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Problem Category Points AC % Users
Bubble Cup V9 B Underfail Bubble Cup 20 7.3% 3
Bubble Cup V9 C Paint it really, really black Bubble Cup 10 15.4% 21
Bubble Cup V9 D Potions homework Bubble Cup 5 18.3% 258
Bubble Cup V9 E Festival organization Bubble Cup 25 0.0% 0
Bubble Cup V9 F Pokermon League challenge Bubble Cup 20 25.0% 4
Bubble Cup V9 I R3D3's summer adventure Bubble Cup 25 15.1% 4
Bubble Cup V11 A Splitting Money Bubble Cup 7 24.8% 31
Big Deposits Uncategorized 7p 16.9% 300
List Minimum Uncategorized 3 50.1% 3349
List Minimum (Easy) Uncategorized 3p 11.8% 869
List Minimum (Hard) Uncategorized 5 36.3% 1695
List Minimum (Harder) Uncategorized 7 0.2% 5
Lexicographically Least Substring Uncategorized 5 46.0% 637
Lexicographically Least Substring (Hard) Uncategorized 15 11.1% 193
Next Prime Classics 5 20.1% 2270
Next Prime (Hard) Classics 15 8.1% 178
String Finding Uncategorized 5 16.3% 496
String Finding - Hacking Uncategorized 10 6.0% 18
Back From Summer '17 P1: Pithy Pastimes Seasonal 3 39.5% 794
Back From Summer '17 P2: Crayola Lightsaber Seasonal 7 25.3% 613
Back From Summer '17 P3: Basketball Dodgeball Seasonal 7 19.6% 82
Back From Summer '17 P4: Pair Programming Seasonal 12p 27.4% 50
Back From Summer '17 P5: Confusing Codeforces Contest Seasonal 25p 13.8% 31
Back From Summer '17 P6: Crowded Cities Seasonal 20p 12.1% 129
Back From Summer '19 P1: Winnie's Orphans Seasonal 3 43.5% 344
Back From Summer '19 P2: Straying From God's Light Seasonal 7p 17.7% 175
Back From Summer '19 P3: ASDFGHJKL Seasonal 10p 8.7% 62
Back From Summer '19 P4: Wesley And Cake Seasonal 25p 23.1% 8
Back From Summer '19 P5: ABC123E Seasonal 17p 32.0% 35
Back From Summer '19 P6: Composite Zeyu Seasonal 15p 37.9% 44
Bulgarian OI '09 P1 - Minesweeper Bulgarian OI 10 42.1% 65
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 P5 - Special Sequence Bulgarian OI 30p 15.3% 34
Bulgarian OI '09 P6 - Diamonds Bulgarian OI 12 22.6% 55
Binary Uncategorized 5 24.0% 909
Bill's Binoculars Uncategorized 5 40.3% 55
Bit Combinations Uncategorized 7 32.9% 19
Fast Bit Duplication Uncategorized 10 32.3% 48
Bitmask Magic Uncategorized 15p 29.4% 24
Balkan OI '11 P1 - Two Circles Balkan OI 30p 11.5% 11
Balkan OI '11 P2 - Decrypt Balkan OI 15p 52.6% 8
Balkan OI '11 P3 - Medians Balkan OI 12p 28.5% 41
Balkan OI '11 P4 - Compare Balkan OI 25p 28.8% 17
Balkan OI '11 P5 - Time Is Money Balkan OI 30p 16.7% 48
Balkan OI '11 P6 - Trapezoids Balkan OI 20p 28.6% 27
A Block Game Uncategorized 3 38.3% 106
Bob Hates Triangles Uncategorized 7 47.2% 90
Bob's Rocks Uncategorized 5 47.4% 164
Bob's Temple Uncategorized 5 55.6% 71