[2004]:成绩转换（switch）

成绩转换

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 103152 Accepted Submission(s): 45350

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!

#include<stdio.h>int main(){    int score;    while(scanf("%d", &score)!=EOF){        if(score<0 || score>100){            printf("Score is error!\n");            continue;        }        else{            int grade = score/10;            switch (grade){                case 10 :                     printf("A\n");                    break;                case 9 :                    printf("A\n");                    break;                case 8:                    printf("B\n");                    break;                case 7:                    printf("C\n");                    break;                case 6:                    printf("D\n");                    break;                default:                    printf("E\n");                    break;            }        }    }    return 0;}