Fantastic Twos
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Barles Cabbage is given the responsibility of looking after an important array of integers. Looking after stuff is really boring, so Barles decides to while away the time by performing a (small) task. He's obsessed with the number 2, so he defines a "fantastic integer" as an integer that can be expressed as the **_sum of exactly two powers of 2_**. Thus, he wants to count the number of fantastic i
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solution.cppC++17
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