说明：  有20 10 5 1 元和2.5角 1角 5分 1分 的零钱，将输入的任意钱数转换为用这些零钱表示 原创
(There are 201,051 yuan and 2.5 angle a corner five minutes one-point change for the input of an arbitrary amount of money that is converted to use these coins)