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    For all SQL beginners here, there are multiple very decent, FREE websites to learn SQL commands. For people who are bit more advanced, check out SQL murder mystery, its great.

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    It doesnt fail your random test, your code supposedly is just unoptimized and takes too long to calculate, like my code, but I dont see a way how to optimize my code even further

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    Like said, it doesnt get much more optimized than it is rn

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    The servers are too slow.... and I think my code doesnt get much more optimized than it is

    Execution Timed Out (12000 ms)
    Why did my code time out?
    Our servers are configured to only allow a certain amount of time for your code to execute. In rare cases the server may be taking on too much work and simply wasn't able to run your code efficiently enough. Most of the time though this issue is caused by inefficient algorithms. If you see this error multiple times you should try to optimize your code further.