freeCodeCamp/guide/english/miscellaneous/freecodecamp-algorithm-challenge-template-guide/index.md

---
title: Freecodecamp Algorithm Challenge Template Guide
---
> This is the template that you should follow when writing new algorithm solutions or adding content, always make sure the latest version of this template is implemented on your <a>pull request</a>

# Algorithm <a href='https://forum.freecodecamp.com/images/emoji/emoji_one/triangular_flag_on_post.png?v=3 ":triangular_flag_on_post:"' target='_blank' rel='nofollow'>add name here]

![:triangular_flag_on_post:</a> Remember to use <a>**`Read-Search-Ask`**</a> if you get stuck. Try to pair program ![:busts_in_silhouette:](https://forum.freecodecamp.com/images/emoji/emoji_one/busts_in_silhouette.png?v=3 ":busts_in_silhouette:") and write your own code ![:pencil:](https://forum.freecodecamp.com/images/emoji/emoji_one/pencil.png?v=3 ":pencil:")

### ![:checkered_flag:](https://forum.freecodecamp.com/images/emoji/emoji_one/checkered_flag.png?v=3 ":checkered_flag:") Problem Explanation:

Explain what is asked, in an easy to understand and detailed way.

#### Relevant Links

*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 1</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 2</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 3</a>

## ![:speech_balloon:](https://forum.freecodecamp.com/images/emoji/emoji_one/speech_balloon.png?v=3 ":speech_balloon:") Hint: 1

Add hint 1 here.

> _try to solve the problem now_

## ![:speech_balloon:](https://forum.freecodecamp.com/images/emoji/emoji_one/speech_balloon.png?v=3 ":speech_balloon:") Hint: 2

Add hint 2 here.

> _try to solve the problem now_

## ![:speech_balloon:](https://forum.freecodecamp.com/images/emoji/emoji_one/speech_balloon.png?v=3 ":speech_balloon:") Hint: 3

Add hint 3 here.

> _try to solve the problem now_

## Spoiler Alert!

![warning sign](//discourse-user-assets.s3.amazonaws.com/original/2X/2/2d6c412a50797771301e7ceabd554cef4edcd74d.gif)

**Solution ahead!**

## ![:beginner:](https://forum.freecodecamp.com/images/emoji/emoji_one/beginner.png?v=3 ":beginner:") Basic Code Solution:

    // write solution code here

![:rocket:](https://forum.freecodecamp.com/images/emoji/emoji_one/rocket.png?v=3 ":rocket:") <a href='https://repl.it/URL-HERE' target='_blank' rel='nofollow'>Run Code</a>

### Code Explanation:

Explain solution here and add any relevant links

#### Relevant Links

*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 1</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 2</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 3</a>

## ![:sunflower:](https://forum.freecodecamp.com/images/emoji/emoji_one/sunflower.png?v=3 ":sunflower:") Intermediate Code Solution:

    // write solution code here

![:rocket:](https://forum.freecodecamp.com/images/emoji/emoji_one/rocket.png?v=3 ":rocket:") <a href='https://repl.it/URL-HERE' target='_blank' rel='nofollow'>Run Code</a>

### Code Explanation:

Explain solution here and add any relevant links

#### Relevant Links

*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 1</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 2</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 3</a>

## ![:rotating_light:](https://forum.freecodecamp.com/images/emoji/emoji_one/rotating_light.png?v=3 ":rotating_light:") Advanced Code Solution:

    // write solution code here

![:rocket:](https://forum.freecodecamp.com/images/emoji/emoji_one/rocket.png?v=3 ":rocket:") <a href='https://repl.it/URL-HERE' target='_blank' rel='nofollow'>Run Code</a>

### Code Explanation:

Explain solution here and add any relevant links

#### Relevant Links

*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 1</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 2</a>
*   <a href='http://example.com' target='_blank' rel='nofollow'>Link Title 3</a>

## ![:clipboard:](https://forum.freecodecamp.com/images/emoji/emoji_one/clipboard.png?v=3 ":clipboard:") NOTES FOR CONTRIBUTIONS:

*   ![:warning:](https://forum.freecodecamp.com/images/emoji/emoji_one/warning.png?v=3 ":warning:") **DO NOT** add solutions that are similar to any existing solutions. If you think it is **_similar but better_**, then try to merge (or replace) the existing similar solution.
*   Add an explanation of your solution.
*   Categorize the solution in one of the following categories — **Basic**, **Intermediate** and **Advanced**. ![:traffic_light:](https://forum.freecodecamp.com/images/emoji/emoji_one/traffic_light.png?v=3 ":traffic_light:")
*   Please add your username only if you have added any **relevant main contents**. (![:warning:](https://forum.freecodecamp.com/images/emoji/emoji_one/warning.png?v=3 ":warning:") **_DO NOT_** _remove any existing usernames_)

> See ![:point_right:](https://forum.freecodecamp.com/images/emoji/emoji_one/point_right.png?v=3 ":point_right:") <a>**`Wiki Challenge Solution Template`**</a> for reference.