我想要接受字符串{a，b，c}的dfa，它以a開始並以c結尾，甚至沒有。 b

我爲此做了以下dfa ...但它不正確...請幫助我...有效的字符串是abbc，aabbcc，aabbbbc，abbcccc。和無效的字符串是abca，abc，abbcb，babbc.please幫助我。我已經做到了。我想要接受字符串{a，b，c}的dfa，它以a開始並以c結尾，甚至沒有。 b

<?php 
include "config.php"; 
if (isset($_POST['submit'])) { 
        include('PHPMailer-master/PHPMailerAutoload.php'); 
        $userName=$_REQUEST['username']; 
        $userEmail=$_REQUEST['mail']; 
        $userPhone=$_REQUEST['mobile']; 
        $subject=$_REQUEST['sub']; 
        $userMsg=$_REQUEST['msg']; 
//i have image of DFA. but, i don't have 10 reputation so,i can't upload it... 
?>

stackoverflow不接受我的問題，所以我把我的解釋在php.please避免php標記。請幫助我...我真的堅持這一點。

來源

2015-06-26 Umesh Jesadiya