fenwick-tree and Dual-fenwick-tree

Harui-i / library

library for competitive programming

https://harui-i.github.io/library/

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Open Harui-i opened 1 month ago

Harui-i commented 1 month ago

こどふぉなどで便利

Harui-i commented 3 weeks ago

fenwick-tree ; point add, range sum. dual-fenwick-tree; point sum, range add