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https://github.com/qosf/monthly-challenges

Repository containing monthly challenges in the field of quantum computing.
https://github.com/qosf/monthly-challenges

code-exercises learning-by-doing quantum-algorithms quantum-computing quantum-programming unitaryhack

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Repository containing monthly challenges in the field of quantum computing.

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README 

        
# QOSF Monthly Challenges



A repository containing monthly challenges in the field of quantum computing.



## Current Challenge



**[April 2023 Challenge](challenge-2023.04-apr/challenge-2023.04-apr.ipynb)** - QUBO



**Release date**: April 28, 2023

**Submission deadline (optional):** May 28, 2023 



You can see previous challenges [here](#previous-challenges).



Clone this repository into your qBraid account: 



[](https://account.qbraid.com?gitHubUrl=https://github.com/qosf/monthly-challenges.git)



## How it Works



These challenges will help you hone your quantum computing skills by being exposed to a variety of problems in different areas.



We release a new challenge every month that are open to anyone and everyone. You're welcome to try your hand at solving them individually or as a team.   



You are free to use any framework that you like and submit your solutions in any format. Just make sure that they're easy to evaluate.



**You're also welcome to *contribute* challenges! Open an issue on this repo and describe your idea and we'll be happy to take a look at it!** 



## Tentative Timeline



- We try and release each challenge on the same date every month, but sometimes this varies (hey, we're all volunteers).

- You get a month's time to solve each challenge, but if you wish to have your solution reviewed please aim to submit your solution within the first 2 or 3 weeks (to allow for sufficient time for reviews).



## Submission



- Please fork this repository and use that to work on your solutions to the challenges. 

	- Under the challenge directory you wish to attempt to solve, create a folder with your github username (all lowercase, separated-by-hyphens). Your solution goes into this directory. Look at prior submissions for examples if you are not clear on this.

	- Do not delete or modify any of the original challenge files since this will show up when you submit your solution.

- If you complete a challenge and want to "submit" your solution, raise a Pull Request (PR) from your repo to ours. 

- **After you submit your PR, you must find at least one other reviewer to review your work**. Your reviewer could be a fellow challenge submitter (trade off reviews!), reach out individually to another community member on Slack, or post in the [#monthly-challenges](https://qosf.slack.com/archives/C01D2GB1DMM) channel asking for a review.

- We will give shout-outs to the best submissions! 😃

- Note that if you're working as a team, it is sufficient to submit just one PR. Please make sure to have all of your teammates properly credited in your solution.



## Evaluation



- We want this to be a community driven project, so evaluation will be in the form of peer reviews.

- *Please* take some time to go through other solutions and provide your feedback! The only way this will work well is if we learn from each other. 

- If you like a solution, please leave an emoji reaction with a 👍 on the PR. We need some feedback for picking the best submissions.



## Communication



- Please join the [#monthly-challenges](https://qosf.slack.com/archives/C01D2GB1DMM) Slack channel for the challenge where you can share ideas with others and ask any questions you might have.



## Git FAQ



- We recommend you install the new [GitHub CLI tool](https://cli.github.com/) which is pretty cool. 

- Forking: https://docs.github.com/en/free-pro-team@latest/github/getting-started-with-github/fork-a-repo

	- Pro tip: If you're using the CLI we just told you about, you can do this without ever leaving the terminal! Run `gh repo fork qosf/monthly-challenges`. When asked if you want to clone the repository, hit `n`.

- Cloning (first time setup):  

  - ```git clone htps://github.com/{{your-github-username}}/monthly-challenges.git```

    - If you're using the CLI, just run  ```gh repo clone {{your-github-username}}/monthly-challenges```.

  - run `git remote add upstream https://github.com/qosf/monthly-challenges.git`. You **DO NOT** have to do this if you used the CLI to clone your repo (it does that automatically).

  - run ```git checkout main```

-  What to do before starting a new challenge:

   - Bring your fork on-par with our repo

		```

		git fetch upstream

		git checkout main

		git merge main upstream/main

		git push

		```

   - Create a branch to work on the new challenge

      - `git branch -b {{branch name}}`

- Work on the challenge (make sure your changes are all on the right branch).

- Periodically push your changes to your fork

   - `git push -u origin {{branch name}}` the first time you push. For subsequent pushes, just `git push`.

- Raising a Pull Request: https://docs.github.com/en/free-pro-team@latest/github/collaborating-with-issues-and-pull-requests/proposing-changes-to-your-work-with-pull-requests

  



Any other questions? Try the [GitHub documentation](https://docs.github.com/en) or ping us on Slack!



## Previous Challenges



  

[November 2020 Challenge](challenge-2020.11-nov/challenge-2020.11-nov.pdf): Diagonal Unitaries  

Release date: November 2nd, 2020  



---



[December 2020 Challenge](challenge-2020.12-dec/challenge-2020.12-dec.ipynb): Minimum Hamming Distance  

Release date: December 10th, 2020   



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[January 2021 Challenge](challenge-2021.01-jan/challenge-2021.01-jan.ipynb): Minimum Makespan    

Release date: January 10th, 2020  



---



[February 2021 Challenge](challenge-2021.02-feb/challenge-2021.02-feb.ipynb): QOSF Mentorship Screening Tasks  

Release date: February 18th, 2021  



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[March 2021 Challenge](challenge-2021.03-mar/challenge-2021.03-mar.ipynb): Quantum Autoencoders (QML)  

Release date: March 19th, 2021  



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[April 2021 Challenge](challenge-2021.04-apr/challenge-2021.04-apr.ipynb): Mermin-Peres Magic Square Game  

Release date: April 22nd, 2021  



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[May 2021 Challenge](challenge-2021.05-may/challenge-2021.05-may.ipynb): unitaryHACK!  

Release date: May 14th, 2021  



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[June 2021 Challenge](challenge-2021.06-jun/challenge-2021.06-jun.ipynb): k-Nearest Neighbors  

Release date: June 19th, 2021  



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[July 2021 Challenge](challenge-2021.07-jul/challenge-2021.07-jul.ipynb): Quantum State Tomography  

Release date: July 21st, 2021  



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[August 2021 Challenge](challenge-2021.08-aug/challenge-2021.08-aug.ipynb): W States  

Release date: August 19th, 2021  



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[September 2021 Challenge](challenge-2021.09-sep/challenge-2021.09-sep.ipynb): Mentorship Screening Tasks  

Release date: September 19th, 2021  



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[December 2021 Challenge](challenge-2021.12-dec/challenge-2021.12-dec.ipynb): Morphological Operators  

Release date: December 1th, 2021  



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[January 2022 Challenge](challenge-2022.01-jan/challenge-2022.01-jan.ipynb): Decompose  

Release date: January 11th, 2022  



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[March 2022 Challenge](challenge-2022.03-mar/challenge-2022.03-mar.ipynb): QOSF Mentorship Screening Tasks  

Release date: March 2th, 2022    



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[April 2022 Challenge](challenge-2022.04-apr/challenge-2022.04-apr.ipynb): Finding the way out of the maze  



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[July 2022 Challenge](challenge-2022.07-jul/challenge-2022.07-jul.ipynb): Palindrome Integer  



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[October 2022 Challenge](challenge-2022.10-oct/challenge-2022.10-oct.ipynb): Mentorship Screening Tasks



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[February 2023 Challenge](challenge-2023.02-feb/challenge-2023.02-feb.ipynb): Mentorship Screening Tasks



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[March 2023 Challenge](challenge-2023.03-mar/challenge-2023.03-mar.ipynb): Working with NISQ Devices using Mitiq



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