GitLab

- Multi-language code execution platform (Python, JS, TS, Java, Go, PHP, Ruby, Kotlin, C#, Rust, C, C++)
- Container pool executor for fast execution (~500ms vs 3.4s docker run)
- Language categorized dashboard (Frontend/Backend/System)
- Per-language problem library navigation
- SSO integration support
- One-click deploy/start scripts for Windows/Linux/Ubuntu
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>