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在大于等于三列的情况下可以把前面两列移好的。可以手工模拟。剩两行三列不是八数码的情况吗？In Reply To:Re:再把最后两行前几列移好，最后三列就对应八数码问题的最后两列。应该是这样吧。那应该算简单题啊。怎么这么少人做对。题目没说输出最少步数吧。 Posted by:Los_Angelos_Laycurse at 2014-07-27 00:33:25 > 用神马方法把最后两行的前几列移好？ 如果直接构造的话，比如先把第一列移好以后 > > 不能保证后面的有解(不移动前面一列的前提下)，因为逆序数的奇偶性可能改变 Followed by: Post your reply here: |
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