倒酒问题描述： 设有两个能装8两的酒杯（称为１号，２号）装满了酒, 和1个能装3两的空酒杯（称为３号）, 问怎样用这3个酒杯向4个人 敬酒, 使得每个人都喝4两酒. 要求： 用程序计算出可行方案。 输入： 无 输出： 每一步决策．-down quite Problem descr iption : two can be loaded with two of the eight glasses (known as 1, 2) filled with the wine, and one can hold three two empty glasses (known as the 3rd) and asked how to use it three to four glasses and toast the individual, so that each person maximum servings of both types 4 2 liquor. Request : procedures calculated options. Input : None output : each step of the decision-making.