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Challenge: make an existing solution shorter or faster (30 min)

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
58/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
python

Research direction

Browse the existing solution files and choose one to improve. Keep the original, add a version named practice<n>_v2.<ext> or place yours below it, and explain the change in a comment; mention time complexity if it changes. The issue does not name a file or test, so first identify a suitable solution and compare your version with the original.

Written by the indexing model from the issue text.

Description

30-minutes algorithm all-levels any-language codewars hackerrank hacktoberfest help wanted interview-prep leetcode medium open-source refactor students

Think you can do it better? Prove it.

Pick any solution and write a cleaner, more idiomatic, or faster version, in the same language or a different one.

Time: ~30 minutes | Level: Beginner to intermediate

Rules
  • Keep the original solution
  • Add yours as practice<n>_v2.<ext> (or below the original)
  • Explain what changed in a comment
  • Mention time complexity before/after if it changed

Show off your best tricks. Learning from each other's style is the whole point.

Open for everyone

This issue is open for everyone: beginners, experienced developers, students, and people who don't code at all. Any language, any level, no experience required. If you want to help, you are welcome here.

How to contribute

  1. Comment on this issue to claim it
  2. Fork this repo
  3. Clone your fork and create a new branch
  4. Make your change
  5. Commit, push, and open a Pull Request

New to open source? Start here before anything else:

First Contributions - github.com/firstcontributions/first-contributions

Prefer video? Watch this: How to contribute on GitHub (YouTube)

If this repo helps you or you like where it is going, a star is a nice way to say thanks and helps other people find it. Entirely optional, and you do not need it to contribute.

Dominant language
Python
Stars
3
Forks
2
Avg merge
2h 43m
Merged PRs (30d)
7

Getting set up

This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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