GP of Moscow Workshop

Revision en1, by rng_58, 2017-04-23 18:41:03

Let's discuss problems.

B is very nice. Until the end of the contest, I thought it was a marathon task. Then yutaka1999 told me the following: for an odd prime p, a[p] = 2 - p%4.

And I like geometry tasks like J.

Tags opencup

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en1 English rng_58 2017-04-23 18:41:03 268 Initial revision (published)