Code Trainer is an educational tool for improving your coding skills. Solve problems, complete quizzes, and learn about common computer science topics.
Code
Practice your problem-solving skills to prepare for interviews or for fun! Write real code in Python, JavaScript, Java, or C#. All code runs locally on your computer so there is no need for an internet connection.
Quiz
Been a while since you've brushed up on the basics? Engage in different quizzes to make sure you have well-rounded knowledge of various computer science topics.
Learn
Review concise courses about Data Structures, Algorithms, Software Development, and more with interactive features to solidify your conceptual understanding.
- Fix java compilation when username contains a space
- Added "Sandbox Mode", allowing you to write code without worrying about passing any tests. Supports all four languages and allows for passing in values via stdin.
- Minor UI changes
- Added basic cheat sheets for C#, Java, JavaScript, Python
- Added the following 18 coding problems, bringing the total to 100.
[list] - (Expert) Add Spaces
- (Medium) Claw Machine
- (Hard) Commute Variations
- (Hard) Count Islands
- (Hard) Currency Conversion
- (Easy) Dutch Sort
- (Hard) Flood Fill
- (Easy) In-Order List
- (Easy) Is Tree Symmetric
- (Medium) Lowest Commmon Ancestor
- (Medium) Product Except Self
- (Hard) Reachable Cities
- (Medium) Rectangle Overlap
- (Easy) Reverse Linked List
- (Medium) School Gossip
- (Medium) Simple Blur
- (Hard) Text Align Center
- (Expert) Water Plants
- Trimmed unnecessary files in .NET and Java SDKs
- Steam file size reduced by ~220 MB
- Total disk usage reduced by ~900 MB
- More reliable fallback when language install fails
- Improved UI for pop-up windows
- Reworked language installation to be more reliable. During first launch the user will see an Installation page, showing the languages being installed, before being allowed to proceed to the Home page.
- Added options in the Settings menu for resetting Code, Quiz, and Learn progress. Warning: The "Reset All Code" button does exactly what it says so only use it if you're okay losing all of your code.
- Fixed Visual Highlighting bug when in Vim mode
- Search bar now includes searching by Learn topics
- Updated many coding problem descriptions to be more consistent
- Various UI changes and bug fixes
- Added Vim Motions as an experimental feature
- Minor optimizations and bug fixes
Minimum Setup
- OS: Ubuntu 16.04 64-bit
- Processor: 2.4 GHz Dual CoreMemory: 512 MB RAM
- Memory: 512 MB RAM
- Graphics: 512 MB VRAM. 1080p
- Storage: 256 MB available space
Recommended Setup
- OS: Ubuntu 22.04 64-bit
- Processor: 3.0 GHz Quad CoreMemory: 2 GB RAM
- Memory: 2 GB RAM
- Graphics: 2 GB VRAM. 1440p
- Storage: 1 GB available space
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