Talk:Dirichlet hyperbola method
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Optimal splitting point
[edit]In many cases, the sum can be computed sublinearly. Splitting at sqrt(n) gives O(n^3/4), splitting optimally in O(n^2/3) time.
https://codeforces.com/blog/entry/117635 Wqwt (talk) 22:33, 29 July 2024 (UTC)