This week, Elon Musk’s startup xAI released the AI-generated encyclopedia Grokipedia, the billionaire’s latest effort to attack and dismantle Wikipedia, which he views as spewing leftist propaganda.

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 ...

Background: Arthritis is the most disabling disease worldwide, and the presence of the disease usually greatly threatens the patient’s activities of daily living (ADL). Currently, there are a few ...

Abstract: For increasingly complex real-world optimization problems, a large number of researches have shown that differential evolution (DE) is an effective problem-solving algorithm. Despite its ...

Given a binary tree, return an array where elements represent the bottom view of the binary tree from left to right. Note: If there are multiple bottom-most nodes for a horizontal distance from the ...

Now that we’re getting into more complex data structures, having more complex operations, it’s helpful to have a tool for visualization. Here’s a tool developed by David Galles, formerly of University ...

// Problems on binary search tree (BST). // what and why -: Binary search Tree (BST) -: // the value of the left subtree of the binary search tree is less and // the value of the right subtree of the ...