给出一个百分制成绩,要求输入成绩等级A,B,C,D,E#includeintmain(){\x05chargrade;\x05scanf("%c",&grade);\x05printf("Yourscore:");\x05switch(grade)\x05{\x05case'A':printf("90~100\n");break;case'B':printf("81~89\n");break;case'C':print

Question

给出一个百分制成绩,要求输入成绩等级A,B,C,D,E
#include
int main( )
{
\x05char grade;
\x05scanf("%c",&grade);
\x05printf("Your score:");
\x05switch(grade)
\x05{
\x05case'A':printf("90~100\n");break;
case'B':printf("81~89\n");break;
case'C':printf("70~79\n");break;
case'D':printf("60~69\n");break;
case'E':printf("

Answer 1

#include
int main( )
{
char grade;
scanf("%c",&grade);
printf("Your score:");
switch(grade)
{ // 注意出入大写的字母
case'A': printf("90~100\n");break;
case'B': printf("81~89\n");break;
case'C': printf("70~79\n");break;
case'D': printf("60~69\n");break;
case'E': printf("