notunspamless's blog

By notunspamless, history, 7 weeks ago, In English

Recently, I came across a Codeforces user named AlgoRubik (rating ~2010) from India. At first glance, his profile looks quite normal—active participation, decent rating, and regular contest history.

However, after looking more closely at some of his contests, a few patterns started to feel unusual and raised some doubts.

What Looks Strange?

Very fast submissions on hard problems In multiple contests, difficult problems were solved extremely quickly—sometimes faster than what you would expect even from highly rated participants.

Inconsistent performance In some rounds, he performs at a level comparable to 2100+ rated coders. But in other contests, he struggles with relatively basic problems, which feels inconsistent.

Possible code similarities Some of the solutions appear very similar to existing code or other participants' submissions, with only minor changes.

Example Submissions

You can check some of the submissions here:

322215367 363893727 364331446 366692285

This user is clearly trying to game the system—adding meaningless changes like 0==0 to disguise copied submissions. The pattern across multiple contests looks highly suspicious. Please review MikeMirzayanov and take appropriate action.

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