2018年7月18日
poj 1127 -- Jack Straws（计算几何判断两线段相交 + 并查集）
摘要： Jack Straws In the game of Jack Straws, a number of plastic or wooden "straws" are dumped on the table and players try to remove them one-by-one witho 阅读全文
posted @ 2018-07-18 21:43 Tangent_1231 阅读(245) 评论(0) 推荐(0) 编辑