[Data Structure] Fenwick Tree (Binary Indexed Tree)

[nono-00]

参考実装

• https://beet-aizu.github.io/library/datastructure/binaryindexedtree.cpp
• https://ei1333.github.io/library/structure/others/binary-indexed-tree.hpp
• https://ei1333.github.io/library/structure/others/abstract-binary-indexed-tree.hpp
• https://nyaannyaan.github.io/library/data-structure/binary-indexed-tree.hpp
• https://maspypy.github.io/library/ds/fenwicktree/fenwicktree.hpp

依存するライブラリ

• なし

その他