Amazing Numbers

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Shubham is preparing for his mathmatics exams and he is unable to sove a question called amazing number. Shubham have to go out for a walk because he is studing for long time . As "Health is Wealth" therefore you must help shubham in getting his question solved. The question states:- Find the sum of the series to get answer to the amazing number 7+77+777+7777+... N terms. As the answer will be

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solution.cppC++17

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