Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concate ...
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其他好文 时间:
2017-05-04 21:53:48
阅读次数:
186
Substring with Concatenation of All Words You are given a string, s, and a list of words, words, that are all of the same length. Find all starting in ...
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其他好文 时间:
2017-05-01 12:50:12
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146
题目: You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a c ...
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编程语言 时间:
2017-04-29 17:34:03
阅读次数:
240
题目链接: https://leetcode.com/problems/substring-with-concatenation-of-all-words/?tab=Description 在字符串s中找到包含字符串数组words所有子串连续组合的起始下标(words中的子串排列顺序前后不计但是需要 ...
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其他好文 时间:
2017-03-10 17:45:24
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151
在pandas里面,另一种数据何必运算也被称为连接(concatenation)、绑定(binding)或堆叠(stacking)。 Numpy的轴向连接, concatenation Numpy有一个用于合并原始Numpy数组的concatenation函数: pandas --Series--c ...
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其他好文 时间:
2017-03-06 14:13:02
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1362
主要思路是: 1. 将words中的每个单词看作一个单元,每个单元长度是c,则s可以切成c个list,每个list是由c个字符组成的单元组。 2. 维护长度为words.size()的滑块,计算每个滑块内是否正好由words中所有单词组成。 3. 将移动滑块的操作优化到O(1) 或 O(logN) ...
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其他好文 时间:
2017-03-03 01:09:19
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145
You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca... ...
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其他好文 时间:
2017-01-24 13:39:56
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264
题目描述: Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of c ...
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其他好文 时间:
2017-01-17 16:12:13
阅读次数:
223
You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca ...
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其他好文 时间:
2017-01-14 11:17:22
阅读次数:
152
Substring with Concatenation of All Words 寻找所有词连接的子串 思路:由于该字串是所有词典中的词连接的,所以该字串长度固定。因此本题可以看作一个滑动窗口的题。为了去除重复工作,每次滑动一个单词的长度,因此起始位置就有n种(n为单词长度)。每种起始位置的滑动策 ...
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编程语言 时间:
2016-11-08 00:48:54
阅读次数:
376