以下代码是我在练习switch语句时在DEV C++里写的时候调试会出现segematation fault
但是同样的在VS2017中却不会出现这个问题,求教!(抱拳)
#include <stdio.h>
int main()
{
char ch;
printf("please input A or B or C or D or E ");
scanf("%c",&ch);
switch(ch>='A'&&ch<='E')
{
case 0:
switch(ch){
case 'A':printf("perfect");
case 'B':printf("good");
case 'C':printf("good");
case 'D':printf("pass");
case 'E':printf("pass");
}
case 1:
if(ch>'E'&&ch<='Z')
printf("not pass");
else printf("input fault");
}
return 0;
}