Good String

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Problem description. Siddharth was once browsing through the website of NIT Rourkela (Nitrkl). He was frustrated those days as he was not getting any idea to make questions for CodeNigma. Suddenly seeing the "rkl", an idea struck his mind. The idea goes like this: There is a special string of length N which is composed of letters "r", "k" and "l" only. He listed out all the possible strings of l

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solution.cppC++17

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