2018年1月7日
CEOI 2004 Trial session Problem. Journey DFS
摘要： PROBLEM http://www.oi.edu.pl/old/ceoi2004/problems/jou.pdf 分析 这题属于需要一些思考的题目。对于这道题目，我们要了解到这个图其实就是一棵树。如何想到这是树？题目中又这样几句话： There are n cities in Byteland. 阅读全文
posted @ 2018-01-07 13:57 OptimusPrime_L 阅读(285) 评论(1) 推荐(0)
USACO 2015 January Contest, Silver Problem 2. Cow Routing Dijkstra
摘要： PROBLEM Tired of the cold winter weather on her farm, Bessie the cow plans to fly to a warmer destination for vacation. Unfortunately, she discovers t 阅读全文
posted @ 2018-01-07 13:31 OptimusPrime_L 阅读(498) 评论(0) 推荐(0)