DescriptionThere is a right triangle with legs of lengthaandb. Your task is to determine whether it is possible to locate the triangle on the plane in...
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其他好文 时间：
2015-11-20 22:55:48
阅读次数：
162
Problem: given a tree, color nodes black as many as possible without coloring two adjacent nodes思路: 如果根节点r被标记为黑色，则其直接子节点不能被标记为黑色，如果不标记r，则其子节点可以标记为黑色，得...
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其他好文 时间：
2015-11-19 18:31:38
阅读次数：
175
我用的是ryu控制器，用Mininet作为网络系统平台。当启动控制器的时候如果提示：unsupported version 0x1. if possible, set the switch to use one of the versions[4].这个是由于Mininet中的虚拟交换机和ryu.....
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其他好文 时间：
2015-11-17 10:49:54
阅读次数：
438
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
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其他好文 时间：
2015-11-17 08:24:43
阅读次数：
199
1. TitleCombinations2. Http addresshttps://leetcode.com/problems/combinations/3. The questionGiven two integersnandk, return all possible combinations...
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其他好文 时间：
2015-11-16 21:07:20
阅读次数：
178
It was not possible to complete an automatic installation. This might be due to a problem with your network, proxy servers or an unsolvable installati...
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其他好文 时间：
2015-11-15 23:05:26
阅读次数：
253
Problem DescriptionYou are given a sequence of N integers.You should choose some numbers(at least one),and make the product of them as big as possible...
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其他好文 时间：
2015-11-12 16:00:58
阅读次数：
355
Given an n ? m chessboard with some marked squares, your task isto place as few queens as possible to guard (attack or occupy) allmarked squares. Belo...
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其他好文 时间：
2015-11-11 22:13:25
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223
Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are +, - and *.Example 1Input: "2...
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其他好文 时间：
2015-11-11 16:44:05
阅读次数：
195
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
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其他好文 时间：
2015-11-10 17:50:56
阅读次数：
243
