9.20腾讯笔试（第一题过90%）
跟大家请教一下，第一题电话号码，这样子只过了90%，一直没找到哪里有问题。。。。
import java.util.Scanner;
/**
* Created by lenovo on 2019/9/20.
*/
public class Main{
public static void main(String[] args) {
Scanner read = new Scanner(System.in);
int t = read.nextInt();
int len;
String num;
int i=0;
while(i < t && read.hasNext()){
i++;
len = read.nextInt();
num = read.next();
if(len < 11){
System.out.println("NO");
}else{ //数量是足够的
int begin = num.indexOf("8");
if(begin >= 0){//有8
if(len - begin >= 11){
System.out.println("YES");
}else{
System.out.println("NO");
}
}else{
System.out.println("NO");
}
}
}
}
} 
