Problems
Here are the problems of SWERC 2020–2021, along with the problem analysis videos explaining how to solve them:
- Problem A: Gratitude: problem analysis on Youtube or in direct download
- Problem B: Hashlife: problem analysis on Youtube or in direct download
- Problem C: Safe Distance: problem analysis on Youtube or in direct download
- Problem D: Jogging: problem analysis on Youtube or in direct download
- Problem E: Cake: problem analysis on Youtube or in direct download
- Problem F: Mentors: problem analysis on Youtube or in direct download
- Problem G: Decoration: problem analysis on Youtube or in direct download
- Problem H: Figurines: problem analysis on Youtube or in direct download
- Problem I: Emails: problem analysis on Youtube or in direct download
- Problem J: Daisy's Mazes: problem analysis on Youtube or in direct download
- Problem K: Unique substring: problem analysis on Youtube or in direct download
- Problem L: Restaurants: problem analysis on Youtube or in direct download
- Problem M: Fantasmagorie: problem analysis on Youtube or in direct download
You can also download the full problem set for SWERC 2020–2021:
We also post the problem set for the practice contest of SWERC: