Valid Number leetcode java
題目： Validate if a given string is numeric. Some examples: "0" => true " 0.1 " => true "abc" ...
原文：[leetcode]Valid Number @ Python
原題地址：http: oj.leetcode.com problems valid number 題意：判斷輸入的字符串是否是合法的數。 解題思路：這題只能用確定有窮狀態自動機 DFA 來寫會比較優雅。本文參考了http: blog.csdn.net kenden article details 里面的內容，在此致謝 首先這個題有 種狀態： 初始無輸入或者只有space的狀態 輸入了數字之后的狀態 ...
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