Empresa engajada
Several questions across different interviews. Was asked to implement knn and select an algorithm that would deal with video scene identification for the final one. Also, the HR asked the questions that you can find in any interview process of a large company, e.g describe a time where you explained a technical matter to a non-technical audience etc.
Sigiloso
The answers for the coding exercises can be found in stack answers or coding websites like leet code etc.