Introduction - If you have any usage issues, please Google them yourself
(1) by {4, 9, 0, 1, 8, 6, 3, 5, 2, 7} to create a binary sort tree and bracket notation bt output (2) to determine whether a two bt Binary sort tree (3) the use of two methods of recursive and non-recursive lookup keyword node 6, and outputs its search path (4), respectively, to delete the keyword bt junction 4 and 5, and the output Binary sort tree after deletion.