c语言swich用法

#include "stdio"

main()

{

int a ;

scanf("%d",&a);

if(a>=0&&a<=100)

{

switch(a/10)

{

case 10

case 9:printf("你的等级为：A"); break;

case 8:printf("你的等级为：B");break;

case 7:printf("你的等级为：C"); break;

case 6:printf("你的等级为：D"); break;

default:printf("你的等级为：E");

}

}

else

printf("您的输入有误，请重新输入");

}

char a;

scanf("请输入A、B、C、D、E",a);

switch(a)

{

case 'A': printf("90-100");

break;

case 'B': printf("80-89");

break;

case 'C': printf("70-79");

break;

case 'D': printf("60-69");

break;

case 'E': printf("0-59");

break;

}

char ch;

scanf("%c",&ch);

switch(ch)

{

case 'A':

printf("90-100");

break;

case 'B':

printf("80-89");

break;

case 'C':

printf("70-79");

break;

case 'D':

printf("60-69");

break;

case 'E':

printf("0-59");

break;

default:printf("Please input a proper character.\n");

}

*********您好!Yadie.23很高兴能为你解答。********* +++++++++++++++++++++++++++++++++++++++++++++++++

#include<stdio.h> #include<conio.h> void main() { char ch; scanf("%c",&ch); switch(ch) { case 'A':printf("100~90");break; case 'B':printf("89~80");break; case 'C':printf("79~70");break; case 'D':printf("69~60");break; case 'E':printf("59~0");break; default :printf("Error!"); } getch(); }

+++++++++++++++++++++++++++++++++++++++++++++++++ You can have a try,maybe my answer useful to you. 如满意，Yadie.23十分感谢您的采纳。*^-^*

char chInput;

.....

switch(chInput)

{

case 'A':

printf("");

break;

case 'B':

printf("");

break;

case 'C':

printf("");

break;

case 'D':

printf("");

break;

}