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[Leetcode][Python]36: Valid Sudoku
# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com'36: Valid Sudokuhttps://oj.leetcode.com/problems/valid-sudoku/Determine if a Sudoku is val...
分类:编程语言   时间:2015-02-05 01:58:23    阅读次数:209
【leetcode】Palindrome Number (easy)
Determine whether an integer is a palindrome. Do this without extra space.Some hints:Could negative integers be palindromes? (ie, -1)If you are thinki...
分类:其他好文   时间:2015-02-04 23:17:55    阅读次数:162
[LeetCode]Valid Parentheses
Q:Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all ...
分类:其他好文   时间:2015-02-04 21:52:50    阅读次数:187
leetcode.20-----------Valid Parentheses
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all va...
分类:其他好文   时间:2015-02-04 09:27:00    阅读次数:108
LeetCode[Tree]: Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.  For example:  Given the below binary tree and su...
分类:其他好文   时间:2015-02-03 23:08:01    阅读次数:196
启动apache遇到错误:httpd: Could not reliably determine the server's fully qualified domain name
[root@server httpd-2.2.4]# /usr/local/apache/bin/apachectl start   httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for ServerName   1)进入apache的安装目录:(视...
分类:Web程序   时间:2015-02-03 17:09:56    阅读次数:142
【leetcode】Word Break (middle)
Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl...
分类:其他好文   时间:2015-02-02 17:53:55    阅读次数:165
Valid Parentheses
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类:其他好文   时间:2015-02-01 13:29:34    阅读次数:148
[LeetCode]Palindrome Number
Q:Determine whether an integer is a palindrome. Do this without extra space. 这道题也是基础题,判断一个数是否是回文数,条件是不能使用额外的空间,意思就是说,你不能把一个Intege转换成string,然后对string进行回文字符串的判断。 另外,如果用Reverse Integer的方法,可能会造成数值溢出,比如判...
分类:其他好文   时间:2015-01-31 12:31:11    阅读次数:169
141.Linked List Cycle
Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? HideTags  Linked List Two Pointers #pragma once #include using namespace std; ...
分类:其他好文   时间:2015-01-30 22:54:42    阅读次数:174
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