题目内容：
输入
N组数据
名字+成绩
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输出：按照成绩升序或降序排列，若成绩相同，按照录入的先后顺序
import java.util.Scanner;
public class Score {
private static String[] names;
private static int[] grades;
private static boolean compare(int i, int j, int flag){
return flag == 0 ? grades[i] > grades[j] : grades[i] < grades[j];
}
private static void exch(int i, int j){
String tempS = names[j];
int tempG = grades[j];
names[j] = names[i];
grades[j] = grades[i];
names[i] = tempS;
grades[i] = tempG;
}
public static void sort(int flag){
for(int i = 1; i < names.length; i++)
for(int j = i; j > 0 && compare(j,j - 1,flag); j--){
exch(j,j - 1);
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input = new Scanner(System.in);
while(input.hasNext()){
int n = input.nextInt();//人数
int flag = input.nextInt();
names = new String[n];
grades = new int[n];
for(int i = 0; i < n; i++){
names[i] = input.next();
grades[i] = input.nextInt();
}
sort(flag);
for(int i = 0; i < n; i++){
System.out.println(names[i] + " " + grades[i]);
}
}
}
}