Online Judge | Problem Set | Authors | Online Contests | User | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Web Board Home Page F.A.Qs Statistical Charts | Current Contest Past Contests Scheduled Contests Award Contest |
大家看看我的算法哪里错了,提了N次都是wrong answerIn Reply To:Re:先按半径把不符合要求的点kick掉,然后算出每个点到圆心的向量角,枚举每个点所在的直径,统计一下次数,然后取最大值, 有什么陷阱么? Posted by:tengshengbo at 2005-07-22 22:34:56 先排除不在圆里的,也就是只储存在圆里的点。覆盖最多的半圆肯定是边界在一个点上面,于是就用一个点和圆心的直线作为方程,将每个点代进去算,大于等于零在左半边圆,小于等于零在右半边圆,然后在每一个点用以上算法循环。。统计最大值,这好象没地方错吧。。 Followed by:
Post your reply here: |
All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator