题解 | #成绩排序#

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner fzhinput = new Scanner(System.in);
        ArrayList<Map.Entry<String, Integer>> txxx = new ArrayList<>();
        int num = fzhinput.nextInt();
        int plff = fzhinput.nextInt();

        for (int i = 0; i < num; i++) {
            txxx.add(new AbstractMap.SimpleEntry<>(fzhinput.next(), fzhinput.nextInt()));
        }

        if (plff == 1) {
            txxx.sort(Comparator.comparingInt(Map.Entry::getValue));
        } else if (plff == 0) {
            txxx.sort((o1, o2) -> o2.getValue().compareTo(o1.getValue()));
        }


        for (Map.Entry<String, Integer> entry : txxx) {
            System.out.println(entry.getKey() + " " + entry.getValue());
        }

        fzhinput.close();
    }
}