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看不懂题意的看看这里

Posted by Ckiddo at 2020-03-22 14:37:03 on Problem 3050
In Reply To:为什么看不懂题意…… Posted by:rayafjyblue at 2012-01-13 15:52:30
在5*5的格子里,填充着各种个位数,现在可以从任意点出发,上下左右移动,可以重复走过的点,每次只能走5步。问经过的格子中组成的6位数(允许有前导零的存在)有多少种?

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