Evanyou Blog 彩带
2018年4月15日
P2874 [USACO07FEB]新牛棚Building A New Barn
摘要： 题目描述 After scrimping and saving for years, Farmer John has decided to build a new barn. He wants the barn to be highly accessible, and he knows the co 阅读全文
posted @ 2018-04-15 19:48 five20 阅读(300) 评论(0) 推荐(0)
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