Data Structures exam

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You are provided with the marks of entire class in Data structures exam out of 100. You need to calculate the number of students having backlog (passing marks is >=31) and the average of the class. But this average is not a normal average, for this average marks of students having backlog are not considered but they will be considered in number of students. Also print the index of topper’s marks a

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solution.cppC++17

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