Division A Round 2 2026

AUCPL Division A Round 2 brought to you by Adelaide Competitive Programming Club and sponsored by Susquehanna

Note that the problems here are in alphabetical, AKA arbitrary, order. In previous rounds we tried to use difficulty order, but these ones are randomly ordered, so you should search through all the problems to find one you feel confident solving.

The only allowed use of documentation are the following websites. DO NOT SEARCH THESE UP ON THE INTERNET! CLICK THE FOLLOWING LINKS INSTEAD:

In addition to our terms of service, we will be enforcing the following rules:

  • You must use the university computers.
  • Internet use is forbidden. You may only use the provided documentation.
  • Only 1 account and computer may be submitting solutions at all times. If you break this rule, you will get a 2x time penalty.
  • Only 1 computer per team may have a keyboard, other PCs must have their keyboards placed behind their monitor.
  • No templates or pre-written code may be used. You may bring reference materials that contain up to 25 pages, A4 size (25 sheets if single-sided, 13 sheets if double-sided). This may be handwritten or printed.
  • Only C++, Python or Java language editor extensions may be used. Any other editor extensions are forbidden.

Problems

Problem Points AC Rate Users
Altar Alignment 1 64.6% 31
Bricking Up 1 11.8% 2
Bricky Jaiden 1 86.8% 32
Giza Gifts 1 23.6% 13
Nile Network 1 43.5% 29
Pharaoh's Curse 1 10.5% 11
Prime Machine 1 80.0% 31
Riddle Me This 1 33.3% 2
River Nile 1 42.9% 18
Shop Till You Drop 1 100.0% 2
Smuggler's Rift 1 100.0% 2
Sticky Jaiden 1 46.2% 4
Uncertain Sands 1 10.0% 5

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