2018年2月5日
USACO 2015 Meeting time BFS+最优剪枝
摘要： 题目 题目描述 Bessie and her sister Elsie want to travel from the barn to their favorite field, such that they leave at exactly the same time from the barn, 阅读全文
posted @ 2018-02-05 22:48 OptimusPrime_L 阅读(332) 评论(0) 推荐(0) 编辑