A command-line tool to submit solutions directly to the CSES Problem Set from the terminal.

It handles authentication, CSRF tokens, and submission tracking automatically.

• Login with persistent session support
• Submit solutions using a single command
• Automatic problem ID extraction from URL
• CSRF token handling
• Language detection from file extension
• Submission status tracking
• Session reuse to avoid repeated login

pip install cses-cli

cs setup

Just copy the problem set url : eg. https://cses.fi/problemset/view/1133/ from cses.

cs <file_path_with_extension> <problem_set_url>

And Eureka! your code is submitted, it will print error if test cases failed with the error message and if all test cases passed it will succeed