题解 | 讨厌鬼进货

import java.util.Scanner;
import java.util.*;
// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        ArrayList<Integer> list1 = new ArrayList<>();
        ArrayList<Integer> list2 = new ArrayList<>();
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            int x = in.nextInt();
            for (int i = 0; i < n; i++) {
                list1.add(in.nextInt());
            }
            for (int i = 0; i < n; i++) {
                list2.add(in.nextInt());
            }
            int count = 0;
            for (int i = 0; i < n; i++) {
                int  y = list1.get(i) < list2.get(i) ? list1.get(i) : list2.get(i);
                count += y;
            }
            if (count > x) {
                System.out.println(x);
            } else
                System.out.println(count);
        }
    }
}