Neetcode's website and YouTube channel provide detailed explanations of different patterns for solving LeetCode problems. "Patterns for Solving LeetCode Problems" by Clement Mihailescu (2021) In this ...

Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...

Note: Some of the code here is old and was written when I was learning C++. It might be possible that code is not safe or making wrong assumptions. Please use with caution. Pull requests are always ...