practice-contest-2021-09

Please fork this repository under your own GitHub account. For details see https://docs.github.com/en/get-started/quickstart/fork-a-repo or video here https://www.youtube.com/watch?v=f5grYMXbAV0 (Erdem Alparslan recorded a short video to show both forking and opening a pull request. Please see it under Resources folder of Practice Programming For Beginners. The file name is github-fork-pr.mp4 https://drive.google.com/file/d/1sp4TofacWCWJ7zMXZzRF2u8ONbCVFkvu/view?usp=sharing)
As I put 2 example Solution file create Solution{id}.java for every solution you want to submit. There are 20 questions in the contest. Use question id defined on the spreadsheet while naming your Solution{id}.java file and class. Solution number 0 is already put into repo as an example.
Please include some examples in main() method of every Solution file.
Anytime commit your solutions to your own GitHub repo. When you want to submit your solution, just open a Pull Request to main repository you forked in the 1st step. For details see https://docs.github.com/en/github/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request-from-a-fork
You can open as much as Pull Requests you want.

Questions: