package jiao.er;

import java.util.Scanner;

public class Shangpin {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int book = 12;
        int qianbi = 1;
        int xiangpi = 2;
        int kele = 3;
        int lingshi = 5;

        System.out.println("书本的价格为:"+book+"元,一共有20元");
        System.out.println("1.铅笔的价格为:"+qianbi+"元");
        System.out.println("2.橡皮的价格为:"+xiangpi+"元");
        System.out.println("3.可乐的价格为:"+kele+"元");
        System.out.println("4.零食的价格为:"+lingshi+"元");
        System.out.println("请输入要买的商品序号:");

        int id = sc.nextInt();
        switch (id){
            case 1:
                int qianbimo = 20-book;
                int a1 = qianbimo/qianbi;
                int b1 = qianbimo%qianbi;
                System.out.println("买完书还可以买铅笔"+a1+"个,还剩"+b1+"元");
                break;
            case 2:
                int xiangpimo = 20-book;
                int a2 = xiangpimo/xiangpi;
                int b2 = xiangpimo%xiangpi;
                System.out.println("买完书还可以买橡皮"+a2+"个,还剩"+b2+"元");
                break;
            case 3:
                int kelemo = 20-book;
                int a3 = kelemo/kele;
                int b3 = kelemo%kele;
                System.out.println("买完书还可以买可乐"+a3+"个,还剩"+b3+"元");
                break;
            case 4:
                int lingshimo = 20-book;
                int a4 = lingshimo/lingshi;
                int b4 = lingshimo%lingshi;
                System.out.println("买完书还可以买橡皮"+a4+"个,还剩"+b4+"元");
                break;
            default:
                System.out.println("序号有误");
                break;
        }
    }
}