ghhkl
k
kkk

mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

import?java.util.Scanner;
public?class?answer?{
?private?int?bottle;
?private?int?lid;
?private?int?exchangeSum;
?private?int?leftBottles;
?private?int?leftLids;
?public?static?void?main(String[]?args)?{
??for(;;)?{
???System.out.println("請輸入你的總金額:");
???Scanner?sc?=?new?Scanner(System.in);
???double?price?=?sc.nextDouble();
???int?btm?=?(int)?(price/2);
???int?sum?=?btm?+?new?answer().getAnswser(btm,?btm);
???System.out.println(price+"元共可買到"+sum+"瓶酒");
??}
?}
?public?int?getAnswser(int?wine,int?cover)?{
??if(wine>=2||cover>=4)?{
???bottle?=?wine/2;
???lid=cover/4;
???exchangeSum?=?bottle+lid;
???leftBottles?=?wine%2+exchangeSum;
??????leftLids?=cover%4+exchangeSum;
??????System.out.println("本次使用了"+wine+"個酒瓶和"+cover+"個瓶蓋,獲得"
??????+exchangeSum+"瓶啤酒,"+"剩余"+leftBottles+"個瓶子及"+leftLids+"個瓶蓋");
??????return?exchangeSum+getAnswser(leftBottles,?leftLids);
??}else?{
???return?0;
??}
?}
}

結(jié)果是15瓶酒

?public static void main(String[] args) {
??Scanner scan = new Scanner(System.in);
??System.out.println("請輸入金額：");
??double money = scan.nextDouble();
??int beer = (int) (money/2);
??int bottle =beer/2;
??int bottlecap = beer/4;
??System.out.println("可以買"+(beer+bottle+bottlecap)+"瓶");
?}

document.write("不知道");