#include <stdio.h>
#include <stdlib.h>
int main()
{
char score,level;
printf("請輸入分數 : ");
scanf("%d",&score);
level= (int) score/10;
switch(level)
{
case 9:
puts("A");
break;
case 8:
puts("B");
break;
case 7:
puts("C");
break;
case 6:
puts("D");
break;
default:
printf("選項錯誤\n");
}
printf("===================================\n");
system("pause");
return 0;
}
