Deck — Terminal-First CP Platform

Competitive programming, reimagined for the terminal. Solve problems from Codeforces, CSES, and AtCoder with a feature-rich TUI, Neovim integration, deep analytics, team collaboration, and Git sync.

Install in 10 seconds

npm install -g deck
deck init
deck

Features

• 🖥️ Rich TUI — Dashboard, Problems, Analytics, Team, Contest, Target, Config
• 📝 Neovim Integration — Split layout (35/65), LSP, test runner, quickfix
• 👥 Team Collaboration — Track member progress, share solutions
• 📦 Git Sync — Auto-commit on AC, metadata.json, profile README
• 📊 Deep Analytics — Weak tags, predictions, heatmap, topic proficiency
• 🏆 Contest Mode — Real-time timer, standings, problem grid
• 🌐 Browser Companion — Capture problem pages, autofill submit forms

Quick Start

deck                          # Start TUI
deck fetch 1971D             # Fetch Codeforces problem
deck open 1971D              # Open in Neovim

Neovim Plugin

Add to your plugin manager:

-- lazy.nvim
{ "deck/deck.nvim", dependencies = { "nvim-lua/plenary.nvim" }, config = true }

Commands:

• :DeckOpen <id> — Open problem in split layout
• :DeckRun — Run tests against samples
• :DeckSubmit — Submit solution
• :DeckStats — Show analytics floating window

Configuration

Config paths:

• macOS: ~/Library/Application Support/deck/config.toml
• Linux: ~/.config/deck/config.toml
• Windows: %APPDATA%\deck\config.toml

License

MIT