题解 | #成绩排序#

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
        int a = in.nextInt();
        int b = in.nextInt();
        LinkedList<String> [] arr = new  LinkedList  [101];
        for (int i = 0 ; i < a ; i++) {
            String str = in.next();
            int index = in.nextInt();
            if (arr[index] == null) {
                arr[index] = new LinkedList();

            }
            arr[index].add(str);
        }
        if (b == 0) {
            for (int i = 100 ; i >= 0 ; i--) {
                if (arr[i] != null) {
                    for (String st : arr[i]) {
                        System.out.println(st + " " + i);
                    }

                }

            }
        } else {
            for (int i = 0 ; i <= 100 ; i++) {
                if (arr[i] != null) {
                    for (String st : arr[i]) {
                        System.out.println(st + " " + i);
                    }

                }

            }
        }
    }
}