[hdu 2004] 成绩转换

成绩转换

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 71230 Accepted Submission(s): 31200

Problem Description

输入一个百分制的成绩t，将其转换成对应的等级，具体转换规则如下：

90~100为A;

80~89为B;

70~79为C;

60~69为D;

0~59为E;



Input

输入数据有多组，每组占一行，由一个整数组成。



Output

对于每组输入数据，输出一行。如果输入数据不在0~100范围内，请输出一行：“Score is error!”。



Sample Input

56
67
100
123

Sample Output

E
D
A
Score is error!

分析：注意100分的情况！

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int score;

		while (scanner.hasNext()) {
			score = scanner.nextInt();

			if (score < 0 || score > 100) {
				System.out.println("Score is error!");
				continue;
			}

			switch (score / 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");
				break;
			}
		}
	}
}