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你看错题了吧……没有选不选的问题,所有的钥匙已开始就都有了

Posted by frkstyc at 2006-01-11 20:19:29 on Problem 2723
In Reply To:弱弱的问一下,为什么样例输出是4,如果选0,2,4的话不是可以打开5把锁吗? Posted by:zerocool_08 at 2006-01-11 20:05:25


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