Problems

Name Submissions limit Score
Previous year rewind (5 February 2025, 08:00)
phr Pigeon Hit Rates 10
rai Rainy days 10
sus System for Universal Signalling 10
tas Town Assembly Square 10
tpe Terrible Periodic Encryption 10
xap Experimental Assault Pigeons 10
Test round (29 April 2025, 08:00) – (6 May 2025, 08:00)
mul Multiplix 10
Round 1 - Warmup (6 May 2025, 08:00) – (13 May 2025, 08:00)
toy Toy Ordering Plan 100
zoo Zoomies 100
Round 2 - Greedy or Dynamic? (13 May 2025, 08:00) – (27 May 2025, 08:00)
sli Sliding Cat Puzzle 100
tes Treat Exchange System 100
Round 3 - Trees (27 May 2025, 08:00) – (3 June 2025, 08:00)
fal Falling Cats 100
tuv Tunnel Vision 100
Round 4 - Graphs (3 June 2025, 08:00) – (17 June 2025, 08:00)
cat Catventure 100
paw Park Walks 100
Round 5 - Graphs 2: Advanced Boogaloo (17 June 2025, 08:00) – (24 June 2025, 08:00)
grr Garden Road Routine 100
luc Luck of the Paw 100
Round 6 - BSTs (24 June 2025, 08:00) – (1 July 2025, 08:00)
bur Cat Burglars 100
pss Purrfect Scent Schedule 100
Round 7 - Number Theory (1 July 2025, 08:00) – (8 July 2025, 08:00)
tab Totally Aligned Buttons 100
Round 8 - Strings (8 July 2025, 08:00) – (15 July 2025, 08:00)
ppm Puzzle of the Perfect Meows 100
Round 9 - NP-completeness (15 July 2025, 08:00) – (22 July 2025, 08:00)
apd All Paws on Deck 100