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Problem Category Points ▾ AC % Users
NOI '23 P2 - Osmanthus Tree China NOI 25p 26.3% 5
NOI '23 P5 - String China NOI 25p 18.9% 7
IOI '23 P1 - Closing Time IOI 25p 4.5% 20
IOI '23 P2 - Longest Trip IOI 25p 3.1% 13
IOI '23 P5 - Overtaking IOI 25p 6.1% 11
Waterloo 2023 Fall E - Loose Goose Waterloo Local 25 4.5% 1
DMOPC '23 Contest 1 P5 - Perfect Matching DMOPC 25p 11.5% 14
Carving Tiny Fractions Uncategorized 25p 5.3% 4
COCI '23 Contest 4 #3 Lepeze COCI 25p 9.1% 5
MMCC '14 P2 - Kirito Uncategorized 20p 25.9% 152
IOI '14 P3 - Game IOI 20p 27.8% 217
A Times B Uncategorized 20p 15.8% 124
CCC '14 S5 - Lazy Fox CCC 20p 17.9% 456
Halloween '14 P4 - Fox Girls Seasonal 20p 7.0% 54
COCI '14 Contest 1 #6 Kamp COCI 20p 34.8% 141
COCI '14 Contest 2 #5 Šuma COCI 20p 19.0% 64
COCI '14 Contest 2 #4 Bob COCI 20p 29.3% 120
CCC '10 S5 - Nutrient Tree CCC 20p 19.7% 268
GFSSOC '14 Winter S5 - Stardust Snow GFSSOC 20p 12.2% 70
DMOPC '14 Contest 3 P5 - Not Enough Servers! DMOPC 20p 20.2% 208
COCI '14 Contest 4 #6 Stanovi COCI 20p 16.8% 70
Mailing Origami Uncategorized 20 9.1% 67
New Year's '15 P6 - Tiles Seasonal 20p 23.8% 26
The Cosmic Era P5 - GENESIS Uncategorized 20 34.3% 122
New Year's '15 P5 - Message to Mars Seasonal 20p 14.4% 52
Facebook Hacker Cup '15 Round 2 P3 - Autocomplete Strikes Back FHC 20 49.0% 22
UTS Open '15 #5 - Distribution Channel Uncategorized 20p 6.0% 60
DMOPC '14 Contest 4 P5 - Aircraft Carrier Akagi DMOPC 20p 40.1% 24
COCI '14 Contest 6 #6 WTF COCI 20p 9.6% 6
Linked List Uncategorized 20p 7.0% 29
JOI '14 Open P1 - Factories JOI 20p 32.9% 155
CCO '07 P3 - Bowling for Numbers++ CCO 20p 10.5% 80
CCO '07 P4 - Gerrymandering CCO 20p 1.7% 3
CCO '07 P6 - Road Construction CCO 20p 30.4% 181
CCO '12 P3 - Mhocskian Languages CCO 20p 49.6% 103
CCO '13 P4 - A Romantic Movie Outing CCO 20p 23.5% 91
CCO '14 P5 - Early Exam Evacuation CCO 20p 23.3% 87
DMOPC '14 Contest 5 P6 - Nia and Dominoes DMOPC 20p 9.3% 9
CCO Preparation Test 1 P1 - Double Cross Mock CCO 20p 12.1% 10
CCO Preparation Test 1 P2 - Escape Maze Mock CCO 20p 12.0% 39
CCO Preparation Test 2 P3 - Subsets Mock CCO 20p 16.7% 39
Touching Segments Uncategorized 20p 21.3% 86
DMOPC '14 Contest 7 P6 - Revenge of the Bins DMOPC 20p 32.8% 115
CCO '15 P3 - Solar Flight CCO 20p 12.8% 68
CCO '15 P5 - Timpanist CCO 20p 36.5% 102
CEOI '14 P2 - Fangorn CEOI 20p 28.3% 18
COCI '15 Contest 4 #6 Endor COCI 20p 30.9% 36
New Year's '16 P8 - S-NO-wall Seasonal 20p 16.4% 66
TLE '15 P6 - Rock, Paper, Scissors TLE 20p 30.6% 56
CCC '16 S5 - Circle of Life CCC 20p 22.5% 578