数据是二维数组接收的,不过运行会超时
import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner input = new Scanner(System.in); int N = input.nextInt(); String[][] str = new String[N][3]; //键入数据 for (int i = 0; i < str.length; i++) { str[i][0] = input.next(); str[i][1] = input.next(); str[i][2] = input.next(); } int M = input.nextInt(); //保存未试机同学的试机号 String[] str1 = new String[M]; for (int i = 0; i < M; i++) { str1[i] = input.next(); } //遍历未试机同学的试机号 for (int i = 0; i < str1.length; i++) { //与原始数据进行对比 for (int j = 0; j < str.length; j++) { if(str1[i].equals(str[j][1])){ System.out.println(str[j][0]+" "+str[j][2]); break; } } } } }