2014年12月27日

#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(185) 评论(0) 推荐(0)