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Re:这个题好象一定只能是有向边In Reply To:这个题好象一定只能是有向边 Posted by:qrmajia at 2010-04-27 19:38:54 > 如果是无向边的话，根本就无法确定谁是谁的儿子，那么也就根本就无法计算结果 > 如果有无向边连A，B，查询A的时候到底要不要加B上的呢？？？？ 有根树 边有向无向无所谓的 Followed by: Post your reply here: |
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