A December programming puzzle event you can solve in any language. The 2025 edition had 12 days of puzzles.
Who can apply
Anyone who can program.
Dates
Every December. The 2026 format and dates are not announced yet.
How to apply
- Pick a language you want to practise.
- Create a private leaderboard for your college club.
- Solve each puzzle and compare approaches afterwards.
SWABUD notePast years' puzzles stay online, so you can start practising now.
What it costs and what you get
Cost: Not stated on the official page
Benefits: Daily puzzles, private leaderboards for your class or club
Members only · free
Unlock how to apply
Create a free SWABUD account to see the full listing and keep track of it.
- The official application link
- Step-by-step how to apply and SWABUD's tips
- Cost, benefits and level
- Calendar reminders and your personal tracker
Before you apply
- Open the official page and confirm the dates in Nepal time.
- Read the eligibility rules in full, including age and country.
- Never pay an agent or a third party to apply. Official programmes say clearly if there is a fee.
- Save a copy of your application and any confirmation email.