供参考:
#include<stdio.h>
#include<stdlib.h>
int main()
{
int score;
printf("Please Input Score:");
scanf("%d",&score);
if(score < 0 || score > 100)
{
printf("error!");
return 1;
}
switch(score/10){
case 10:
case 9:printf("Excellence!\n");break;
case 8:printf("Good!\n"); break;
case 7:printf("Medium!\n"); break;
case 6:printf("Pass!\n"); break;
default:printf("Fail!\n"); break;
}
return 0;
}