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posted @ 2016-08-02 18:07
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Description Building and maintaining roads among communities in the far North is an expensive business. With this in mind, the roads are build such th 阅读全文
posted @ 2016-08-02 17:55
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Description After hearing about the epidemic of obesity in the USA, Farmer John wants his cows to get more exercise, so he has committed to create a b 阅读全文
posted @ 2016-08-02 17:28
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题目链接，密码：hpu Description Given a tree (a connected graph with no cycles), you have to find the farthest nodes in the tree. The edges of the tree are we 阅读全文
posted @ 2016-08-02 16:12
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Description Bessie has been hired to build a cheap internet network among Farmer John's N (2 <= N <= 1,000) barns that are conveniently numbered 1..N. 阅读全文
posted @ 2016-08-02 10:49
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Description One day, Lin Ji wake up in the morning and found that his pethamster escaped. He searched in the room but didn’t find the hamster. He trie 阅读全文
posted @ 2016-08-02 08:34
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