Solution: Contains Duplicate II
Understand how to use the sliding window pattern to determine if an array contains duplicates within a defined range k. This lesson guides you through maintaining a set of elements to efficiently track duplicates and optimize time and space complexity.
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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