HDOJ 2004 Java

水題 

import java.util.Scanner;
public class Main {
    public static void main(String args[]) {
        Scanner sr=new Scanner(System.in);
        while(sr.hasNext()){
            int value = sr.nextInt();
            if(value > 100 || value < 0) {
                System.out.println("Score is error!");
                continue;
            }
            switch(value/10){
                case 10:
                case 9 :
                    System.out.println("A");
                    break;
                case 8 :
                    System.out.println("B");
                    break;
                case 7 :
                    System.out.println("C");
                    break;
                case 6:
                    System.out.println("D");
                    break;
                default:
                    System.out.println("E");
            }
        }
    }
}