AllUni Programming Contest 2026 Division A

05:00 window between May 23, 2026, 11:45 ACST and May 23, 2026, 16:45 ACST

The authors of this contest are oree, frewmaster.
This contest will not be rated.
There are 13 problems in this contest.
- This contest will not use partial scoring.
- The pretest system will not be used for this contest.
- There is no submission limit for any of these problems.
The contest format is ICPC.
- The maximum score submission for each problem will be used.
- Each submission before the first maximum score submission will incur a penalty of 20 minutes.
- Ties will be broken by the sum of the last score altering submission time on problems with a non-zero score, followed by the time of the last score altering submission.
The scoreboard will be visible for the duration of the contest.

AllUni Programming Contest Division A

Thank you to our primary sponsor Jane Street, and our general sponsors Susquehanna and Hudson River Trading, for making AllUni possible!

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

We will be enforcing the following rules:

You must use the university computers if available.
Internet use is forbidden. You may only use the provided documentation.
Only 1 account and computer may be submitting solutions at all times.
Only 1 computer per team may have a keyboard, other PCs must have their keyboards placed behind their monitor.
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, C++, Python or Java language editor extensions may be used. Any other editor extensions are forbidden.
No prewritten code is to be used or submitted, you may however type code from your physical notes.

Please note that, depending on your site, your printed problemset may be slightly out of date! All statements on the website are up to date. You can visit our amendments document to see the differences.

Problems

Problem	Points	AC Rate	Users
Avid Autoplay	1	17.3%	29
By All Means	1	18.9%	70
Do You Ever Feel Like A Plastic Bag?	1	17.3%	26
Echo Chase	1	36.7%	34
Light It Up (Remix)	1	28.3%	37
Locked Away	1	18.5%	141
Mirrorball	1	26.5%	23
Misery Business	1	40.6%	84
Spotify Blend	1	24.4%	37
Stateside	1	8.9%	7
Supercut	1	18.4%	16
XOR Encore	1	28.5%	54
You Belong With Me	1	22.5%	7

Comments

0

LUGubrious commented on May 23, 2026, 6:56 a.m.

buh

1

Sans_Cowards commented on May 23, 2026, 2:12 a.m.

I downvoted the sigmas 😇

-7

Sigma_Beasts commented on May 23, 2026, 2:10 a.m. ← edited →

WHO DOWNVOTED THE SIGMAS 👹👹👹👹

This comment is hidden due to too much negative feedback. Show it anyway.

-5

Canberra_Sweeney commented on May 23, 2026, 2:08 a.m.

we love canberra

This comment is hidden due to too much negative feedback. Show it anyway.

-6

HappyCapytoro commented on May 23, 2026, 2:06 a.m.

67

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-9

Sigma_Beasts commented on May 23, 2026, 2:05 a.m.

We are Sigma Beasts 😈😈😈😈😈😈😈😈

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