通过编程实现递归与分治策略的有关算法，理解递归与分治策略算法的原理，掌握递归与分治策略基本思想与应用技巧。 -Through the realization of recursive programming strategy and separation of the relevant algorithms, understanding of the recursive algorithm with sub-rule strategy of the principle of recursion and divided master the basic strategy of thinking and application skills.