Validate solutions via web service

As an additional resource, we are publishing a web service where you can validate the answers without the need of uploading the source code every time to validate a solution.

POST https://apex.oracle.com/pls/otn/mdc/contest/
solution: the errand boys of the city of men

This route receives a parameter (solution), which represents the string to validate and returns 1 or 0, where 1 is a valid string.