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Re:我的code复杂读为N^2logN的，想问问怎样用hash~

Posted by liangzhirong at 2005-08-10 18:18:46 on Problem 2549
In Reply To:我的code复杂读为N^2logN的，想问问怎样用hash~ Posted by:liangzhirong at 2005-08-10 18:18:36 
> 我是二分查d-c，题目要求每个数用一次，这样怎么才能用hash加速呢？
> 我是用一个数组保存了a+b以及生成这个值的坐标~
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