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Re:本来就不可能,答案规模完全可以是O(n+m)

Posted by crazyb0y at 2008-10-23 18:55:13
In Reply To:Re:本来就不可能,答案规模完全可以是O(n+m) Posted by:zyl072 at 2008-10-23 18:52:33
wy的意思应该是n和m相同的时候,答案也是n,m时候,你判断两两相等也要O(n+m)的!!
P.S. 此题没有深入讨论的必要吧

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