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Автор streek, история, 3 года назад, По-английски

Is the difficulty assigned by kenkoooo to atcoder problems are in terms of codeforces?? I mean to say suppose a problem is assigned difficulty value of 1500 on kenkoooo then what will be its approximate difficulty in terms of codeforces difficulty system.

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According to the kenkoooo docs, problem rating represents the same concept as the Codeforces problem rating, i.e. 50% of people with the rating can solve the problem.

Hence your question is equivalent to "What is the mapping between Codeforces and AtCoder user ratings. As far as I know, there is no official mapping, and no easy way to create one, but this question has been raised at least 5 times: 1, 2, 3, 4, and even some discussion of ratings from rng.