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Problem Category Points ▾ AC % Users
NOI '00 P3 - Mystery of the Lost City China NOI 17p 40.0% 9
Good Debugging Uncategorized 17 26.4% 128
Good Travels Uncategorized 17 20.8% 69
NOI '02 P3 - The Greedy Kuzuryū China NOI 17p 25.6% 57
NOI '10 P1 - Energy Harvesting China NOI 17p 28.8% 68
CCO '08 P3 - Mobile CCO 17p 31.3% 46
King Graff's Tolls Uncategorized 17p 27.6% 55
MMM '14 C - Pie Shop Uncategorized 17p 16.3% 28
WC '15 Contest 4 S3 - Coded Paper Woburn Challenge 17p 20.4% 20
WC '17 Contest 2 S4 - One Does Not Simply Walk Into Mordor Woburn Challenge 17p 16.5% 10
WC '17 Finals S4 - Ultimatum Woburn Challenge 17p 9.7% 11
WC '15 Contest 1 S3 - Contest Sites Woburn Challenge 17p 9.9% 56
WC '99 Suicidal P1 - World Woburn Challenge 17p 16.6% 25
WC '16 Contest 2 S4 - Diplomacy Woburn Challenge 17p 13.9% 18
WC '17 Contest 1 S4 - Change Woburn Challenge 17p 10.7% 15
WC '17 Contest 4 S4 - Alpha Nerd Woburn Challenge 17p 18.0% 8
Fast LCA (Hard) Uncategorized 17 8.7% 7
Baltic OI '19 P5 - Necklace Baltic OI 17p 11.7% 19
Baltic OI '17 P3 - Railway Baltic OI 17p 34.4% 75
Wesley's Anger Contest 5 Problem 4 - Prison Escape WAC 17p 17.2% 44
IOI '06 P2 - Pyramid IOI 17p 23.1% 214
IOI '12 P6 - Jousting Tournament (Standard I/O) IOI 17p 16.7% 12
Baltic OI '05 P5 - Bus Trip Baltic OI 17 51.9% 20
IOI '11 P2 - Race (Standard I/O) IOI 17p 15.3% 511
IOI '11 P4 - Crocodile's Underground City (Standard I/O) IOI 17p 19.1% 374
ICPC NEERC Northern Subregional 2007 E - Elevator ICPC 17 16.4% 74
ICPC SWERC 2017 C - Macarons ICPC 17 28.6% 2
ICPC SWERC 2017 G - Cordon Bleu ICPC 17 50.0% 5
IOI '13 P6 - Game (Standard I/O) IOI 17p 8.4% 150
COCI '20 Contest 1 #4 Papričice COCI 17p 23.1% 46
COCI '20 Contest 1 #5 Tenis COCI 17p 18.8% 7
COCI '20 Contest 2 #3 Euklid COCI 17p 19.6% 24
COCI '20 Contest 3 #3 Sateliti COCI 17p 20.2% 36
DMOPC '20 Contest 4 P5 - Cyclic Cypher DMOPC 17p 10.0% 31
COCI '16 Contest 4 #5 Rima COCI 17p 12.9% 15
COCI '16 Contest 5 #5 Poklon COCI 17p 40.4% 46
COCI '16 Contest 7 #5 Paralelogrami COCI 17p 4.0% 2
COCI '13 Contest 3 #6 Odašiljači COCI 17p 25.0% 1
COCI '13 Contest 5 #6 Ladice COCI 17p 35.3% 34
COCI '13 Contest 6 #6 Graškrižja COCI 17p 11.0% 12
Segment Tree Practice 4 Uncategorized 17 45.1% 20
DMOPC '20 Contest 6 P5 - Jennifer's Math Mystery DMOPC 17p 11.8% 24
COCI '17 Contest 3 #5 Dojave COCI 17p 22.2% 9
COCI '17 Contest 5 #5 Pictionary COCI 17p 44.0% 19
COCI '17 Contest 6 #5 Kotrljanje COCI 17p 17.9% 4
COCI '20 Contest 5 #4 Planine COCI 17p 13.1% 18
An Animal Contest 2 P6 - Koala Transport System AAC 17p 22.2% 61
ECOO '21 P5 - Waldwick's Walk ECOO 17p 21.6% 23
BSSPC '21 S4 - Child Prodigy Chadstin Uncategorized 17p 6.7% 25
CCO '21 P1 - Swap Swap Sort CCO 17p 16.8% 152