Question 5

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Goku seen a dream where he consider himself as a twin. He calls a pairs of positive integers, a and b, twins if: They are both prime. A prime number is an integer greater than 1 that has no positive divisors other than 1 and itself. Their absolute difference is exactly equal to 2 (i.e.,|b-a|=2 ). Given an inclusive interval of integers from n to m, can you help Goku find the number of pairs of

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solution.cppC++17

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