Introduction - If you have any usage issues, please Google them yourself
A two fork tree node value is capitalized, and the preorder traversal and sequence traversal sequence of the two fork tree is input to generate the two binary tree, and output the traversal and hierarchical traversal sequence of the two fork tree. Input a node value and find the node in the two forked tree. If the node exists, the path from the root to the node is output, otherwise the information is not present.