[One minimum arrangement is one board covering stalls 3-8, one covering 14-21, one covering 25-31, and one covering 40-43.
[One minimum arrangement is one board covering stalls 3-8, one covering 14-21, one covering 25-31, and one covering 40-43.
首先,如果没有木板数量的限制,那么当然是在每一个有牛的牛棚盖一块板子就可以使所用最小.