[GodLove]Wine93 Tarining Round #9

比赛链接: http://vjudge.net/contest/view.action?cid=48069#overview

题目来源: lrj训练指南---二维几何计算

	ID	Title
	Problem A	Morley's Theorem   (向量夹角+向量旋转+两直线交点)
	Problem B	That Nice Euler Circuit  (欧拉定理 F = E + 2 - V, 求直线相交+ 判断点是否在直线上)
	Problem C	Dog Distance   (好题, 得补~ 求最短距离一直存在误区)
	Problem D	2D Geometry 110 in 1!    (三角形外接圆,内接圆+与圆相关题.....)
	Problem E	Viva Confetti
	Problem F	Fishnet   (简单题!枚举边, 两直线求交点+叉积求面积)
	Problem G	Sweet Dream
	Problem H	Fighting Against a Polygonal Monster  (求圆与多边形面积交! 一直wa, 不知道错哪)
	Problem I	Fukushima Nuclear Blast
	Problem J	Hills