Question

是判断一个学生考试成绩及格与否的程序（成绩A,或B,或C者为及格；成绩为D者不及格）.

Answer 1

switch((int)(grade/10))

case(10):chgrade ='A' ;break;

case(9): chgrade ='A';break;

case(8): chgrade ='B';break;

case(7): chgrade ='C';break;

case(6): chgrade ='D';break;

default: printf("%sn","fail!");

}