A modern, native iOS application for Codeforces - the popular competitive programming platform. Built with SwiftUI, featuring a clean architecture and real-time integration with the Codeforces API.
| Leaderboard | Problem View | User Profile |
|---|---|---|
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| Rating Chart | User Search | Contest Lists |
|---|---|---|
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- Live upcoming and ongoing contest listings
- Detailed contest standings with real-time updates
- Contest problem sets with integrated problem viewer
- Comprehensive user statistics and ratings
- Interactive rating graph with historical data
- Recent submissions and activity tracking
- Support for legendary grandmaster special styling
- Country flags and organization details
- Profile sharing capabilities
- Search problems by contest ID and index
- Integrated problem viewer with native iOS styling
- Problem difficulty indicators
- Support for problem statements, samples, and constraints
- Recent problems list
- Global user rankings
- Rating-based user categorization
- Cached data for improved performance
- Pull-to-refresh functionality
- Native iOS design patterns
- Dynamic color theming based on Codeforces rating system
- Smooth animations and transitions
- Support for both light and dark modes
- Responsive layout for all iOS devices
- Language: Swift 5.5+
- UI Framework: SwiftUI
- Minimum iOS Version: iOS 15.0
- Design Pattern: MVVM (Model-View-ViewModel)
- State Management: Combine framework
- Networking: URLSession with async/await
- Charts: Swift Charts (iOS 16+)
The app uses the following Codeforces API endpoints:
/user.info/user.rating/user.status/contest.list/contest.standings/problemset.problems
- Comprehensive model layer with Codable conformance
- Efficient caching mechanisms
- Type-safe enums for ratings and contests
- Custom JSON parsing for complex API responses
- Efficient data caching
- Lazy loading of images and content
- Debounced API calls for search
- Pagination support for large datasets
- Memory-efficient collection views
- Secure API communication
- URL encoding for user inputs
- Error handling and validation
- Rate limiting compliance
- Clone the repository
git clone https://github.com/qazi0/elitecoder.git- Open the project in Xcode
cd elitecoder
open EliteCoderiOSApp.xcodeproj
- Build and run the project
- Xcode 14.0+
- iOS 15.0+
- Swift 5.5+