摘要：
游河Time Limit: 1000 MSMemory Limit: 65535 KTotal Submit: 71(14 users)Total Accepted: 41(14 users)Special Judge: NoDescription 假期，Hrbust集训队在Tang长老的带领下去河上坐船游玩。 但是很多队员想单独坐船游览风光，体验一个人的旅行。 但是教主说那样会很危险，而且似乎也没那么多的旅行路线。可是队员们还是坚持自己的想法，于是教主提了个要求：如果游览的路线足够一人一条，而且每条路线没有重复的水路的话，就同意大家的做法，不然，Tang长老就请大家集体吃冰棍，一起坐船去。集 阅读全文
摘要：
PIGSTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 12372Accepted: 5476DescriptionMirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come to the farm one after another. Each of them has keys 阅读全文