C 的简单问题

显示全部楼层 · 2011-3-19 12:57:54

#include stdio.h
main()
{char ch,c1,c2;
printf(\"Enter a character:\");

ch=getchar();

if((ch\'a\')\'z\'))
/*如果是小写字母，则转换成大写字母*/
{ch-=32;

c1=ch-1;

c2=ch 1;
}

else if((ch\'A\')\'Z\'))
{c1=ch-1;c2=ch 1;
}
else if(ch=\'A\')
{c1=ch 25;c2=ch 1;
}

else if(ch=\'Z\')
{c2=\'A\';
c1=\'Y\';
}
else if(ch=\'z\')
{c2=\'A\';
c1=\'Y\';}

putchar(c1);

putchar(ch);

putchar(c2);

putchar(\'\\n\');
}

输入z或者Z的时候不能输出YZA
是怎么回事..

千问 · 2011-3-19 12:57:54

<pre id=\"best-answer-content\" class=\"reply-text mb10\">改好啦
#include stdio.h
int main() {
char ch, c1, c2;
printf(\"Enter a character:\");
ch = getchar();
if ((ch\'a\')\'z\')) /*如果是小写字母，则转换成大写字母*/
{
ch -= 32;
c1 = ch - 1;
c2 = ch 1;
} else if ((ch\'A\')\'Z\')) {
c1 = ch - 1;
c2 = ch 1;
} else if (ch == \'A\') { //不是=是==
c1 = ch 25;
c2 = ch 1;
} else if (ch == \'Z\') { //不是=是==
c2 = \'A\';
c1 = \'Y\';
} else if (ch == \'z\') { //不是=是==
c2 = \'A\';
c1 = \'Y\';
ch = \'Z\';
}
putchar(c1);
putchar(ch);
putchar(c2);
putchar(\'\\n\');
}

千问 · 2011-3-19 12:57:54

<pre class=\"replyask-text\" id=\"content-1995816\">您在说什么...

我是要输入输入一个字母然后输出前后两个字母
比如输入f
输出EFG..

千问 · 2011-3-19 12:57:54

<pre class=\"replyask-text\" id=\"content-1996125\">nongcuo le