James Pan

原题网址：https://leetcode.com/problems/max-points-on-a-line/Given n points on a 2D plane, find the maximum number of points that lie on the same straight line.方法一：逐点比较斜率。/** * Definition for a

原题网址：https://leetcode.com/problems/self-crossing/You are given an array x of n positive numbers. You start at point (0,0) and moves x[0] metres to the north, then x[1] metres to the west, x[

原题网址：https://leetcode.com/problems/line-reflection/Given n points on a 2D plane, find if there is such a line parallel to y-axis that reflect the given set of points.Example 1:Given po

原题网址：https://leetcode.com/problems/convex-polygon/Given a list of points that form a polygon when joined sequentially, find if this polygon is convex (Convex polygon definition).Note:T