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DIY: Monotonic Array

Explore how to identify whether an array is monotonic by implementing a function to check if it is entirely non-decreasing or non-increasing. Understand the concept of monotonic arrays and apply this knowledge to write clear, effective code for common interview problems in Go.

Problem statement

An array is monotonic if it is either monotone increasing or monotone decreasing.

An array, arr, is monotone increasing if arr[i] <= arr[i + 1] for every element at each index i ...