OneCompiler challenges code preloads helps populating boilerplate code for the problems so that users don't have to start from scratch. Typically preloads populate code for reading inouts from console.

How to add preloads?

While editing a problem under challenge, click on Additional options: in the section you see code ids textarea where you can keep comma seperated code ids to preload from different languages.

Common preloads

Following are the common preloads for popular languages, these covers basic syntax for reading STDIN.

3ygcd9fxd, 3ygcdatnw, 3ygcdcmfr, 3ygcdense