这个软件是将整钱转化成零钱的软件，才用的是回溯法，整个程序最后的结果将会给出一个最优解及所需的钱数。零钱的类型可以由用户自己输入！-This software is the whole money into the change of software was used for backtracking, the final result of the entire program will give an optimal solution and the required amount of