摘要:
求出所有线段的交点,然后利用叉乘求四边形面积即可。//// main.cpp// poj1408//// Created by 陈加寿 on 15/12/31.// Copyright (c) 2015年 chenhuan001. All rights reserved.//#include... 阅读全文
摘要:
精度比acos , asin 什么的高些。ParametersyValue representing the proportion of the y-coordinate.xValue representing the proportion of the x-coordinate.If both a... 阅读全文