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Problem Category Points AC % Users
List Minimum Uncategorized 3 50.7% 3546
List Minimum (Easy) Uncategorized 3p 11.9% 972
List Minimum (Hard) Uncategorized 5 36.4% 1766
List Minimum (Harder) Uncategorized 7 0.2% 5
Lexicographically Least Substring Uncategorized 5 27.1% 407
Lexicographically Least Substring (Hard) Uncategorized 15 11.5% 211
Next Prime Classics 5 20.4% 2423
Next Prime (Hard) Classics 15 9.2% 201
String Finding Uncategorized 5 16.9% 557
String Finding - Hacking Uncategorized 10 5.3% 20
Back From Summer '17 P1: Pithy Pastimes Seasonal 3 39.8% 826
Back From Summer '17 P2: Crayola Lightsaber Seasonal 7 26.1% 650
Back From Summer '17 P3: Basketball Dodgeball Seasonal 7 19.8% 85
Back From Summer '17 P4: Pair Programming Seasonal 12p 26.8% 54
Back From Summer '17 P5: Confusing Codeforces Contest Seasonal 25p 14.3% 36
Back From Summer '17 P6: Crowded Cities Seasonal 20p 10.7% 151
Back From Summer '19 P1: Winnie's Orphans Seasonal 3 43.6% 366
Back From Summer '19 P2: Straying From God's Light Seasonal 7p 17.8% 176
Back From Summer '19 P3: ASDFGHJKL Seasonal 10p 8.7% 70
Back From Summer '19 P4: Wesley And Cake Seasonal 25p 19.2% 9
Back From Summer '19 P5: ABC123E Seasonal 17p 33.2% 43
Back From Summer '19 P6: Composite Zeyu Seasonal 15p 38.5% 46
Bulgarian OI '09 P1 - Minesweeper Bulgarian OI 10 43.1% 73
Bulgarian OI '09 P2 - Boxen Bulgarian OI 12 40.6% 198
Bulgarian OI '09 P4 - Frogs Bulgarian OI 12p 21.3% 140
Bulgarian OI '09 P5 - Special Sequence Bulgarian OI 15p 14.7% 41
Bulgarian OI '09 P6 - Diamonds Bulgarian OI 12 23.7% 62
Binary Uncategorized 5 24.2% 953
Bill's Binoculars Uncategorized 5 39.9% 59
Bit Combinations Uncategorized 7 19.2% 31
Fast Bit Duplication Uncategorized 10 31.8% 49
Bitmask Magic Uncategorized 15p 29.8% 25
Balkan OI '11 P1 - Two Circles Balkan OI 30p 12.6% 14
Balkan OI '11 P2 - Decrypt Balkan OI 15p 50.0% 10
Balkan OI '11 P3 - Medians Balkan OI 12p 24.7% 59
Balkan OI '11 P4 - Compare Balkan OI 25p 24.2% 18
Balkan OI '11 P5 - Time Is Money Balkan OI 30p 16.2% 57
Balkan OI '11 P6 - Trapezoids Balkan OI 20p 30.5% 39
A Block Game Uncategorized 3 39.5% 125
Bob Hates Triangles Uncategorized 7 47.9% 107
Bob's Rocks Uncategorized 5 46.8% 192
Bob's Temple Uncategorized 5 53.1% 82
Bohemian Rhaksody Uncategorized 45p 4.7% 13
Boolean Uncategorized 3 50.1% 2518
Boxdropper Uncategorized 20p 22.0% 20
Stacking Boxes Uncategorized 5 31.6% 99
Boxlings Uncategorized 15p 17.1% 62
Union Laser Uncategorized 25p 35.3% 4
BPC 1 J1 - Facial Recognition Uncategorized 3 55.4% 597
BPC 1 J2 - Cake Uncategorized 3 36.0% 247