Question: Code the following in C++ An integer X is cool if it has a primitive root modulo X. The coolness of a non-empty set of N distinct integers S = {x1, x2, ... the number of cool divisors of *i. You are given four integers L, R, A and B. Let S be the set containing al integers between L and R (inclusive). Consider all non-empty subsets of size between A and B (inclusive). Find the sum of values of coolness of a subsets. Since this sum can be huge, compute it modulo 998, 244, 353.

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