Petr Visits ISM

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Problem description. Once, The CSE department of ISM Dhanbad organizes a workshop on Competitive Programming. Guess what who is the guest of honor, Petr Mitrichev himself. On that occasion he gives a nice glimpse of how he started coding and got into Google. After he is done with his presentation, he asks the students to solve an Arithmetico-Geometric Series to check their skills. The A.G.P is a

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solution.cppC++17

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