Combinatorics using polynomials

Правка en1, от visho33, 2022-12-26 22:53:23

Hi! I found a type of problems I couldn't solve, but I read that we can solve them using FFT or generating functions. I don't know how to use these approaches here, can someone help me please? (I didn't found a tutorial, just discussions) The problems are: - Square Grid - The last problem in this note of Petr's blog - Kalel, The Jumping Frog Would be nice for me a more detailed explanation or a resource to check

Теги combinatorics, fft, generating function

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en1 Английский visho33 2022-12-26 22:53:23 655 Initial revision (published)