Minimal Mark-and-Sweep Garbage Collector

See here the problem statement https://docs.google.com/document/d/1awOGX5LgkE00W9Rhfx1DMISp5tjJT9fg7ELjzbPQPlU/edit?usp=sharing

# Submission

Please see here how to push your solution https://github.com/xoriors/coding-challenge?tab=readme-ov-file#how-to-submit-your-solution and send PR to [coding-challenge.why724@passfwd.com](mailto:coding-challenge.why724@passfwd.com) by Jun 2 at 19:00 GMT+3.
At that time, we'll have this follow-up call to discuss solutions in the context of https://www.meetup.com/star-tech-rd-reloaded , so make sure you're a member of the group to receive notifications.

Let the coding begin.