通过指针的方式建立多叉树，源码中包括多叉树的建立，多叉树的遍历，多叉树的插入等操作，建立多叉树和对多叉树的遍历采用了c++标准模板库中队列，map，list等操作。 -Through pointers way to create multi-tree, the source code is included in multi-tree creation, multi-tree traversal, multi-tree insertion and other operations, the es