This is a classic wine, the sub

代码说明：

这是一个精典的分酒程序，分别有3 ，5 ，8 升三个瓶子，现在3和5里装了酒，要求不借助于别的工具，分出一个4 升的酒来-This is a classic wine, the sub-procedures, respectively, 3, 5, 8 or three bottles, now three and five carried the wine, asked not to help other tools, the separation of a 4-liter liquor to