120510 has clearly been using AI to cheat in various contests. His submissions are clearly from ChatGPT:
https://mirror.codeforces.com/contest/2120/submission/325453878
https://mirror.codeforces.com/contest/2129/submission/331847344
Yesterday, he submitted and got WA 4 times on problem B, and then he deleted his entire template to copy ChatGPT's code:
We need to get rid of dirty AI cheaters like this to keep codeforces clean.
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It's not for a week but half a year, are you sure, this is your last chance
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I reached out and tried to reason with him about the harm of cheating, but it didn’t seem to help. Disappointing, but I did what I could ;-;
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