2017年7月20日
Soldier and Badges （集合）
摘要： Colonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's owner reached 阅读全文
posted @ 2017-07-20 19:21 Edee 阅读(191) 评论(0) 推荐(0)
Rails （栈）
摘要： There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were 阅读全文
posted @ 2017-07-20 16:50 Edee 阅读(202) 评论(0) 推荐(0)