SQRGOOD evaluation buggy

After sending a solution for first subtask of SQRGOOD, I got this evaluation:

I don’t know what should it mean, especially because the timelimit is 2 seconds.
Does anyone have any idea?

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The judge is not buggy, the issue is with your code. Please make sure to check your code again and check whether it follows the recommendations of interactive problem.

@admin It’s a TLE solution indeed, but it shouldn’t output -1 seconds for being TLE. Also what reccommendations do interactive problems have? I guess if I broke any, then I wouldn’t have AC on first test neither.


I also got a -1 second TLE verdict. Did anyone get a 2 second TLE on this question?