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结点数为n,有sum(num[i]*num[n-i-1]) (0<=i<=n-1)种树的形态.

Posted by zhaokkk27 at 2007-09-13 14:29:09 on Problem 1095
In Reply To:预先把各个节点所能形成的树的个数放到一个数组里 Posted by:yogafrank at 2007-07-30 10:01:55


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