HDOJ2004-成绩转换

 1 #include<stdio.h>
 2 int main()
 3 {
 4     int a;
 5     while(scanf("%d",&a)!=EOF)
 6     {
 7         if(a<0||a>100)     printf("Score is error!\n");
 8         else
 9             switch (a/10)
10             {
11                 case 10:
12                 case 9:printf("A\n");break;
13                 case 8:printf("B\n");break;
14                 case 7:printf("C\n");break;
15                 case 6:printf("D\n");break;
16                 default:printf("E\n");
17             }
18     }
19     return 0;
20 }