输入字符，建立平衡二叉树，再输出字符，中序，抛砖引玉-input characters, the establishment of balanced binary tree, and the output of characters, sequence, something

平衡排序二叉树的具体实现及使用测试例子 在linux上测试通过-Order to achieve a balanced binary tree and the use of specific test cases to test in linux through