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Challenge 1: An Array as a Subset of Another Array

Explore how to verify if one array is a subset of another by implementing an efficient algorithm using C#'s built-in HashSet class. Learn to apply hashing concepts to solve this problem without duplicates and enhance your coding skills for interviews.

Problem statement

Implement the isSubset(int[] arr1, int[] arr2, int size1, int size2) function, which will take two arrays and their sizes as input and check whether or not one array is the subset of the other. ...