GP of Eurasia

Revision en1, by rng_58, 2016-10-02 16:09:45

Let's discuss problems.

How to solve 8? I have no idea at all and finally decided to believe that we don't need nested addition/subtraction blocks, but it got WA. It seems there are harder cases.

How to solve 12? Essentially it reduces to the following: you are given a circle C and a point P. Find the movement of a point on C whose angular velocity is proportional to the distance from P. Is numerical integration accurate enough?

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en1 English rng_58 2016-10-02 16:09:45 459 Initial revision (published)