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倒饿因为这个我也WA了好多次，大家注意拉~~~In Reply To:注意 当不连通时，输出为-1的情况。 Posted by:ldc_hust at 2008-04-28 12:57:09 > 注意： 当不连通时，输出为-1的情况以及重边（例：1 3 7 . 1 3 8 则1 3的代价为8） > 我就是没考虑这WA了两次！！！ Followed by:
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