Chefu And Math Exam

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Chefu's exams are going on. Due to the pandemic, his school is still closed and all exams are being conducted online. Chefu and his friends have made an group on Signal app to discuss the questions during the exams, taking most of the benefit of this online exams system. Chefu is one of those students who attends all the classes and is every teachers' favorite. Today is Maths exam of Chefu and tea

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solution.cppC++17

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