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bubt大神的代码咋就过得了啊？我用vector建树的就tle无数次，即使扔G++也是。下面是我网上看的为什么超时

Posted by liuyu523115237 at 2011-08-03 14:05:26 on Problem 3159 and last updated at 2011-08-03 14:25:47
In Reply To:汗。。。真的用队列过不了。。。栈才能过。。而且还不是返回tle。。是wa。。。 Posted by:200731000904 at 2009-04-27 18:45:57 
队列的初始容量为44那样，当大于这以后就扩大一倍（即使只大1）并把原来的数据全部复制过来。所以当数非常大的话就复制很多次就tle了。所以要在开始时就通过控制参数为他指定一个容量。
如果哪位大侠知道怎么弄就好了，以后 spfa + 各种优化都没用了
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