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Guides on algorithm visualization, LeetCode alternatives, and coding interview prep. Understand algorithms step by step.
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February 11, 2026
Introducing Expora: Understand Algorithms, Not Just Solve Them
Today we are introducing Expora, an integrated platform for learning and practicing algorithms and data structures. Mental maps, visual roadmaps, and step-by-step animations so you can see the intuition behind every pattern.
Read more →Algorithm visualizer
March 1, 2026
How to Visualize Algorithms Step by Step (BFS, DFS, DP)
Seeing execution step by step—state, pointers, queues—makes algorithms click. Here’s how to use an interactive visualizer for BFS, DFS, Dijkstra, and more.
Read more →LeetCode alternative
March 1, 2026
Best LeetCode Alternative to Understand Algorithms (2026)
LeetCode checks output; it doesn’t show you the decision-making. Here’s what to look for in a LeetCode alternative that builds real algorithm understanding.
Read more →Coding interview prep
March 1, 2026
Coding Interview Prep: From Memorizing to Understanding
Interview prep that focuses on understanding patterns—not just solving more problems. Roadmaps, mental maps, and visual execution that transfer to the interview.
Read more →Coding interview prep
April 2, 2026
The 7 Algorithm Patterns That Cover 80% of Coding Interview Problems
The most common mistake in interview prep is grinding problems without recognizing patterns. These 7 patterns cover the structural foundation behind the vast majority of coding interview problems.
Read more →Coding interview prep
April 6, 2026
Graph Algorithms for Coding Interviews: When to Use BFS, DFS, or Dijkstra
Candidates know how BFS and DFS work but freeze when a new graph problem appears because they don't know which algorithm to reach for. Here's the decision framework that fixes that.
Read more →LeetCode alternative
April 9, 2026
Why LeetCode is So Hard — and Why Grinding More Problems Won't Help
You've solved 150 problems and still freeze in the interview. It's not you — it's what you've been practicing. Here's why grinding LeetCode doesn't build the understanding interviewers are testing.
Read more →Coding interview prep
April 8, 2026
Dynamic Programming Explained Visually: Memoization, Tabulation, and the Patterns That Stick
Most DP explanations show you the finished code without showing how anyone arrived at it. This guide works differently — it shows you the dp array filling up, the thinking behind each recurrence, and the patterns that make DP systematic.
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