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# interviewprep

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

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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
BFS or DFS? How to Choose in 30 Seconds During Interviews

BFS or DFS? How to Choose in 30 Seconds During Interviews

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4 min read
How to Get Better at LeetCode: 10 Tips That Actually Work (2026)

How to Get Better at LeetCode: 10 Tips That Actually Work (2026)

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4 min read
Sliding Window Template for Strings: A Visual Walkthrough

Sliding Window Template for Strings: A Visual Walkthrough

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4 min read
Is GeeksforGeeks Worth It? What They Don't Tell You (2026)

Is GeeksforGeeks Worth It? What They Don't Tell You (2026)

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4 min read
Prefix Sum Patterns for LeetCode Beginners

Prefix Sum Patterns for LeetCode Beginners

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4 min read
How to Create Algorithm Templates for LeetCode Without Memorizing Solutions

How to Create Algorithm Templates for LeetCode Without Memorizing Solutions

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7 min read
Stop Memorizing BFS: Trace the Queue Like a Human Compiler

Stop Memorizing BFS: Trace the Queue Like a Human Compiler

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4 min read
Stop Getting TLEs: The 10-Second Complexity Check Every Dev Needs

Stop Getting TLEs: The 10-Second Complexity Check Every Dev Needs

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4 min read
LeetCode vs AlgoMonster: Which Is Better for Interview Prep in 2025?

LeetCode vs AlgoMonster: Which Is Better for Interview Prep in 2025?

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6 min read
Heapify Down: How to Trace Each Swap Without Getting Lost

Heapify Down: How to Trace Each Swap Without Getting Lost

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4 min read
Brute Force to Two Pointers: Stop Getting Lost in the Transition

Brute Force to Two Pointers: Stop Getting Lost in the Transition

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4 min read
Educative vs AlgoMonster: I Compared Both for 30 Days (2026)

Educative vs AlgoMonster: I Compared Both for 30 Days (2026)

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4 min read
AlgoExpert vs AlgoMonster: Don't Buy the Wrong One (2026)

AlgoExpert vs AlgoMonster: Don't Buy the Wrong One (2026)

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5 min read
Is 'Fuck LeetCode' Justified? A Senior Engineer's Honest Take

Is 'Fuck LeetCode' Justified? A Senior Engineer's Honest Take

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7 min read
Is LeetCode Enough for Coding Interviews in 2025? Here's the Honest Answer

Is LeetCode Enough for Coding Interviews in 2025? Here's the Honest Answer

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8 min read
How to Prepare for a Coding Interview in 2 Weeks (Realistic Plan)

How to Prepare for a Coding Interview in 2 Weeks (Realistic Plan)

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4 min read
The 'Hidden' Behavioral Questions That Fail 40% of Candidates (And How to Answer Them)

The 'Hidden' Behavioral Questions That Fail 40% of Candidates (And How to Answer Them)

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5 min read
Best Free Alternatives to LeetCode Premium (2025): What Actually Works

Best Free Alternatives to LeetCode Premium (2025): What Actually Works

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5 min read
Backtracking Strings: Draw the Tree, Fix the Bugs

Backtracking Strings: Draw the Tree, Fix the Bugs

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3 min read
Is Educative.io Worth It in 2025? A Comprehensive Review

Is Educative.io Worth It in 2025? A Comprehensive Review

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8 min read
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