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Re:提供水数据。。。

Posted by ka200812 at 2012-05-28 10:23:08 on Problem 3463
In Reply To:提供水数据。。。 Posted by:squarefk at 2012-01-26 01:35:08
M lines, each with three integers A, B and L, separated by single spaces, with 1 ≤ A, B ≤ N, A ≠ B and 1 ≤ L ≤ 1,000, describing a road from city A to city B with length L.

A!=B    YOU SEE??

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