C8-3 三角形还是长方形？(100.0/100 points)题目描述在多态概念中，基类的指针既可以指向基类的对象，又可以指向派生类的对象。我们可以使用dynamic_cast类型转换操作符来判断当前指针（必须是多态类型）是否能够转换成为某个目的类型的指针。同学们先查找dynamic_cast的使...
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编程语言 时间：
2015-05-21 22:14:00
阅读次数：
300
Given one point P0 on a 2-dimension space.There are n other points on the same space.Try to find K points which are most closed to P0.hint: Part ofQu....
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其他好文 时间：
2015-05-20 08:15:26
阅读次数：
138
Please see the correct annswer HERE You have set a break point in one of the classes. Just take off all the break points in your project and run again...
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移动开发 时间：
2015-05-18 16:36:32
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213
问题：There are n points in the plane. Your task is to pick k points (k>=2), and make the closest points in these k points as far as possible. 输入:For eac...
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其他好文 时间：
2015-05-17 16:31:44
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170
Multiplication Puzzle
Description
The multiplication puzzle is played with a row of cards, each containing a single positive integer. During the move player takes one card out of the row and scores the number of points equal to the product of the number o...
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其他好文 时间：
2015-05-17 12:18:43
阅读次数：
88
Little Petya likes points a lot. Recently his mom has presented him n points lying on the line OX.
Now Petya is wondering in how many ways he can choose three distinct points so that the distance be...
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其他好文 时间：
2015-05-16 16:33:10
阅读次数：
138
SIFT（Scale-invariant feature transform）是一种检測局部特征的算法，该算法通过求一幅图中的特征点（interest points,or corner points）及其有关scale 和 orientation 的描写叙述子得到特征并进行图像特征点匹配，获得了良好...
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其他好文 时间：
2015-05-15 10:27:06
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204
性能分析有一项是：发生OOM时，浏览对象分配和引用以发现和修复内存泄露；示例程序PointFactorypublic class PointFactory { protected ArrayList points = new ArrayList(); protected static P...
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其他好文 时间：
2015-05-12 10:48:27
阅读次数：
110
DescriptionGiven set of line segments [Li, Ri] with integer coordinates of their end points. Your task is to find the minimal subset of the given set ...
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其他好文 时间：
2015-05-11 17:28:27
阅读次数：
113
1303. Minimal CoverageGiven set of line segments [Li, Ri] with integer coordinates of their end points. Your task is to find the minimal s...
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其他好文 时间：
2015-05-07 00:29:02
阅读次数：
134
