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冷知识:你知道每个视窗都有的 [x] 是怎麽来的吗?
我们已经很习惯视窗右上角的 [x],也知道它的作用就是关闭视窗。但 [x] 并非与生俱来,非常有探究事物本源精神的 Lauren Archer 于 Medium 发表了〈x to close〉,带领读者一同乘坐时光机,探索 [x] 的历史。看著一张张过去的 Windows、Mac 作业系统截图,彷彿上了一堂科技史。 我们在电脑的操作介面上都会看到 X 。X 是一个强大的符号,[x] 可以...
分类:其他好文   时间:2015-08-09 17:17:38    阅读次数:158
(medium)LeetCode 207.Course Schedule
There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have to firs...
分类:其他好文   时间:2015-08-09 15:27:51    阅读次数:186
(medium)LeetCode 220.Contains Duplicate III
Given an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennums[i]andnums[j]is at mo...
分类:其他好文   时间:2015-08-09 14:00:09    阅读次数:145
(medium)LeetCode 221.Maximal Square
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.For example, given the following matr...
分类:其他好文   时间:2015-08-08 14:52:24    阅读次数:102
[LeetCode] 039. Combination Sum (Medium) (C++)
[LeetCode] 039. Combination Sum (Medium) (C++)...
分类:编程语言   时间:2015-08-08 09:14:11    阅读次数:132
[leetcode] 040. Combination Sum II (Medium) (C++)
[leetcode] 040. Combination Sum II (Medium) (C++)...
分类:编程语言   时间:2015-08-08 09:10:53    阅读次数:111
(medium)LeetCode 224.Basic Calculator
Implement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), the plus+or minus...
分类:其他好文   时间:2015-08-07 19:12:20    阅读次数:206
(medium)LeetCode 222.Count Complete Tree Nodes
Given acompletebinary tree, count the number of nodes.Definition of a complete binary tree fromWikipedia:In a complete binary tree every level, except...
分类:其他好文   时间:2015-08-07 19:00:01    阅读次数:139
(medium)LeetCode 229.Majority Element II
Given an integer array of sizen, find all elements that appear more than? n/3 ?times. The algorithm should run in linear time and in O(1) space.解法:参考编...
分类:其他好文   时间:2015-08-06 23:52:02    阅读次数:201
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