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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:先判断有没有解，可以用逆序对来判断。 Posted by:yygy at 2014-07-26 22:10:16 Followed by:
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