#include"stdio.h"
main()
{
char c1,c2;
c1=getchar();
if(c1<97&&c1>65);
printf("%c,%d\n",c1,c1);
c2=c1+32;
printf("%c,%d\n",c2,c2);
else
printf("bad\n");
}
编译失败，错误在else

去掉也不行啊

缺红大括号，多谢了