In this video, we start a brand new interview pattern: cyclic sort.
This pattern is best used for problems involving arrays containing numbers in a given range. Using this pattern we can do things such as determining what order the numbers should be in, missing numbers, and duplicate numbers all with maximum linear time complexity aka O(n).
The Challenge:
Given an array of scrambled numbers from 1…n, write a function to sort the numbers in place in O(n) time without using any extra space.
Video Overview:
0:43 Pattern Overview
2:00 Problem
3:13 Approach Outline
5:22 Javascript Solution
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Join us next week for part 2 of this pattern where we’ll walk through a more challenging problem.
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