• Improved AI-Enabled Interview Questions

• Updated parts of the Algorithm Visualization content to improve clarity and understanding.
• Optimized the experience on smaller screens for better usability and responsiveness.

• Updated flowchart
• Update teaching assistant

• Added AI-enabled interview problems for realistic mock interview practice
• Improved the Practice page with content and layout updates for a better browsing experience

• Added chat history
• Improved article content
• Enhanced Algorithm Visualization

• Added more AI-enabled interview questions.
• Introduced Algorithm Visualization to the Foundation course.

• Content and visualization updates

AI-Enabled Coding Interview

Introducing the AI-Enabled Coding Interview module. Users can now practice coding problems with real-time AI assistance — ask for hints and guidance instead of jumping straight to the solution. Problems use a progressive unlocking system that guides you through building a complete solution step by step. The built-in code editor supports Python, Java, C++, and JavaScript with online test execution, a timer, and automatic progress saving. Two practice problems are available at launch, with more coming soon.

• Added Algorithm Visualizer support for Graph and Priority Queue.

• Added a state-space tree view to visualize backtracking and top-down DP problems.
• Fixed known issues.

• Randomized the order of options in Speedrun mode for a more varied experience
• Added support for more problems with algorithm visualization

• Fixed several known issues to improve stability.

• Bug fixes and content updates

Release: Algorithm Visualizer

We've added an interactive Algorithm Visualizer that lets you step through algorithms visually alongside the code.

What's new:

• Step-by-step playback controls for algorithm execution
• Side-by-side code panel with syntax highlighting and active line tracking
• Customizable inputs with presets for different test cases
• Call stack panel for recursive algorithms
• Fullscreen mode for focused learning

Try it out: The first problem with visualization support is Remove Duplicates from Sorted Array. More problems coming soon!

• Update Interval DP and Knapsack DP Intros

• Improved performance
• Fixed known issues

• Improved Java code execution performance.

• Improved C++ code execution performance.
• Fixed known issues.

• Fix known issues and improve user experience.
• Add more videos.

• Add Vim Mode and timer to code editor

• Rolling out a 3-minute breakdown for Practice and Editorials.

• Bug fixes

• Bug fixes and UI updates

• Use the '?' button at the bottom right corner to ask questions and share feedback.

• Add more practice problems to DFS on Tree section

• Updated ROI chart

• UX improvements

• Addiontal practice questions for Prefix Sum.
• Highlight any article content to use as context to chat with AI.
• Command + enter to enter a new line in chat with AI.

• Resolved the compilation issue in Golang.

• Minor UX updates

• Added ruby and rust support

• Added more company interview guides

• update stack and queue intro articles

• Fix go compiler timeout

• Company Interview Guides

• System Design: Uber

• Select text and ask Monster AI for an explanation.

• UI revamp

• Content revamp

• Add Go solutions to BDS and backtracking.

• Added Go solutions to binary search and BFS.