#219

Contains Duplicate II

pupil · 480 · lc easy +27 · verified · 50.9% accepted · 7,437 likes · top 39%

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Description

Determine whether there exist two indices i and j in nums (with i != j) where the values are equal and the distance between indices is at most k.

Example 1:

Input: nums = [1,2,3,1], k = 3
Output: true

Example 2:

Input: nums = [1,0,1,1], k = 1
Output: true

Example 3:

Input: nums = [1,2,3,1,2,3], k = 2
Output: false

Code

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