//提示运行时间超过限制，估计是计算斜率和逐个判断导致超时，但是目前没有想到其他好的方法。 

//求大神解救~

class Solution {

public:

    int maxPoints(vector &points) {

        double k;

        double b;

        int max=0;

        for(int i=0; i

        {

            for(int j=i+1; j

            {

                k=(points.at(i).y-points.at(j).y)/(points.at(i).x-points.at(j).x);

                b=points.at(i).y-k*points.at(i).x;

                int count=0;

                for(int p=0; p

                {

                    if(points.at(p).y==k*points.at(p).x+b)

                        count++;

                }

                if(max

                    max=count;             

            }

        }

        return max;

    }

};