Writing notes for each algorithm

When creating the notes for algorithms of various categories, please use this template:

Markdown


# Algorithm Name
Description

## Explanation
Pictorial diagram to explain the algorithm 

> Image credits: (name of the site/organisation from where the image was referenced)

## Algorithm
Algorithm as a numbered list.


## Complexity
Time and space complexity

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<p align="center">
	A massive collaborative effort by <a href="https://github.com/OpenGenus/cosmos">OpenGenus Foundation</a> 
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