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Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and 阅读全文
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There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) on every floor.The lift have just two 阅读全文
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There is an interesting calculator. It has 3 rows of buttons. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end of 阅读全文
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The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of 阅读全文
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4月16日,日本熊本地区强震后,受灾严重的阿苏市一养猪场倒塌,幸运的是,猪圈里很多头猪依然坚强存活。当地15名消防员耗时一天解救围困的“猪坚强”。不过与在废墟中靠吃木炭饮雨水存活36天的中国汶川“猪坚强”相比,熊本的猪可没那么幸运,因为它们最终还是没能逃过被送往屠宰场的命运。 我们假设“猪坚强”被困 阅读全文
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ACM小组的Samsara和Staginner对中国象棋特别感兴趣,尤其对马(可能是因为这个棋子的走法比较多吧)的使用进行深入研究。今天他们又在 构思一个古怪的棋局:假如Samsara只有一个马了,而Staginner又只剩下一个将,两个棋子都在棋盘的一边,马不能出这一半棋盘的范围,另外这 一半棋盘 阅读全文
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The Enterprise is surrounded by Klingons! Find the escape route that has the quickest exit time, and print that time. Input is a rectangular grid; eac 阅读全文