Introduction - If you have any usage issues, please Google them yourself
Vc development of binary tree realize the program, creating a binary tree, the first order (node-left-right) way, each input a node values (characters), knock the enter key, then enter the next node values, the empty node value using * says, each leaf node must heel two empty pointer, and the output of it in order to traverse form and drawing form, help beginners to deepen understanding of the concept of binary tree