本程序是麻省理工学院的《算法导论》上的动态规划问题，是由装配线问题引入的，也是我们的一次作业，大家如果交作业的话，也可参考。-This procedure is from the book printed by the Massachusetts Institute of Technology named Introduction to Algorithm on the dynamic programming problem, the problem is introduced by the assembly line, is also our homework ,if you have no idea about this problem, please refer to the program.