Introduction - If you have any usage issues, please Google them yourself
Input from the keyboard on a string of positive integers, the last input-1 as an input symbol of the end. Such as input sequence as follows: 2,5,7,23,48,96, ... ...,-1. Please refer to these as a positive integer value of two binary sort tree nodes in the data field' s value, set up a binary sort tree. Note: please use the dynamic storage method to preserve tree binary sort tree, the prior did not know that the binary sort tree in the number of nodes.