Guardian of Decency(二分图)
摘要:
Guardian of DecencyTime Limit:3000MSMemory Limit:0KB64bit IO Format:%lld & %lluSubmitStatusPracticeUVALive 3415DescriptionProblem H - Guardian of DecencyTime limit: 15 secondsFrank N. Stein is a very conservative high-school teacher. He wants to take some of his students on an excursion, but he 阅读全文
posted @ 2013-09-20 13:10 铁树银花 阅读(550) 评论(0) 推荐(0) 编辑