Introduction - If you have any usage issues, please Google them yourself
, the input string level traversal of a completely two fork tree, creating the two binary tree, preorder traversal string, the output of the two binary tree traversal, postorder traversal string string, the number of nodes, two tree height (each row shows the results of independent).
2. Input the two forked tree preorder sequence and the middle sequence sequence (each element is different), create this two forked tree, output the rear sequence of the two tree and traverse the hierarchy.