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Problem Category Points AC % Users
16 BIT S/W ONLY Uncategorized 3 36.3% 1486
2048 Uncategorized 15 12.6% 65
2-D Permutations Uncategorized 10p 25.2% 86
2-Dimensional Range Minimum Query Classics 17p 24.0% 68
2spooky4me Uncategorized 7 11.6% 142
Rotations in 3 Dimensions Fun Math 12 31.1% 87
Mispelling Uncategorized 3 11.8% 705
Mirrored Pairs Uncategorized 3 27.1% 717
A20 Gate Uncategorized 5 33.8% 161
Triple Fat Ladies Uncategorized 5 24.8% 700
Sorting Classics 5 52.2% 1733
An Animal Contest 1 P1 - Alpaca Shapes Uncategorized 3p 47.9% 331
An Animal Contest 1 P2 - Alpaca Racing Uncategorized 5p 13.4% 166
An Animal Contest 1 P3 - Happy Alpacas Uncategorized 7p 23.1% 130
An Animal Contest 1 P4 - Alpaca Arrays Uncategorized 10p 17.1% 86
An Animal Contest 1 P5 - Odd Alpacas Uncategorized 12p 25.6% 37
An Animal Contest 1 P6 - Alpaca Distancing Uncategorized 12p 30.3% 45
An Animal Contest 2 P0 - Koala Matchmaking Uncategorized 3 61.6% 290
An Animal Contest 2 P1 - Koala Konundrum Uncategorized 5 47.2% 216
An Animal Contest 2 P2 - Koala Party Uncategorized 5p 18.6% 170
An Animal Contest 2 P3 - Koala Balloons Uncategorized 12p 17.5% 103
An Animal Contest 2 P4 - Koala Gambling Uncategorized 12 18.4% 98
An Animal Contest 2 P5 - Koala Carnival Uncategorized 15p 32.6% 48
An Animal Contest 2 P6 - Koala Transport System Uncategorized 17p 20.9% 25
Advanced Battleships Uncategorized 15p 9.8% 17
Appleby Contest '19 P1 - Darcy's Debilitating Demands Uncategorized 3p 18.5% 220
Appleby Contest '19 P2 - The Love Letter Uncategorized 5p 30.0% 288
Appleby Contest '19 P3 - A Recursion Problem Uncategorized 5p 31.7% 130
Appleby Contest '19 P4 - Rectangles Uncategorized 7p 32.0% 147
Appleby Contest '19 P5 - Matrix Operation Uncategorized 10p 31.3% 195
Appleby Contest '20 P1 - Terrific Triangles Uncategorized 3p 22.3% 330
Appleby Contest '20 P2 - Playful Playdoughs Uncategorized 5p 22.9% 255
Appleby Contest '20 P3 - Ridiculous String Uncategorized 10p 16.6% 151
Appleby Contest '20 P4 - Philosophy Class Uncategorized 12p 14.7% 69
Appleby Contest '20 P5 - Ridiculous Tree Uncategorized 15p 20.4% 47
Another Contest 1 Problem 1 - Binary String Operations Uncategorized 25 20.4% 45
Another Contest 1 Problem 2 - Graphs Uncategorized 15 6.7% 59
Another Contest 1 Problem 3 - Poutine Uncategorized 10 10.8% 57
Another Contest 2 Problem 1 - Poutine Uncategorized 15 15.2% 83
Another Contest 2 Problem 2 - Poutine Uncategorized 10 27.7% 96
Another Contest 2 Problem 3 - Poutine Uncategorized 15 27.8% 82
Another Contest 3 Problem 1 - Diverse Arrays Uncategorized 7 20.1% 249
Another Contest 3 Problem 2 - Camelot Uncategorized 15 16.2% 60
Another Contest 3 Problem 3 - Lexicographically Largest Common Subsequence Uncategorized 7 18.9% 113
Another Contest 3 Problem 4 - Range Updates and Range Queries Uncategorized 15 42.3% 104
Another Contest 4 Problem 0 - The April Fools Warmup Problem Uncategorized 1 28.5% 329
Another Contest 4 Problem 1 - Identity Crisis Seasonal 1 32.3% 227
Another Contest 4 Problem 10 - Two Rectangles Seasonal 1 12.5% 48
Another Contest 4 Problem 11 - Three Rectangles Seasonal 1 12.5% 23
Another Contest 4 Problem 2 - The Deutsch-Jozsa Algorithm Seasonal 1 45.7% 164