Yash And His Students

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Acro Coding Club had conducted a workshop for logic devolopment in the department. Now Prof. Yash Jain wants to test the students' understanding about the concepts he taught. The Problem is : Let f(n) be a function as sum of all odd divisors of n.For eg. f(10) = 1 + 5 = 6 and f(21) = 1 + 3 + 7 + 21 = 32.The problem is to calculate f(l) + f(l + 1) + ..... + f(r - 1) + f(r) for given integers l &

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solution.cppC++17

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