In competitive programming like Codeforces or AtCoder, the input is given as the stdio and it is sometimes annoying to parse the input.
If you use Rust and you are in AtCoder, proconio is available but this library is not available in any other conditions.
That's why I've implemented
The web app is deployed to https://akiradeveloper.github.io/procon-input/.
Here is the screenshot of the app. You can choose from 10 languages: Python, C++, Nim, Ruby, Java, C#, Rust, Kotlin, Go and Swift.
Thanks to nom for implementing the parser and yew to implement the application.