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这个思路有点想不出来....有谁能证明一下不??

Posted by crackerwang at 2007-10-15 22:52:02 on Problem 2965
In Reply To:直接生成结果。但还是需要30MS. Posted by:huicpc39 at 2006-08-23 07:50:27 
> 开一个4X4的Bool数组，开始全为false.
> 如果输入(i,j)处有"+"，将该行该列取反。
> 最后有多少true就是最少步数。输出为true的坐标就是步骤。
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