Solution: Contains Duplicate II
Explore how to apply the sliding window approach to detect duplicates within a limited index range in an array. This lesson guides you through implementing an efficient solution that maintains a set of recent elements to quickly identify duplicates, enhancing your problem-solving skills and coding interview readiness.
We'll cover the following...
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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