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1<<15是比20000大的最小的2的n次幂，可是为什么可以开方呢？In Reply To:为什么BFS的时候状态范围可以控制在[sqrt(1<<15)][1<<15]呢？ Posted by:alpc04 at 2006-08-04 16:16:12 Followed by: Post your reply here: |
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