Attention to the Code Forces Authority . How to Hack a Solution ?? How Can I lock a code to get prevent from Hacking ?? I am newbie . I have solved a problem at today's Contest . And my code has been Hacked . Can anyone please help ??
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No, you SHOULDN'T lock the task to prevent it from hacking. Otherwise, if it is locked, you can hack and you can be hacked.
Your solution can always be hacked.
To prevent hacking just write error free code as your solution. Being hacked means that your code has some bug and is not correct for all the cases. And as it is not correct it will fail in the system testing. Haking is just a feature to award points to other user who can identify your mistake and can prove that your solution is wrong.
If you are not sure about your code then you shouldn't lock your code!!