fenwick tree 1 arrays 1 data 1 structure 1 structures 1 data structure 1 datastructure 1 data-structure 1 data structures 1 datastructures 1 data-structures 1 in data structures 1 in data structure 1 binary 1 depth 1 breadth 1 first 1 search 1 index 1 avl 1 red 1 black 1 redblack 1 RB 1 segment 1 prefix 1 tree 1 multi 1 map 1 set 1 multiset 1 multimap 1 directed 1 undirected 1 graph 1 min 1 max 1 heap 1 priority 1 queue 1 singly 1 doubly 1 linked 1 list 1 js 1 ts 1 javascript 1 typscript 1 Node.js 1 NodeJS 1 c++ 1 std 1 C++ STL 1 c++stl 1 C++ std 1 stl 1 std:: 1 Python 1 collections 1 Python Collections 1 pythoncollections 1 python-collections 1 C# 1 System.Collections.Generic 1 collection 1 java.util 1 Java 1 util 1 binary search tree 1 binarysearchtree 1 binary-search-tree 1 BST 1 binary tree 1 binarytree 1 binary-tree 1 red black tree 1 redblacktree 1 redblack tree 1 red-black-tree 1 redblack-tree 1 trie 1 prefix tree 1 prefixtree 1 prefix-tree 1 avl tree 1 avltree 1 avl-tree 1 tree set 1 treeset 1 tree-set 1 tree multiset 1 treemultiset 1 tree-multiset 1 tree map 1 treemap 1 tree-map 1 tree multimap 1 treemultimap 1 tree-multimap 1 binaryindexedtree 1