Solution: Check if Arrays are Disjoint

Statement

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

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

Constraints:

• $1 \leq$ arr1.length, arr2.length $\leq 10^3$
• $-10^5 \leq$ arr[i] $\leq 10^5$

Solution