12 2014 档案

#284 div.2 C.Crazy Town

摘要：C. Crazy TownCrazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix + biy + ci = 0, where ai and bi ... 阅读全文

posted @ 2014-12-27 16:24 LLGemini 阅读(184) 评论(0) 推荐(0)