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219. Contains Duplicate II | LeetCode Solution

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219. Contains Duplicate II | LeetCode Solution

Given an integer array nums and an integer k, return true if there are two distinct indices i and j in the array such that nums[i] == nums[j] and abs(i - j) less than equal to k. Example 1: Input: nums = [1,2,3,1], k = 3 Output: true LeetCode Problem: https://leetcode.com/problems/contains-duplicate-ii/ Medium Solution: https://rajdeepkaur245 ...

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