Shifu and Strings

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Master Shifu has to teach Po - the chosen dragon warrior, the art of Kung Fu. Po is very irritating, and Master Shifu does not want to teach him, but he has to, because Grand Master Oogway, Master Shifu's mentor, has told him to. So Shifu decides to give Panda a difficult task so that Shifu can rest while he is busy with the task. Master Shifu gives Po a string of length N, consisting of all lowe

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solution.cppC++17

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