题解 | 汽水瓶

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        List<Integer> list = new ArrayList<>();
        while (in.hasNext()) { // 注意 while 处理多个 case
           int n = in.nextInt();
           if(n==0){
            break;
           }
           list.add(n);
        }
        for(int a:list){
            System.out.println(a/2);
        }
    }
}