2017年7月25日
【POJ2387】Til the Cows Come Home （最短路）
摘要： 题面 Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. 阅读全文
posted @ 2017-07-25 23:26 小蒟蒻yyb 阅读(239) 评论(1) 推荐(0)