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Solution: Check if Arrays are Disjoint

Explore how to determine whether two arrays are disjoint by using a set to efficiently track elements from one array and checking for common values in the other. Understand the implementation in C++, along with its time complexity of O(m+n) and space complexity of O(n), where m and n are the sizes of the arrays. This lesson helps you grasp hash-based solutions to common array problems efficiently.

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Statement

Given two arrays, determine whether or not they are disjoint.

Note: Arrays are disjoint if they have no common element between them.

Constraints:

  • 11 \leq arr1.length, arr2.length 103\leq 10^3
  • 105-10^5 \leq
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