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题目: 题目链接: http://poj.org/problem?id=2421 Constructing Roads Description There are N villages, which are numbered from 1 to N, and you should build som 阅读全文
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题目: 题目链接: http://poj.org/problem?id=3026 Borg Maze Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of 阅读全文
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题目链接:http://poj.org/problem?id=1251 题目: Jungle Roads Description The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign 阅读全文