Divide Array Into Equal Pairs Problem

Divide Array Into Equal Pairs Problem — ExecCode Easy DSA Practice

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Problem description

Description You are given an integer array nums consisting of 2 n integers. Your task is to compute the required answer and return true if nums can be divided into n pairs, otherwise return false. You need to divide nums into n pairs such that: - Each element belongs to exactly one pair. - The elements present in a pair are equal.

Examples

Input {"nums": [3, 2, 3, 2, 2, 2]}; Output True. Input {"nums": [1, 2, 3, 4]}; Output False

Constraints

nums.length == 2 * n 1 <= n <= 500 1 <= nums[i] <= 500

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