I was looking for a method for sandboxing submissions under Windows. Simple things, like blocking file I/O, etc. It seems that Codeforces itself runs on Windows, so I'm asking this here: do you have any input on this?

[EDIT] I would like to note I found these, but haven't tested any of it yet:

• https://github.com/DMOJ/judge (seems good, has wbox for Windows and cptbox for Unix, I will return when I take a better look)
• https://github.com/trailofbits/appjaillauncher-rs (disconsidered as it will only run on windows 8+)
• https://github.com/iceb0y/windows-container