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0*0什么都不放就满了,2*2什么都不放又没满...

Posted by wth at 2005-07-29 09:58:08 on Problem 2506
In Reply To:Re:什么都不放,怎么可以算一种?!那你算N==2时怎么不算上什么都不放的那种情况啊? Posted by:tq at 2005-07-29 08:38:20


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