geometric series problem

Правка en1, от bhikkhu, 2017-01-23 23:26:31

http://codeforces.net/contest/758/problem/F

Guys can anybody explain why the upper bounds for x and y for the ratio d = x/y is n-1 th root of 'r'?

I know it myself but I want to know what other coders think about it.

So basically explain why x <= power(r, 1 / (n — 1))?

Теги root, geometric, series

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en2 Английский bhikkhu 2017-01-23 23:27:05 37 Tiny change: 'mdash; 1))?' -> 'mdash; 1)) and y <= power(r, 1 / (n - 1))?'
en1 Английский bhikkhu 2017-01-23 23:26:31 309 Initial revision (published)