DEV Community

# interviewprep

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

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
How to Debug LeetCode Solutions Effectively: Common Mistakes and Systematic Approaches

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

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

Level Order BFS: How to Keep Depth Boundaries from Blurring

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

Overlapping Subproblems: Spot Them Before You Write DP

Comments
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)

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

Leidos LeetCode: The 'Operational Realism' Interview Guide

Comments
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

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

System Design for Beginners: A Practical Practice Path

1
Comments
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

1
Comments
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)

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

Sliding Window Template for Strings: A Visual Walkthrough

1
Comments
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)

Comments
4 min read
Prefix Sum Patterns for LeetCode Beginners

Prefix Sum Patterns for LeetCode Beginners

1
Comments
4 min read
How to Create Algorithm Templates for LeetCode Without Memorizing Solutions

How to Create Algorithm Templates for LeetCode Without Memorizing Solutions

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

Stop Memorizing BFS: Trace the Queue Like a Human Compiler

Comments
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

1
Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.