MFC实现二叉搜索树，输出先序，中序和后序遍历结果。-MFC binary search tree, output preorder, inorder and postorder traversal results.

算法设计的动态规划中的最优二叉搜索树问题,是用VC＋＋编写的-Algorithm design of dynamic programming problem of the optimal binary search tree is written in vc++