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嗯,是的

Posted by xiangsanzi at 2006-09-17 18:38:54 on Problem 3000
In Reply To:Note that the frog can jump over an adjacent approaching car in the same lane as itself. Posted by:sasnzy at 2006-09-12 19:15:24
> 这句话什么意思? 青蛙可以跳过同一行的一辆车? F-X-O(假设车向左移动) 跳完以后是X-F-O? 

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