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17. Letter Combinations of a Phone Number
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 ...
分类:其他好文   时间:2017-07-18 22:09:27    阅读次数:185
[LeetCode][Java] Letter Combinations of a Phone Number
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 tel ...
分类:编程语言   时间:2017-07-18 20:11:36    阅读次数:123
Lintcode 49 Sort Letters by Case
Given a string which contains only letters. Sort it by lower case first and upper case second. Notice It's NOT necessary to keep the original order of ...
分类:其他好文   时间:2017-07-17 15:19:57    阅读次数:216
Learn Python 012: for loop
# 1 vowels = 0 consonants = 0 for letter in 'supercalifragilisticexpialidocious': if letter.lower() in 'aeiou': vowels = vowels + 1 elif letter == ' '... ...
分类:编程语言   时间:2017-07-16 18:24:43    阅读次数:149
409. Longest Palindrome
Map.Entry<> entry : map.entrySet() ...
分类:其他好文   时间:2017-07-15 12:46:39    阅读次数:90
linux 基本bash命令
linux基本bash命令提示符#:代表当前为root用户$:代表当前为普通用户hostname:查询当前主机名uname:显示当前系统ctrl + c:停止当前命令ctrl + p:复制上一条命令(或者利用方向键的↑来重复之前的命令)!!:重复执行前一个命令history:查看所有使用过的命令cl ...
分类:系统相关   时间:2017-07-15 11:25:19    阅读次数:340
316. Remove Duplicate Letters
Given a string which contains only lowercase letters, remove duplicate letters so that every letter appear once and only once. You must make sure your ...
分类:其他好文   时间:2017-07-14 13:15:31    阅读次数:195
Code Labels
Code Labels Code labels are three-letter codes with which commit messages can be prefixed. CODE Label color name background text BLD: build light gree ...
分类:其他好文   时间:2017-07-13 17:41:48    阅读次数:186
CSS选择器
元素选择器 也是类型选择器 html {color:black;} h1 {color:blue;} h2 {color:silver;} 选择器分组 h2, p {color:gray;} 通配符选择器 * {color:red;} CSS 类选择器 <h1 class="important">h ...
分类:Web程序   时间:2017-07-13 16:09:14    阅读次数:181
127. Word Ladder
https://leetcode.com/problems/word-ladder/#/description Given two words (beginWord and endWord), and a dictionary's word list, find the length of shor ...
分类:其他好文   时间:2017-07-12 17:44:57    阅读次数:106
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