用delphi实现的各种排序算法，图形界面，可实现插入排序、交换排序、选择排序、合并排序以及基数排序-used to achieve the various sequencing algorithms, graphical interface, insert can be realized, in order of ranking exchange, SELECTION SORT, the merger sort of base sequencing

二叉树回溯，利用栈实现，带界面演示，更加直观的查看每个时刻栈的情况。-Bintree back, using the stack to achieve, with the interface presentation and more intuitive view of the circumstances of each moment of the stack.