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这个题我直接DFS求连通分量，对每个连通分量，分别求总量，然后按度的百分比分配最终量，就搞定了,消元，迭代是怎么做？In Reply To:可能不都联通，这样方程可能就是奇异的了 Posted by:kicc at 2005-09-04 23:13:38 > 很多牛队就是没有想到这个，用消元的方法，结果比赛的时候错了无数次 Followed by: Post your reply here: |
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