A Fenwick tree (or binary indexed tree) is a fast data structure for storing and maintaining cumulative frequency tables.
Formally, the Range Minimum Query Problem is: Given an array A[0, N-1] , Find the position of the element with the …
algorithm data-structures tree fenwick-tree rmqI have read through some tutorials about two common data structure which can achieve range update and query in O(…
algorithm data-structures segment-tree fenwick-treeI am trying to understand the algorithm that gives me the number of increasing subsequences of length K in an …
c++ algorithm lis fenwick-tree