这是最难的一个程序了，算法是运筹学里的branch band的集装箱问题的最优动态规划解法，当年我的头都大了才实现的，绝得数学加实践的程序-this is the most difficult of a process, the algorithm is tacticians band's branch of the container optimal dynamic programming solution, for the first time, I have to get bigg