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Re:wa了N次,最后发现延迟标记mark要初始化为1.....有没有大神能不能讲解一下为什么

Posted by xiazeyu at 2018-08-22 22:26:54 on Problem 2777
In Reply To:wa了N次,最后发现延迟标记mark要初始化为1.....有没有大神能不能讲解一下为什么 Posted by:Just836 at 2017-07-15 18:24:43
题目要求:
At the beginning, the board was painted in color 1.

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