题目:
输入一个百分制的成绩t,将其转换成对应的等级,具体转换规则如下:
90~100为A;
80~89为B;
70~79为C;
60~69为D;
0~59为E;
如果输入数据不在0~100范围内,请输出一行:“Score is error!”。
#include<stdio.h>
#include<stdlib.h>
int main()
{
int sco;
while(scanf("%d",&sco)!=EOF)
{
if(sco>=90&&sco<=100)
printf("A\n");
else if(sco>=80&&sco<=89)
printf("B\n");
else if(sco>=70&&sco<=79)
printf("C\n");
else if(sco>=60&&sco<=69)
printf("D\n");
else if(sco>=0&&sco<=59)
printf("E\n");
else printf("Score is error!\n");
}
return 0;
}