第1个回答 2020-01-16
//100分制
#include
<stdio.h>
void
main()
{
int
score,t;
printf("输入成绩:");
scanf("%d",&score);
t=score/10;//t的取值0,1,2,3,4,5,6,7,8,9,10
switch(t)
{
case
0:
case
1:
case
2:
case
3:
case
4:
case
5:printf("不及格\n");break;
case
6:printf("及格\n");break;
case
7:
case
8:printf("良好\n");break;
case
9:
case
10:printf("优秀\n");break;
}
}