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Problem Category Points AC % Users
Back From Summer '17 P4: Pair Programming Seasonal 12p 27.8% 51
Back From Summer '17 P5: Confusing Codeforces Contest Seasonal 25p 14.6% 37
Back From Summer '17 P6: Crowded Cities Seasonal 20p 10.7% 145
Back From Summer '19 P1: Winnie's Orphans Seasonal 3 43.9% 360
Back From Summer '19 P2: Straying From God's Light Seasonal 7p 17.8% 177
Back From Summer '19 P3: ASDFGHJKL Seasonal 10p 9.1% 68
Back From Summer '19 P4: Wesley And Cake Seasonal 25p 19.4% 9
Back From Summer '19 P5: ABC123E Seasonal 17p 33.5% 44
Back From Summer '19 P6: Composite Zeyu Seasonal 15p 38.1% 45
Bulgarian OI '09 P1 - Minesweeper Bulgarian OI 10 42.3% 70
Bulgarian OI '09 P2 - Boxen Bulgarian OI 12 41.0% 198
Bulgarian OI '09 P4 - Frogs Bulgarian OI 12p 21.5% 137
Bulgarian OI '09 P5 - Special Sequence Bulgarian OI 30p 16.2% 39
Bulgarian OI '09 P6 - Diamonds Bulgarian OI 12 23.8% 63
Binary Uncategorized 5 24.3% 943
Bill's Binoculars Uncategorized 5 40.1% 59
Bit Combinations Uncategorized 7 17.9% 28
Fast Bit Duplication Uncategorized 10 32.0% 49
Bitmask Magic Uncategorized 15p 30.2% 26
Balkan OI '11 P1 - Two Circles Balkan OI 30p 12.5% 14
Balkan OI '11 P2 - Decrypt Balkan OI 15p 50.0% 10
Balkan OI '11 P3 - Medians Balkan OI 12p 25.3% 59
Balkan OI '11 P4 - Compare Balkan OI 25p 28.6% 18
Balkan OI '11 P5 - Time Is Money Balkan OI 30p 16.7% 54
Balkan OI '11 P6 - Trapezoids Balkan OI 20p 30.5% 36
A Block Game Uncategorized 3 39.6% 120
Bob Hates Triangles Uncategorized 7 47.8% 103
Bob's Rocks Uncategorized 5 46.4% 185
Bob's Temple Uncategorized 5 54.0% 80
Bohemian Rhaksody Uncategorized 45p 4.8% 12
Boolean Uncategorized 3 50.2% 2476
Boxdropper Uncategorized 20p 22.0% 20
Stacking Boxes Uncategorized 5 32.3% 94
Boxlings Uncategorized 15p 17.1% 57
Union Laser Uncategorized 25p 35.6% 4
BPC 1 J1 - Facial Recognition Uncategorized 3 55.2% 573
BPC 1 J2 - Cake Uncategorized 3 35.9% 239
BPC 1 J3 - Group Project Uncategorized 5 44.2% 257
BPC 1 J4 - Assignment of the Year Uncategorized 10p 10.4% 54
BPC 1 J5 - Set Uncategorized 10 26.8% 25
BPC 1 S1 - Homework Questions Uncategorized 5 17.9% 179
BPC 1 S2 - Train Commute Uncategorized 12p 6.7% 50
BPC 1 S3 - Bus Stops Uncategorized 17p 12.9% 25
BPC 1 S4 - Binary Matrices Uncategorized 25p 13.0% 10
BPC 1 S5 - Temple Uncategorized 25p 7.6% 11
BPC 1 S6 - Painters Uncategorized 30p 9.3% 10
Brap Lesh Mafia Uncategorized 5 33.8% 362
Brazilian IOI TST '19 Day 1 - Secret Santa Brazil OI 17p 17.9% 26
Bruce's Brittle Bridges Uncategorized 12p 30.7% 77
Bruce String Uncategorized 12p 24.0% 19