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但是经过路径压缩之后就肯定不是链了嘛，试过很多次了，效果不是很明显，有时候还慢了In Reply To:rank的启发式合并是按每个集合的元素数合并么？那样是为了搜索的效率，否则可能出现一条直链的情况 Posted by:sunmoonstar_love at 2005-07-17 17:44:00 Followed by:
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