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Recommended Operating System Versions
- On Windows, please use Windows 10 22H2 or later or Windows 11.
- On macOS, please use macOS 14 Sonoma or later.
- Windows PCs must be 64-bit (x64) devices.
- Windows Server, Linux, smartphones, and tablets are not supported.
- Virtual machine environments are not supported.
Test Environment
- During the exam, please use only one monitor.
- If an external monitor is connected to your laptop, disconnect it before the exam.
- A screen size of 1280×800 or higher is recommended so the exam screen displays clearly.
- Languages other than Korean are not supported.
Network
- Before the exam, please confirm that your internet connection is stable.
- On networks at schools, academies, or public institutions, access may be blocked due to security settings.
- An internet connection is required for launching the program, logging in, loading problems, submitting answers, and uploading files.
- During the exam, please make sure VPN, proxy, or firewall programs do not interfere with the connection.
Additional Windows Notes
- On Windows, the Microsoft Edge WebView2 Runtime is required.
- On Windows, Microsoft Visual C++ 2015-2022 Redistributable x64 is required.
- Most PCs already have these installed, but if the installer prompts for them, please install the required items first.
Algorithm Exam Notes
- Editing C/C++ and Python/PyPy code uses the tools bundled with the program.
- To solve Java problems, JDK 21 must be installed on your PC.
- If you plan to use Java, confirm before the exam that JDK 21 is executed with
java -version.
File Submission Notes
- For file-submission problems, only zip files may be submitted.
- Identity-verification files may use the
png,jpg,jpeg,webp,heic, orpdfformats. - If a file is too large the upload may fail, so please include only the required contents.