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DIY: Monotonic Array

Explore how to identify monotonic arrays by learning to implement a function that checks if an array is monotone increasing or decreasing. This lesson helps you build problem-solving skills needed to recognize monotonic data patterns in coding interviews.

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. ...