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Problem description: Rachel has left a note for Mike. This note may be stashed somewhere in all the documents that Mike has. Mike knows that the length of the note would be minimum len characters long. Also, it should be present in one location itself, i.e. it isn't divided into chunks. You are given a string s, denoting all the stashed up documents that Mike has. The note is naturally just a s

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solution.cppC++17

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