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From ab to ba (Posted on 2019-01-17) |
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Given a string of 2 letters ab, your task is to convert it into ba.
You are allowed to add either aa or bb on either side of a current string or into the string, like ab=>abaa=>abbb=>aaabbb=>aaabaabb. You are also allowed to erase either aa or bb any place like aaabbb=>abbb. Is it possible? If so, how?
No Solution Yet
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Submitted by Ady TZIDON
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Rating: 3.0000 (1 votes)
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