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LeetCode

LeetCode 219. Contains Duplicate II

Source: https://leetcode.com/problems/contains-duplicate-ii/

Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j]and the absolute difference between i and j is at most k.

Categories
LeetCode

LeetCode 217. Contains Duplicate

Source: https://leetcode.com/problems/contains-duplicate/