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Re:终于找到陷阱了！哈哈！In Reply To:终于找到陷阱了！哈哈！ Posted by:ygx2468 at 2008-09-03 22:12:09 > 一直TLE，原来快拍在n组区间完全一样的时候退化了，超时！改成stl的sort就过了。嘿嘿
对于这种情况，一般在快排的时候可以随机选一下主元，但是OJ不容许time()类的函数，所以只要选择中间那个元素就可以了。
我就是这样AC的
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