[LeetCode] 9. Palindrome Number 验证回文数字
Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same b ...
原文：[LeetCode] Valid Number 验证数字
Validate if a given string can be interpreted asa decimal number. Some examples: gt true . gt true abc gt false a gt false e gt true e gt true e gt false e gt false e gt true e . gt false . e gt true ...
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Valid Number leetcode java
题目： Validate if a given string is numeric. Some examples: "0" => true " 0.1 " => true "abc" ...
[leetcode]Valid Number @ Python
原题地址：http://oj.leetcode.com/problems/valid-number/ 题意：判断输入的字符串是否是合法的数。 解题思路：这题只能用确定有穷状态自动机(DFA)来写会比较优雅。本文参考了http://blog.csdn.net/kenden23/article ...
[LeetCode] Missing Number 丢失的数字
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[LeetCode] Perfect Number 完美数字
We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n ...
[LeetCode] Single Number 单独的数字
Given a non-empty array of integers, every element appears twice except for one. Find that single ...
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Determine if a 9x9 Sudoku board is valid. Only the filled cells need to be validated according to the following rules: Each row must contain ...
[LeetCode] 20. Valid Parentheses 验证括号
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid ...