How do you count rooted planar n n-ary trees with some number of leaves? For n = 2 n = 2 this puzzle leads to the Catalan numbers. These are so fascinating that the combinatorist Richard Stanley wrote ...

Abstract: The tree (hierarchical) structure is one of the elementary memory arrangements, used by numerous data structures – ranging from simple to relatively sophisticated ones. The most well-known ...

Blockchain technology has flipped the finance world on its head, yet amid the crypto buzz, a critical component often slips under the radar: the Merkle Tree. While flashy terms like mining algorithms ...

Lego's new 2-in-1 set pays an "epic homage" to "The Legend of Zelda" video game series by allowing fans to build the Great Deku Tree. The Lego Group unveiled the 2,500-piece set Tuesday saying it ...

Understand what the interviewer is asking for by using test cases and questions about the problem. Established a set (2-3) of test cases to verify their own solution later. Established a set (1-2) of ...

This is a comprehensive Java implementation of my algorithm for rolling binary trees, which takes a binary tree as input and rolls it in linear time, as described in this paper. Common design patterns ...