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Problem Category Points AC % Users
16 BIT S/W ONLY Uncategorized 3 36.9% 1440
2048 Uncategorized 15 13.0% 61
2-D Permutations Uncategorized 10p 25.7% 82
2-Dimensional Range Minimum Query Classics 17p 24.1% 61
2spooky4me Uncategorized 7 12.2% 133
Rotations in 3 Dimensions Fun Math 12 31.3% 84
Mispelling Uncategorized 3 11.7% 670
Mirrored Pairs Uncategorized 3 28.2% 683
A20 Gate Uncategorized 5 32.4% 152
Triple Fat Ladies Uncategorized 5 25.0% 655
Sorting Classics 5 52.2% 1630
An Animal Contest 1 P1 - Alpaca Shapes Uncategorized 3p 49.6% 256
An Animal Contest 1 P2 - Alpaca Racing Uncategorized 5p 14.3% 137
An Animal Contest 1 P3 - Happy Alpacas Uncategorized 7p 22.5% 109
An Animal Contest 1 P4 - Alpaca Arrays Uncategorized 10p 20.0% 75
An Animal Contest 1 P5 - Odd Alpacas Uncategorized 12p 24.4% 32
An Animal Contest 1 P6 - Alpaca Distancing Uncategorized 12p 33.1% 38
An Animal Contest 2 P0 - Koala Matchmaking Uncategorized 3 66.4% 216
An Animal Contest 2 P1 - Koala Konundrum Uncategorized 5 44.9% 156
An Animal Contest 2 P2 - Koala Party Uncategorized 5p 15.4% 125
An Animal Contest 2 P3 - Koala Balloons Uncategorized 10p 17.2% 78
An Animal Contest 2 P4 - Koala Gambling Uncategorized 12 16.9% 65
An Animal Contest 2 P5 - Koala Carnival Uncategorized 15p 32.1% 40
An Animal Contest 2 P6 - Koala Transport System Uncategorized 17p 18.1% 21
Advanced Battleships Uncategorized 15p 9.8% 15
Appleby Contest '19 P1 - Darcy's Debilitating Demands Uncategorized 3p 19.1% 202
Appleby Contest '19 P2 - The Love Letter Uncategorized 5p 28.1% 242
Appleby Contest '19 P3 - A Recursion Problem Uncategorized 5p 31.2% 123
Appleby Contest '19 P4 - Rectangles Uncategorized 7p 31.9% 130
Appleby Contest '19 P5 - Matrix Operation Uncategorized 10p 29.5% 157
Appleby Contest '20 P1 - Terrific Triangles Uncategorized 3p 22.3% 316
Appleby Contest '20 P2 - Playful Playdoughs Uncategorized 5p 23.1% 249
Appleby Contest '20 P3 - Ridiculous String Uncategorized 10p 16.0% 145
Appleby Contest '20 P4 - Philosophy Class Uncategorized 12p 14.3% 67
Appleby Contest '20 P5 - Ridiculous Tree Uncategorized 15p 19.8% 43
Another Contest 1 Problem 1 - Binary String Operations Uncategorized 25 20.8% 44
Another Contest 1 Problem 2 - Graphs Uncategorized 15 6.8% 59
Another Contest 1 Problem 3 - Poutine Uncategorized 10 10.8% 57
Another Contest 2 Problem 1 - Poutine Uncategorized 15 14.9% 81
Another Contest 2 Problem 2 - Poutine Uncategorized 10 26.0% 83
Another Contest 2 Problem 3 - Poutine Uncategorized 15 26.8% 73
Another Contest 3 Problem 1 - Diverse Arrays Uncategorized 7 19.9% 225
Another Contest 3 Problem 2 - Camelot Uncategorized 15 16.4% 60
Another Contest 3 Problem 3 - Lexicographically Largest Common Subsequence Uncategorized 7 18.9% 112
Another Contest 3 Problem 4 - Range Updates and Range Queries Uncategorized 15 39.7% 91
Another Contest 4 Problem 0 - The April Fools Warmup Problem Uncategorized 1 28.8% 321
Another Contest 4 Problem 1 - Identity Crisis Seasonal 1 32.7% 215
Another Contest 4 Problem 10 - Two Rectangles Seasonal 1 12.4% 44
Another Contest 4 Problem 11 - Three Rectangles Seasonal 1 12.6% 23
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm Seasonal 1 46.2% 159