#include<stdio.h>
main()
{
float score;
char grade;
scanf("%f",&score);
while(score>100||score<0)
{
printf("\nerror");
scanf("%f",&score);
}
switch ((int)(score/10))
{
case 10:grade='A';
case 9:grade='A';
case 8:grade='B';
case 7:grade='C';
case 6:grade='D';
case 5:
case 4:
case 3:
case 2:
case 1:
case 0:grade='E';
}
printf("%c\n",grade);
return 0;
}
看不来哪错了，不管输什么数字结果都是E，
我都快哭了
main()
{
float score;
char grade;
scanf("%f",&score);
while(score>100||score<0)
{
printf("\nerror");
scanf("%f",&score);
}
switch ((int)(score/10))
{
case 10:grade='A';
case 9:grade='A';
case 8:grade='B';
case 7:grade='C';
case 6:grade='D';
case 5:
case 4:
case 3:
case 2:
case 1:
case 0:grade='E';
}
printf("%c\n",grade);
return 0;
}
看不来哪错了，不管输什么数字结果都是E，
我都快哭了
