http://www.cnblogs.com/mmidd/p/3804158.htmlIt is a good practice to use a Scene as the parent of all your nodes.Scene and Node are almost identical wi...
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其他好文 时间:
2014-11-19 18:14:57
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193
codeforces 498D Unbearable Controversy of Being (暴力乱搞)
题目大意:
定义下图为“damn rhombus”,给定一个有向图,求出有多少个“damn rhombus”。...
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其他好文 时间:
2014-11-19 16:05:27
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210
Passage 1.Woodpecker 惹treat or trickThere are many apple trees in a garden. They’re good friends. One day an old tree is ill. There are many pests in ...
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2014-11-19 15:52:27
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163
I was in the Kings Cross area of London this week and walked past the site for the proposed new Google headquarters that is being built in the area.? It‘s a fascinating building, not only because ...
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其他好文 时间:
2014-11-19 11:35:48
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209
Description
Good news for us: to release the financial pressure, the government started selling galaxies and we can buy them from now on! The first one who bought a galaxy was Tianming Yun and he g...
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其他好文 时间:
2014-11-19 11:11:04
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134
Description
Good news for us: to release the financial pressure, the government started selling galaxies and we can buy them from now on! The first one who bought a galaxy was Tianming Yun and he g...
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其他好文 时间:
2014-11-19 00:57:52
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166
图像边缘 —— 像素灰度值变换剧烈的点 You can easily notice that in an edge, the pixel intensity changes in a notorious way. A good way to expresschanges is by using de...
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其他好文 时间:
2014-11-19 00:08:24
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308
最好的边缘检测子 Canny algorithm aims to satisfy three main criteria: Low error rate: Meaning a good detection of only existent edges. Good localization: The ...
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其他好文 时间:
2014-11-19 00:02:06
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256
这道题我临场想到了枚举菱形的起点和终点,然后每次枚举起点指向的点,每个指向的点再枚举它指向的点看有没有能到终点的,有一条就把起点到终点的路径个数加1,最后ans+=C(路径总数,2)。每两个点都这么弄。但是我考虑时间复杂度n2前面的系数过大会超时,再想别的方法也没想出来。。其实思路就是这样的,只不过...
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其他好文 时间:
2014-11-18 23:36:36
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304
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total numb...
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其他好文 时间:
2014-11-17 19:29:21
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213