Irrational numbers are involved in the problem, but not in the the size of the input, which is a list of natural numbers. There are a number of reasonable ways

Irrational numbers are involved in the problem, but not in the the size of the input, which is a list of natural numbers. There are a number of reasonable ways to encode such a list but they'll all scale in more or less the same way and be equivalent when looking at big O notation.