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Re:2079 请管理员添加三组数据@root

Posted by szwl at 2015-01-02 23:21:21 on Problem 2079
In Reply To:2079 请管理员添加三组数据 Posted by:Hoblovski at 2014-05-22 21:14:50
> 虽然蒟蒻还没AC,但是Discuss里面所有数据蒟蒻都过了
> 
> 6
> 4 -5
> 6 -2
> 5 2
> -4 5
> -6 2
> -5 -2
> -1
> 显然(4,-5),(5,2),(-6,2)构成了面积 38.50 的三角形.
> 
> 5
> 8 -3
> 8 -2
> -2 6
> -2 3
> 4 -2
> -1
> 显然(4,-2),(8,-2),(-2,6) 面积 16
> 
> 7
> -3 8
> -4 -10
> -8 -6
> -9 0
> -6 -10
> -9 3
> 0 -4
> -1
> 由叉积(-3,8),(-4,-10),(-9,3) 面积 51.50
> 
> 上面的数据基本卡掉了网上所有标程.规模很小,神牛们可以三秒写一个暴力来验证.
> 然后我还是没有AC 泣

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