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PANalytical IntroductionAirborne silica par...
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其他好文 时间:
2014-05-27 01:51:46
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269
we are a professional stone crushing machinery
manufacturer in China. We primarily produce ring hammer crushers. Our hammer
crushers are widely to cru...
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其他好文 时间:
2014-05-23 06:56:39
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361
Problem Description
Alice and Bob always love to play games, so does this time.
It is their favorite stone-taken game.
However, this time they does not compete but co-operate to finish this tas...
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其他好文 时间:
2014-05-22 11:15:07
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242
The linear screen is a new kind of high
efficiency screening equipment which vibrates with a vibration motor. Our
company has introduced technology fr...
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其他好文 时间:
2014-05-19 10:36:28
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282
The Colorado,US-based miner is currently
discussing with the government to complete the process of securing an initial
export permit.stone crusher mac...
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其他好文 时间:
2014-05-13 21:51:31
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320
In the secondary crushing, we choose the PF1214
impact crusher whose capacity is 80-160 tph. During the stone crushing plant,
the impact crusher is su...
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其他好文 时间:
2014-05-10 01:03:54
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341
Poj-3922 A simple stone game
博弈,k倍动态减法详解...
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其他好文 时间:
2014-05-04 00:21:34
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296
ACM 计算几何 Lifting the Stone hdu1115 多边形重心模板...
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其他好文 时间:
2014-04-30 22:48:39
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211
这也是个有趣的问题,也很经典的游戏题目的变形了。
不过这道题扩展了成为无限大的数了。
类似的游戏有:没人可以拿掉桌面上的棋子,每次不能超过5个,最后没棋子可以拿的算输
解决这样的题目只能是寻找规律了,不能真的模拟区玩了,否则必定超时。
这道题目的规律就是:
1 如果给出的stone是3的倍数,那么先取者必输
2 如果给出的不是3的倍数,那么先取者就凑成3的倍数就必赢,因为凑3的倍数很容易,去掉1个或者2个必定可以凑出来了
所以最后问题就成了mod3问题了。
我是怎么想出来的?
我是一个列子一个例子去观察,...
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其他好文 时间:
2014-04-28 10:17:41
阅读次数:
324