Rebranding Problem Description The name of one small but proud corporation consists of n lowercase English letters. The Corporation has decided to try ...
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其他好文 时间：
2017-03-09 22:58:06
阅读次数：
420
Given a 2D board and a list of words from the dictionary, find all words in the board. Each word must be constructed from letters of sequentially adja ...
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其他好文 时间：
2017-03-07 22:51:51
阅读次数：
225
Design a data structure that supports the following two operations: search(word) can search a literal word or a regular expression string containing o ...
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其他好文 时间：
2017-03-07 20:53:22
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185
A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t ...
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其他好文 时间：
2017-03-03 01:36:42
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170
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the ...
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其他好文 时间：
2017-03-01 14:05:02
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199
D. String Game Little Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it turns out to be pretty hard for h ...
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其他好文 时间：
2017-02-27 20:39:44
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543
Description Little Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it turns out to be pretty hard for her, ...
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其他好文 时间：
2017-02-27 01:14:31
阅读次数：
314
https://leetcode.com/problems/remove-duplicate-letters/?tab=Description 看了Discuss的解答。是用了递归，先找出第一个字符，然后去掉这个字符并且递归。 但是如果只有26个字母，其实是不是可以这样。 先遍历一遍，看到各个字母出 ...
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其他好文 时间：
2017-02-24 19:36:12
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256
Python 位操作: 按位与 &, 按位或 | 体会不到 按位异或 ^ 左移 << 右移 >> 取反 ~ 1. Single Number Given an array of integers, every element appears twice except for one. Find th ...
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编程语言 时间：
2017-02-23 00:35:42
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234
In order to teach her young calvess the order of the letters in the alphabet, Bessie has come up with a game to play with them. The calves are given a ...
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其他好文 时间：
2017-02-21 20:51:52
阅读次数：
240
