Sequence
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Rohit is very fond of mathematics. He wishes to create a sequence of numbers. The nth number in the series f (n) denotes the number of occurrences of the number n in the series. The series has first 2 elements as 1 and 2. The sequence goes as follows: _N_ : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12... f(N) : 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6 ... Your aim is to provide the value of the function f
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solution.cppC++17
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