AtCoder Unit Test

This is an extension that generates unit tests from the AtCoder problem page. 1. Open the AtCoder problem page 2. Click the icon on the toolbar 3. "Paste" in any editor Now you are ready to run your unit tests. When you run a test, it sends example input to the program and checks the output. All green is OK. Submit it! Tips: Since the contents of standard output (stdout) are captured, when debugging printf, go to error output (stderr). Supported languages: Python3 (unittest), Java (JUnit5), Kotlin (JUnit5), C# (MS Test), Go, Ruby (RSpec)