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Re:题目应该有错误吧

Posted by solmyr at 2008-09-04 14:20:20 on Problem 1922
In Reply To:题目应该有错误吧 Posted by:stephtan at 2008-08-10 17:02:09
没有问题,题目说的是遇到人就走,中途如果被追上了,就追着更快的人走

实际上的时间就是最早到的

同时,起始时间为负的不用管,因为他永远不可能“追上”查理

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