Search⌘ K
AI Features

Solution: Contains Duplicate II

Explore the sliding window approach to solve the Contains Duplicate II problem in JavaScript. Understand how to track elements within a specific range using a set to identify duplicates efficiently and practice implementing this technique with optimal time and space complexity.

Statement

You are given an integer array, nums, and an integer k. Determine whether two distinct indices, i and j, are in the array, such that nums[i] == nums[j] and the absolute difference between i and j is at most k. Return TRUE if such indices exist; otherwise, return FALSE.

Constraints:

  • ...