2018年4月26日
摘要：
Vertex Cover frog has a graph with nn vertices v(1),v(2),…,v(n)v(1),v(2),…,v(n) and mm edges (v(a1),v(b1)),(v(a2),v(b2)),…,(v(am),v(bm))(v(a1),v(b1)), 阅读全文
posted @ 2018-04-26 21:59
蔡军帅
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Vertex Coverfrog has a graph with nn vertices v(1),v(2),…,v(n)v(1),v(2),…,v(n) and mm edges (v(a1),v(b... 阅读全文
posted @ 2018-04-26 21:59
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TravelThe country frog lives in has nn towns which are conveniently numbered by 1,2,…,n1,2,…,n.Among n... 阅读全文
posted @ 2018-04-26 21:32
蔡军帅
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Travel The country frog lives in has nn towns which are conveniently numbered by 1,2,…,n1,2,…,n. Among n(n−1)2n(n−1)2 pairs of towns, mm of them are c 阅读全文
posted @ 2018-04-26 21:32
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Rectangle frog has a piece of paper divided into nn rows and mm columns. Today, she would like to draw a rectangle whose perimeter is not greater than 阅读全文
posted @ 2018-04-26 21:27
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Rectanglefrog has a piece of paper divided into nn rows and mm columns. Today, she would like to draw ... 阅读全文
posted @ 2018-04-26 21:27
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Censor frog is now a editor to censor so-called sensitive words (敏感词). She has a long text pp. Her job is relatively simple -- just to find the first 阅读全文
posted @ 2018-04-26 21:18
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Censorfrog is now a editor to censor so-called sensitive words (敏感词).She has a long text pp. Her job i... 阅读全文
posted @ 2018-04-26 21:18
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