ZOJ1004的解题源代码

zoj 1004 的题目，这是一个经典的水壶倒水问题，题目中没有要求最少的次数倒满水，所以还可以不用bfs，本题用了bfs-zoj 1004 topics, this is a classic problem of water pouring money down the drain, the title does not require a minimum number of filling water, so it can be b

问题：枫教授在一所大学教数学，他发现了一个函数，用于获得一个表达式的操作数的目的，函数命名op(i,e)可以描述如下:(problem:Professor Maple teaches mathematics in a university. He have invented a function for the purpose of obtaining the operands from an expression. The funct