Solution: Contains Duplicate II
Explore how to use the sliding window technique to detect duplicates in an array within a specified range. Learn to implement an optimized solution with sets to track elements, ensuring efficient time and space complexity. Understand how to maintain the window size and apply this pattern for similar coding interview problems.
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We'll cover the following...
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:
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