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 ...
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编程语言 时间：
2015-01-17 18:10:44
阅读次数：
251
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
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其他好文 时间：
2015-01-15 18:08:11
阅读次数：
108
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 ver...
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编程语言 时间：
2015-01-15 16:14:27
阅读次数：
301
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 nu...
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编程语言 时间：
2015-01-13 21:33:22
阅读次数：
269
Problem Description Now you are back,and have a task to do: Given you a string s consist of lower-case English letters only,denote f(s) as the nu...
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其他好文 时间：
2015-01-12 23:44:24
阅读次数：
272
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：
2015-01-11 22:58:44
阅读次数：
223
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:D...
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编程语言 时间：
2015-01-11 14:56:20
阅读次数：
236
8222. SubstringsProblem code: NSUBSTRYou are given a string S which consists of 250000 lowercase latin letters at most. We define F(x) as the maximal ...
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其他好文 时间：
2015-01-10 20:57:29
阅读次数：
263
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：
2015-01-09 22:05:32
阅读次数：
287
题目：（Backtrancing）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 ce...
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其他好文 时间：
2015-01-08 23:58:14
阅读次数：
376
