beginners: A Practical Practice Path

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5 min read
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