[luogu P4213] [template] Sum (Mathematics) (division and blocking)

[template] Sum Title Link: luogu P4213 General idea of the topic Please φ Prefix and sum of functions μ Prefix and of the function. (Euler function and Mobius function respectively) thinking Pre knowledge Integral function: for two coprime numbers \ (x,y \), \ (f(xy)=f(x)f(y) \), then \ (f \) is an integral function. Complete integral ...

Posted on Tue, 02 Nov 2021 15:43:57 -0400 by zmoerf

Algorithmic Base Part 2-Divide

Algorithmic Part Base 2 1. Examples of algorithms _This chapter mainly studies the knowledge of division and division, because it is the most basic binary search and check sorting, followed by in-depth study. These algorithms need to be made very clear, backwards like flow, have been studied before, but there is no record, this time look agai ...

Posted on Sat, 11 Sep 2021 15:51:15 -0400 by Rustywolf