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Re:我还是不懂。。为啥只要限制总的翻转次数在1~16就可以判断出是否可以翻成全白或者全黑呢！为什么呢！！

Posted by Star_m6 at 2016-11-12 15:22:10 on Problem 1753
In Reply To:我还是不懂。。为啥只要限制总的翻转次数在1~16就可以判断出是否可以翻成全白或者全黑呢！为什么呢！！ Posted by:Saleed at 2016-09-21 21:12:24 
比如说搜完了第一行和第二行
如果第一行的格子还有不满足要求的，就可以return
所以只枚举第一行的方式（2^4种）
由此，第二行要想满足要求，第三行的操作方式就确定了。
一直到最后一行都可以确定
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