9 条题解
-
1
#include<stdio.h>
int main(){
int S;
scanf("%d",&S);
while(S<0||S>100){
printf("EORR");
return 0;
}
switch(S/10){
case 9 ... 10:printf("A");break;
case 8:printf("B");break;
case 7:printf("C");break;
case 6:printf("D");break;
case 0 ... 5:printf("E");break;
}
return 0;
}