The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Binary Indexed Tree (BIT) or Fenwick Tree performs range query and element update operations in O(log n) logarithmic time complexity on array of elements. The similar efficiency cannot be achieved for ...

ABSTRACT: In combinatorics, permutations are important objects with many operations. In this paper, we define a coupling product on permutations and prove that the space spanned by permutations is a ...

Abstract: In order to effectively manage and process incoming calls, the study presents an enhanced caller identification system that makes use of the binary search tree and bucket sort algorithms.

Source Code for HappyCoders.eu article series on tree data structures (binary tree, binary search tree, AVL tree, red-black tree).