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用滚动数组不仅可以节省内存,也可以显著地提高运行速度

Posted by blablabla at 2006-02-13 17:06:34 on Problem 1159
我想这和cache大小有关。这道题如果开一个5000*5000/2的数组,不会超内存,但是会超时!

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