2017年12月4日
【hdu3710】Battle over Cities【树链剖分+最小生成树】
摘要： Battle over CitiesDescriptionIt is vitally important to have all the cities connected by highways in a war, but some of them are destr... 阅读全文
posted @ 2017-12-04 22:16 一剑霜寒十四洲 阅读(135) 评论(0) 推荐(0) 编辑