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Solution: Intersection of Two Arrays II

Explore how to solve the Intersection of Two Arrays II problem by building a frequency hash map. Learn to identify common elements with accurate counts and implement an efficient solution with optimal time and space complexity.

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Statement

Given two integer arrays nums1 and nums2, return an array representing their intersection. Each element in the result should appear exactly as many times as it appears in both arrays. The result may be returned in any order.

Constraints:

  • 1≤1 \leq nums1.length, nums2.length ≤1000\leq 1000 ...