Solution: Contains Duplicate II
Understand how to apply the sliding window technique to check for duplicate elements within a certain distance in an array. This lesson teaches you to implement an optimized O(n) time solution using a set to track elements, helping you solve common interview problems more effectively.
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:
nums.length...