Problems

Problem Category Points AC % Users
Fast Bit Duplication Uncategorized 10 36.1% 23
Bitmask Magic Uncategorized 15p 24.1% 10
Balkan OI '11 P1 - Two Circles Balkan OI 20p 25.0% 4
Balkan OI '11 P2 - Decrypt Balkan OI 25p 42.9% 3
Balkan OI '11 P3 - Medians Balkan OI 20p 29.6% 24
Balkan OI '11 P4 - Compare Balkan OI 25p 36.6% 11
Balkan OI '11 P5 - Time Is Money Balkan OI 20p 17.9% 19
Balkan OI '11 P6 - Trapezoids Balkan OI 20p 35.5% 9
Board Games Uncategorized 7 27.6% 96
Bohemian Rhaksody Uncategorized 50p 4.9% 8
Boolean Uncategorized 4 51.4% 1632
Boxdropper Uncategorized 20p 17.3% 13
Boxlings Uncategorized 20p 10.8% 11
Union Laser Uncategorized 25p 16.0% 2
Brap Lesh Mafia Uncategorized 5 22.0% 102
Brazilian IOI TST '19 Day 1 - Secret Santa Uncategorized 17p 15.8% 6
Polynomial Time Boolean Satisfiability Uncategorized 15p 37.8% 35
Battleships Uncategorized 10p 11.9% 75
Baltic OI '05 P1 - Camouflaged camp Baltic OI 12 45.2% 22
Baltic OI '05 P2 - LISP Baltic OI 15 27.0% 24
Baltic OI '05 P3 - Maze Baltic OI 12 45.5% 14
Baltic OI '05 P4 - Ancient Manuscript Baltic OI 12 25.6% 6
Baltic OI '05 P5 - Bus Trip Baltic OI 12 60.0% 3
Baltic OI '05 P6 - Polygon Baltic OI 20 5.0% 2
Baltic OI '06 P1 - Bitwise Expressions Baltic OI 15p 50.0% 3
Baltic OI '06 P2 - Coin Collector Baltic OI 7 12.9% 7
Baltic OI '07 P1 - Escape Baltic OI 20p 14.9% 27
Baltic OI '07 P2 - Sorting Baltic OI 40p 11.2% 6
Baltic OI '07 P3 - Sound Baltic OI 10p 37.4% 135
Baltic OI '13 P2 - Palindrome-Free Numbers Baltic OI 15p 27.5% 34
Baltic OI '13 P5 - Tracks in the Snow Baltic OI 12p 29.0% 49
Baltic OI '13 P6 - Vim Baltic OI 20p 33.3% 1
Baltic OI '17 P1 - Political Development Baltic OI 25p 17.5% 16
Baltic OI '17 P2 - Toll Baltic OI 20p 43.8% 12
Baltic OI '17 P3 - Railway Baltic OI 17p 45.3% 27
Baltic OI '17 P4 - Friends Baltic OI 35p 25.0% 2
Baltic OI '17 P5 - Plus Minus Baltic OI 25p 40.0% 11
Baltic OI '17 P6 - Cat in a tree Baltic OI 15p 30.3% 17
Baltic OI '18 P1 - Love Polygon Baltic OI 20p 18.8% 22
Baltic OI '18 P2 - Martian DNA Baltic OI 15p 45.9% 53
Baltic OI '18 P4 - Alternating Current Baltic OI 25p 6.5% 3
Baltic OI '18 P5 - Genetics Baltic OI 25p 18.3% 20
Baltic OI '18 P6 - Paths Baltic OI 15p 40.2% 29
Baltic OI '19 P2 - Nautilus Baltic OI 15p 20.8% 28
Baltic OI '19 P3 - Alpine Valley Baltic OI 20p 15.6% 17
Baltic OI '19 P4 - Tom's Kitchen Baltic OI 15p 31.2% 24
Baltic OI '19 P5 - Necklace Baltic OI 17p 8.4% 5
Baltic OI '19 P6 - Olympiads Baltic OI 20p 14.3% 8
Back to School '16: Harambe Seasonal 3p 28.8% 682
Back to School '16: Paradox Seasonal 5 34.7% 251