In the movie “Social Network”, Mark asked Eduardo for the formula to “rank girls” in facemesh.com. The formula above is commonly known as the Elo rating system. It is used to calculate the relative skill levels of players or teams in competitive games, such as chess or sports. In the formula: The Elo rating system […]
Category: Algorithms
Here is the question. I came up with the answer without looking the answer, bottom up dynamic programming (dp) is not a very easy to design at the beginning. Starting from top down + cache, I wrote it a few times, and simplified it a little bit each time, and finally passed the OJ. Python […]
Problem Statement Definition of a complete binary tree from Wikipedia:In a complete binary tree every level, except possibly the last, is completely filled, and all nodes in the last level are as far left as possible. It can have between 1 and 2h nodes inclusive at the last level h. Example: The easiest way is to traverse […]