#include<stdio.h>
main()
{
char ch;
printf("Please a key and then press Enter:");
scanf("%c",&ch);
if (ch>='a'&&ch<='z')
{
ch=getchar();
ch=ch-32;
printf("%c,%d\n",ch,ch);
}
if (ch>='A'&&ch<='Z')
{
ch=getchar();
ch=ch+32;
printf("%c,%d\n",ch,ch);
}
else
{
printf("%c",ch);
}
}
我运行后出现星号~~~~解决不了~~~~