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219. Contains Duplicate II #55
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@zwfang
zwfang
added
array
An array is stored such that the position of each element can be computed from its index
Easy
Coefficient of difficulty easy
Hash Table(Map)
a structure that can map keys to values.
labels
Jan 7, 2019
Codecov Report
@@ Coverage Diff @@ ## master #55 +/- ## ========================================== + Coverage 99.42% 99.42% +0.01% ========================================== Files 96 97 +1 Lines 1703 1711 +8 ========================================== + Hits 1693 1701 +8 Misses 6 6 Partials 4 4
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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.