Hello everyone!↵
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Yesterday I read this problem ([https://a2oj.com/p?ID=3](https://a2oj.com/p?ID=3)), and after that, it showed to me that there is a waste of some information that the solver needs to solve it.↵
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But, surely, several unaccessible accepted submissions, made me incline to accuse my understanding.↵
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So I, gratefully, hope you to help me in this problem.↵
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After you read the problem statement, see this please:↵
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IsAre there, in the statement, expressions that describes the **whole** way to construct the _expansion_ string from the _poly-line_ ( _initial_ ) string?↵
I saw that there is not enough clear explanationonfor it. So, all of the ways are considered true, but according to the examples, not all of the ways to construct the expansion string are accepted!!.↵
Thanks in advance.
↵
Yesterday I read this problem ([https://a2oj.com/p?ID=3](https://a2oj.com/p?ID=3)), and after that, it showed to me that there is a waste of some information that the solver needs to solve it.↵
↵
But, surely, several unaccessible accepted submissions, made me incline to accuse my understanding.↵
↵
So I, gratefully, hope you to help me in this problem.↵
↵
After you read the problem statement, see this please:↵
↵
I saw that there is not enough clear explanation
Thanks in advance.