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Closest Equal Element Queries

medium Solve on LeetCodeLast edited: April 16, 2026

Problem
Examples
Example 1
Example 2
Constraints
Solution
Method 1 – Hash Table + Binary Search
Intuition
Approach
Code
Complexity
Method 2 – Preprocessing Nearest Left and Right Positions + Hash Table
Intuition
Approach
Code
Complexity

Related Tags

array binary-search hash-table leetcode

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