成绩等级转换 （C语言代码）switch 条件选择

解题思路:

注意事项:

参考代码:

#include<stdio.h>

int main()

{

int mark;

while((scanf("%d",&mark))!=EOF)

{

switch(mark/10)

{

case 10:

case  9:

printf("A\n");

break;

case 8:

printf("B\n");

break;

case 7:

printf("C\n");

break;

case 6:

printf("D\n");

break;

case 5:

case 4:

case 3:

case 2:

case 1:

case 0:

printf("E\n");

break;

    default:

printf("Score is error!\n");

}

}

return 0;

}