Following are my notes of some advanced C/C++ features, which were collected from the Internet. Sharing or reposting this note is welcomed. However, there is no guarantee for the correctness of the content.

### Binary Tree Operations(III) - Convert a Binary Tree to Down-Right Representation

This is the third article on binary tree operations. For other topics on binary tree, please refer to:

### Binary Tree Operations(II) - Path Sum and Cycle Detection

This is the second article on binary tree operations. For other topics on binary tree, please refer to

### String Permutation

The string permutation problem aims to find all the permutations of a string(re-arrangement of characters in this string). A string of length n has n! permutations.

### Word Search Problem - Non-recursive Solution

The Word Search states: