Mr Robot

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In our virtual land, there's a company named evil corp and a character named Mr Robot. He is planning to take the evil corp down. He planned to do so by hacking their servers and destroying their data. In order to pull off the hack, he needs the key but the key is hidden in a string S. Help him get the key. You are given a string S of length N consisting of lowercase letters. The key is mad

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solution.cppC++17

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