Given a 2D board and a word, find if the word
exists in the grid.The word can be constructed from letters of sequentially
adjacent cell, where "adjace...
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其他好文 时间：
2014-06-04 20:56:34
阅读次数：
343
【题目】
Given a 2D board and a word, find if the word exists in the grid.
The word can be constructed from letters of sequentially adjacent cell, where "adjacent" cells are those horizontally or vertically neighboring. The same letter cell may not be use...
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其他好文 时间：
2014-06-03 01:07:58
阅读次数：
329
【题目】
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total number of ways to decode it.
For example,
Given encoded ...
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其他好文 时间：
2014-06-01 08:59:37
阅读次数：
258
Given a string, find the length of the longest
substring without repeating characters. For example, the longest substring
without repeating letters fo...
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其他好文 时间：
2014-05-30 23:46:09
阅读次数：
453
Word SearchGiven a 2D board and a word, find if
the word exists in the grid.The word can be constructed from letters of
sequentially adjacent cell, wh...
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其他好文 时间：
2014-05-26 08:21:06
阅读次数：
310
判断二维字符串是否满足下面条件：
on both diagonals of the square paper all letters are the same;
all other squares of the paper (they are not on the diagonals) contain the same letter that is different from the...
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其他好文 时间：
2014-05-23 02:21:01
阅读次数：
294
【题目】
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone buttons) is given below.
Input:Digit string "23"
Output: ["ad", "ae", "af", "bd", "be", "bf",...
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其他好文 时间：
2014-05-18 07:30:12
阅读次数：
340
Given a string, find the length of the longest
substring without repeating characters. For example, the longest substring
without repeating letters fo...
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其他好文 时间：
2014-05-15 17:50:38
阅读次数：
298
【题目】
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest substring is "b", with the len...
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其他好文 时间：
2014-05-15 14:40:14
阅读次数：
320
#!/usr/bin/envpython#coding:utf8#随机生成自定义长度密码fromrandomimportchoiceimportstring,pickledefGenPassword(length=8,chars=string.ascii_letters+string.digits):return‘‘.join([choice(chars)foriinrange(length)])defpasslist(r_user,c_user,ip_list,web_list):di..
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编程语言 时间：
2014-05-13 01:25:56
阅读次数：
505
