题目链接：Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "25...
分类：
其他好文 时间：
2015-04-09 11:57:09
阅读次数：
191
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan...
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其他好文 时间：
2015-04-09 00:58:05
阅读次数：
128
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
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其他好文 时间：
2015-04-08 23:19:09
阅读次数：
230
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.Return all such possible sentences.For example, given
s = “catsanddo...
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其他好文 时间：
2015-04-08 16:25:24
阅读次数：
164
题目：
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
思路：
判断两个字符串是否为anagram的方法可以有：
1）将每个字符串的所有字符按字典序排列，比较是否相同。
2）用Has...
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其他好文 时间：
2015-04-08 15:02:39
阅读次数：
143
Valid NumberValidate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the ...
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编程语言 时间：
2015-04-07 22:58:36
阅读次数：
248
LeetCode #Valid Palindrome#
我的Python解答:
"""
Programmer : EOF
e-mail : jasonleaster@gmail.com
Date : 2015.04.07
File : vp.py
"""
import string
...
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其他好文 时间：
2015-04-07 17:49:59
阅读次数：
99
Description
An anagram of a string is any string that can be formed using the same letters as the original. (We consider the original string an anagram of itself as well.) For example, the string...
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其他好文 时间：
2015-04-07 17:45:41
阅读次数：
114
Time Limit: 1 Sec Memory Limit:
128 MB
Submit: 162 Solved: 52
[Submit][Status][Web
Board]
Description
An anagram of a string is any string that can be formed using the same letters as the...
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其他好文 时间：
2015-04-07 15:42:17
阅读次数：
117
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.
Return all such possible sentences.
For example, given
s = "...
分类：
其他好文 时间：
2015-04-07 10:09:29
阅读次数：
91
