DSA

An Amazon Bar Raiser's Guide to Cracking Tech Interviews

This is a guest post by Apurv Singh, a Senior Engineer and Bar Raiser at Amazon. Having conducted 200+ technical interviews, Apurv shares practical…

Jun 4 • Ashish Pratap Singh and Apurv Singh

Launching comprehensive resources to master coding interviews

I’m excited to launch a comprehensive set of resources on algomaster.io to help you master DSA and prepare for coding interviews:

Apr 5 • Ashish Pratap Singh

7 Graph Algorithms You Should Know for Coding Interviews in 2026

This is a guest post by Shayan, an International Grandmaster on Codeforces and a PhD Candidate at the University of Maryland.

Feb 4 • Ashish Pratap Singh and Shayan Chashm Jahan

DSA was HARD until I Learned these 20 Patterns

Templates included

Jan 20 • Ashish Pratap Singh

Linked List: Explained in 4 minutes

Linked List is one of the most fundamental data structures in computer science and a must-know topic for coding interviews.

Nov 16, 2025 • Ashish Pratap Singh

Big-O Notation: Explained in 8 Minutes

Big O Notation is a way to measure how efficiently your code performs as the input size grows.

Nov 4, 2025 • Ashish Pratap Singh

12 Must-Know Data Structures for Coding Interviews

Cracking a coding interview isn’t just about writing code—it’s about solving problems efficiently. And to do that, you need to think in terms of data…

Mar 18, 2025 • Ashish Pratap Singh

Coding Interviews were HARD Until I Learned These 20 Tips

I gave my first coding interview in 2016—and failed.

Feb 13, 2025 • Ashish Pratap Singh

6 Coding Interview Secrets from a 2-Time ICPC Finalist

Guest post from Alberto Gonzalez

Jan 14, 2025 • Ashish Pratap Singh and Alberto Gonzalez

How to Start LeetCode in 2025

and get good at it

Jan 5, 2025 • Ashish Pratap Singh

I solved 1583 LeetCode problems so you don't have to

Launching algomaster.io

Dec 22, 2024 • Ashish Pratap Singh

How I Got Good at Coding Interviews

Solving 500+ LeetCode problems doesn’t mean that you can pass any coding interview.

Oct 20, 2024 • Ashish Pratap Singh

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