4 Sort a K Sorted Array | Sort Nearly Sorted Array

Published: 01 February 2020
on channel: Aditya Verma

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Given an array of n elements, where each element is at most k away from its target position, devise an algorithm that sorts in O(n log k) time. For example, let us consider k is 2, an element at index 7 in the sorted array, can be at indexes 5, 6, 7, 8, 9 in the given array.

Example:
Input : arr[] = {6, 5, 3, 2, 8, 10, 9}
k = 3
Output : arr[] = {2, 3, 5, 6, 8, 9, 10} .
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