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 st...
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其他好文 时间：
2015-01-08 22:51:58
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270
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. Fo...
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其他好文 时间：
2015-01-07 23:40:19
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305
http://codeforces.com/problemset/problem/19/C
Once Bob saw a string. It contained so many different letters, that the letters were marked by numbers, but at the same time each letter ...
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2015-01-07 23:36:29
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221
A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta...
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其他好文 时间：
2015-01-07 20:46:03
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151
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：
2015-01-06 15:03:38
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157
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：
2015-01-05 00:30:36
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186
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：
2015-01-05 00:18:13
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147
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：
2015-01-03 19:45:49
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134
Given a string which contains only letters. Sort it by lower case first and upper case second.NoteIt's not necessary to keep the original order of low...
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其他好文 时间：
2015-01-01 00:05:48
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313
今天开始，回溯法强化阶段。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, ...
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其他好文 时间：
2014-12-31 14:28:05
阅读次数：
211
