Nikhil loves numbers

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Nikhil loves the numbers which are multiple of two. One day his friend Harshit got to know his interest in numbers which are multiple of two. So he decided to challenge his potential. He gave him a set of number having N number of elements where N is a multiple of two. He challenged Nikhil to re-arrange these numbers such that the first N/2 elements are in strictly increasing order where else the

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solution.cppC++17

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