char ch;
scanf(" %c",&ch);
printf("%c %c\n",(char)(ch-1),(char)(ch+1));
printf("%d %d\n",(ch-1),(ch+1));
#include
int main(void)
{
char a;
a=getchar();
printf("%c:%d\n%c:%d\n%c:%d\n",a-1,a-1,a,a,a+1,a+1);
return 0;
}
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024