weiwu
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comments of
weiwu
thanks,i have solved this problem with the method you proposed.
leetcode上是不是这题 [[LCR 164. 破解闯关密码](https://leetcode.cn/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof/)](https://leetcode.cn/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof/description/)