1) 以二叉链表为存储结构，写出建立二叉树、先序（中序、后序）遍历二叉树、求二叉树节点总数、叶子数、树高度的算法。 完成队列抽象数据类型的顺序、链式表示与实现。并对上面建立的二叉树按层次遍历。 -1) list for binary storage structure, to write the establishment of binary tree, the first sequence (in sequence, after the sequence) binary tree