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Re:线段树的大小为多大？

Posted by LancerX at 2008-03-11 17:53:56 on Problem 2352
In Reply To:线段树的大小为多大？ Posted by:thincal at 2007-09-14 12:34:56 
> 谢迪的解题报告中用线段树的F数组，为什么定义为 3 倍的 X ？不是n个叶子节点的总结点数为2n么？
> const int MAXX = 32000;	//最大范围
> int f[(MAXX + 1) * 3]; //f值
我也很纳闷用2倍开数组一直RTE，不断改int f[MAX*2 + n]的那个n值，都不顶用，索性改*3，就过了...
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