CForge is a sleek iOS app for competitive programmers that delivers live contests, problem browsing, and profile stats straight from the Codeforces REST API — all in a polished SwiftUI experience.
Whether you're prepping for your next competition or tracking your rank climb, CForge brings the Codeforces ecosystem to your fingertips.
⚡️ Splash Screen
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🏠 Home View
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🏆 Contest View
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📜 Problem List View
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👤 Profile View
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- 📅 Live Contest Tracking — Get a real-time list of upcoming and ongoing contests.
- 🔍 Problem Explorer — Browse, search, and filter problems by difficulty and tags.
- 📊 Profile Insights — Check user ratings, ranks, and historical trends.
- ⚡ Smooth Animations — SwiftUI + Combine for responsive and modern UI.
| Layer | Tools & Technologies |
|---|---|
| UI | SwiftUI, Combine |
| Networking | URLSession, JSONDecoder |
| Image Loading | SDWebImage |
| API | Codeforces REST API (/contest.list, /user.info, /problemset.problems) |
| IDE | Xcode |
| Platform | iOS |
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Clone the repository:
git clone https://github.com/username/CForge.git cd CForge -
Open in Xcode:
open CForge.xcodeproj
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Update Signing & Capabilities:
- Select the CForge project in the Xcode navigator (the blue icon at the top).
- Select the CForge target under TARGETS.
- Go to the Signing & Capabilities tab.
- Check Automatically manage signing.
- Change the Team dropdown to your own Apple Developer account (a free Apple ID works).
- If needed, update the Bundle Identifier to something unique (e.g.,
com.yourname.CForge).
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Run on a simulator or a connected iOS device.
CForge uses the Codeforces REST API.
Endpoints in use:
/contest.list — Fetches upcoming and ongoing contests.
/user.info — Retrieves profile information and ratings.
/problemset.problems — Provides the full problem set with tags and ratings.
- Codeforces REST API — for contest, problemset, and profile data.
- SwiftUI & Combine — Apple frameworks for building modern UIs.
- Xcode — IDE used for development.