Unfortunately, the only operation available for even numbers is to divide by two, so you wouldn't be able to multiply the first element 2 by two to get 4.
That makes the optimal result [2,5,4] or [2,5,2].
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shouldn't the 3rd example in the question be 1 ? as the array will be [4,5,4]
Unfortunately, the only operation available for even numbers is to divide by two, so you wouldn't be able to multiply the first element
2by two to get4.That makes the optimal result
[2,5,4]or[2,5,2].