LC #49: Group Anagrams
Arrays/Hashing
May 21, 20254 min read3
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LC #242: Valid Anagrams
Array/Hashing
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LC #217: Contains Duplicate
Arrays/Hashing
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Revision: Binary Search
This is a quick revision sheet for Binary Search DSA pattern.👉 Here is the link to the OG full-length post Binary Search Pattern – The Interviewer's Favorite Use this page for last-minute interview prep, fast memory refresh, or revisiting key templa...
May 18, 20252 min read5
DSA Patterns: Binary Search
🔍 Binary Search Pattern – The Interviewer's Favorite 🧠 TL;DR - What to Focus On This guide is long — but structured. Use the Table of Contents (TOC) as your best friend to glance, skim, or jump around. Here's where to go based on your goal: ✅ Just...
May 18, 202520 min read25
DSA Patterns: Linked Lists
📌 TL;DR This blog is a deep dive into the most important patterns and templates used in Linked List problems — the kind that show up over and over again in coding interviews. You’ll walk away with: 📦 7 essential Linked List patterns, each tied to ...
May 17, 202511 min read15
DSA Patterns: Stack
The Stack pattern is a go-to tool when you're dealing with nested structures, reverse-order processing, or problems that need memory of what came before. It’s not just a data structure — it’s a mindset. And the more problems you solve with it, the mo...
May 17, 20256 min read6
DSA Patterns: Hashing
If there’s one pattern that’s pure gold in interviews, it’s Hashing. Actually, it is more of a utility approach that helps build the foundations of a lot of optimized solutions. Hashing, from a Java perspective, means the use of HashMap and HashSet. ...
May 17, 20255 min read3
System Design Basics: Capacity Estimation
Once you've nailed down the functional and non-functional requirements in a system design interview, the next critical step is Capacity Estimation. This step helps you reason about the scale of your system and make informed decisions about database d...
May 17, 20253 min read4