Codeforces Toolkit

A Chrome extension and Flask backend designed to streamline Codeforces contests and practice sessions.

Features

Contest Environment Creation

• One-click contest setup
• Automatically creates contest folders
• Generates problem files (A.cpp, B.cpp, C.cpp, D.cpp, E.cpp, F.cpp, F1.cpp, F2.cpp, etc.)
• Creates backup files (temp1.cpp, temp2.cpp, temp3.cpp)
• Opens the contest folder in a new VS Code window

Problem Management

• Open problems A-D
• Open problems A-F
• Open all contest problems in separate tabs
• Keyboard shortcut support

Integrated Testing

Directly from the Codeforces problem page:

• Compile current solution
• Run all sample tests
• Compare outputs automatically
• Display pass/fail results
• Highlight incorrect outputs
• Show compile errors without leaving the browser

Contest Progress Tracker

Displays a live contest progress table:

• Accepted submissions
• Wrong submissions
• Submissions currently in queue
• Automatic refresh

Quality of Life

• Server status indicator
• Dark mode popup UI
• VS Code integration
• Automatic contest tracking

Tech Stack

Frontend:

• Chrome Extension (Manifest V3)
• JavaScript
• HTML/CSS

Backend:

• Python
• Flask

Tools:

• Git
• VS Code
• g++

Future Ideas

• Editorial integration
• Stress testing support
• Contest analytics
• Submission workflow improvements

Author

Henil Shah