Challenge: Find the Floor and Ceil of a Number in a Sorted Array

Find the floor and ceiling of a number from a sorted pool of numbers.

We'll cover the following

Floor functions

A floor function takes a real number xx and returns the greatest integer less than or equal to xx.

For example:

floor(x)=⌊x⌋floor(x) = \lfloor x \rfloor

floor(7.5)=⌊7.5⌋=7floor(7.5) = \lfloor 7.5 \rfloor = 7

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