leaflet

2019-04-03

[APIO2018] Circle selection 选圆圈(假题解)

题面nn自己去LOJLOJLOJ上找nnSolnn直接排序然后KDTreeKDTreeKDTree查询 n然后发现TLETLETLE了nn然后把点旋转一下，就过了。。nn# include n# define IL inlinen# define RG registern# define Fill(a, b) memset(a, b, sizeof(a))…