摘要：
You are given a connected weighted graph with n vertices and m edges. The graph doesn't contain loops nor multiple edges. Consider some edge with id i 阅读全文
posted @ 2017-11-05 10:20
阿波罗2003
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摘要：
Treeland is a country in which there are n towns connected by n - 1 two-way road such that it's possible to get from any town to any other town. In Tr 阅读全文
posted @ 2017-11-05 09:57
阿波罗2003
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