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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。In Reply To: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:yygy at 2014-07-26 23:16:23 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:
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