Problems

Problem Category Points AC % Users
Athena on Zanzibar Island Olympiads School 12p 6.7% 32
Bad Paths Uncategorized 12p 21.5% 49
Bubble Cup V8 F Bulbo Bubble Cup 12 30.7% 78
Bubble Cup V8 H Bots Bubble Cup 12 33.6% 388
Lexicographically Least Substring (Hard) Uncategorized 15 11.1% 193
Next Prime (Hard) Classics 15 8.0% 176
Back From Summer '17 P4: Pair Programming Seasonal 12p 27.4% 50
Back From Summer '19 P6: Composite Zeyu Seasonal 15p 37.9% 44
Bulgarian OI '09 P2 - Boxen Bulgarian OI 12 41.5% 189
Bulgarian OI '09 P4 - Frogs Bulgarian OI 12p 23.4% 130
Bulgarian OI '09 P6 - Diamonds Bulgarian OI 12 22.5% 54
Bitmask Magic Uncategorized 15p 29.4% 24
Balkan OI '11 P2 - Decrypt Balkan OI 15p 52.6% 8
Balkan OI '11 P3 - Medians Balkan OI 12p 28.5% 41
Boxlings Uncategorized 15p 17.1% 45
BPC 1 S2 - Train Commute Uncategorized 12p 6.7% 50
Bruce's Brittle Bridges Uncategorized 12p 31.6% 70
Bruce String Uncategorized 12p 22.0% 15
Polynomial Time Boolean Satisfiability Uncategorized 15p 37.5% 49
Fast Search Uncategorized 15p 27.3% 111
BSSPC '21 J6 - Lakshy and Orz Trees Uncategorized 12 16.2% 85
Baltic OI '01 P5 - Mars Maps Baltic OI 15p 14.7% 30
Baltic OI '02 P1 - Speed Limits Baltic OI 12p 26.3% 16
Baltic OI '02 P2 - Tennis Club Baltic OI 12p 34.0% 14
Baltic OI '02 P3 - Triangles Baltic OI 12p 18.0% 8
Baltic OI '02 P4 - Bicriterial Routing Baltic OI 12 20.8% 9
Baltic OI '03 P2 - Gems Baltic OI 12p 48.1% 16
Baltic OI '03 P4 - The Gangs Baltic OI 12p 41.1% 44
Baltic OI '03 P5 - Lamps Baltic OI 15p 29.9% 17
Baltic OI '05 P1 - Camouflaged camp Baltic OI 12 43.5% 43
Baltic OI '05 P3 - Maze Baltic OI 12 30.0% 50
Baltic OI '05 P4 - Ancient Manuscript Baltic OI 12 30.0% 19
Baltic OI '06 P1 - Bitwise Expressions Baltic OI 15p 37.8% 9
Baltic OI '06 P2 - Coin Collector Baltic OI 12 18.8% 24
Baltic OI '07 P4 - Building a Fence Baltic OI 12p 19.2% 5
Baltic OI '07 P5 - Connected Points Baltic OI 15p 36.1% 9
Baltic OI '07 P6 - Sequence Baltic OI 12p 27.2% 30
Baltic OI '08 P2 - Gates Baltic OI 15p 16.7% 1
Baltic OI '08 P4 - Elections Baltic OI 12p 34.3% 18
Baltic OI '09 P1 - Beetle Baltic OI 15 35.3% 49
Baltic OI '09 P2 - Candy Machine Baltic OI 12p 36.7% 25
Baltic OI '09 P3 - Subway Signaling Error Baltic OI 12p 34.0% 9
Baltic OI '10 P1 - BEARs Baltic OI 15 30.4% 5
Baltic OI '10 P2 - Lego Baltic OI 12p 53.8% 4
Baltic OI '10 P3 - Printed Circuit Board Baltic OI 12p 46.8% 26
Baltic OI '10 P6 - Mines Baltic OI 15p 9.1% 1
Baltic OI '11 P3 - Switch the Lamp On Baltic OI 12p 25.5% 23
Baltic OI '11 P4 - Treasures and Vikings Baltic OI 15p 31.0% 20
Baltic OI '12 P1 - Brackets Baltic OI 15p 34.0% 13
Baltic OI '12 P2 - Mobile Baltic OI 15p 10.4% 12