摘要：
Given n points on a 2D plane, find the maximum number of points that lie on the same straight line.思路：这道题主要是找出重叠结点和相同斜率之和。此时我们要判断有斜率和无斜率个数，并判断那个数量比较大，... 阅读全文
摘要：
Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the problem stat... 阅读全文