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：
2016-08-07 06:13:19
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183
Description You are given two words (each word consists of upper-case English letters). Try to delete some letters from each word so that the resultin ...
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其他好文 时间：
2016-08-04 09:04:39
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126
Remove Duplicate Letters I Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only on ...
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其他好文 时间：
2016-08-04 06:43:19
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174
Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assum ...
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其他好文 时间：
2016-08-04 01:35:28
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173
Question:
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...
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其他好文 时间：
2016-08-03 18:46:15
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118
Description Polycarp has quite recently learned about email aliases. Of course, he used to suspect that the case of the letters doesn't matter in emai ...
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其他好文 时间：
2016-08-03 15:05:44
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177
字符串操作符比较操作符：字符串大小按ASCLL码值大小进行比较切片操作符：[]、[:]、[::]成员关系操作符：in、notin脚本：判断用户输入的id是否符合要求#!/usr/bin/envpythonimportstring#定义字符的范围first_id=string.letters+"_"//确定首字符的范围all_id=string.digits+fir..
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编程语言 时间：
2016-07-23 21:23:10
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250
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间：
2016-07-23 01:57:48
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197
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间：
2016-07-21 00:50:37
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327
本文介绍Python序列中的字符串。
1. 字符串
字符串支持序列操作。
1.1 string模块预定义字符串
>>> import string
>>> string.ascii_letters
'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
>>> string.ascii_lowercase
'abcdefghijklmn...
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编程语言 时间：
2016-07-15 11:20:36
阅读次数：
272
