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Problem DescriptionIgnatius再次被魔王抓走了(搞不懂他咋这么讨魔王喜欢)……这次魔王汲取了上次的教训,把Ignatius关在一个n*m的地牢里,并在地牢的某些地方安装了带锁的门,钥匙藏在地牢另外的某些地方。刚开始Ignatius被关在(sx,sy)的位置,离开地牢的门在(e... 阅读全文
posted @ 2015-09-09 21:29
UniqueColor
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Problem DescriptionThe Czech Technical University is rather old — you already know that it celebrates 300 years of its existence in 2007. Some of the ... 阅读全文
posted @ 2015-09-09 20:22
UniqueColor
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DescriptionIvan is fond of collecting. Unlike other people who collect post stamps, coins or other material stuff, he collects software bugs. When Iva... 阅读全文
posted @ 2015-09-09 13:40
UniqueColor
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