Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
A Different Problem 88 32 36% 0.00 30 28 93%
Allergy Test 65 40 62% 0.00 9 7 78%
Amanda Lounges 151 17 11% 0.14 14 11 79%
A Mazing! 450 121 27% 0.10 32 22 69%
An Industrial Spy 45 24 53% 0.05 13 9 69%
Arctic Network 44 16 36% 0.02 13 11 85%
Ascending Photo 0 0 -- -- 0 0 --
A Walk Through The Forest 50 19 38% 0.37 11 9 82%
Bard 262 72 27% 0.00 49 41 84%
Basin City Surveillance 61 2 3% 0.06 5 2 40%
Bing It On 31 7 23% 0.66 2 2 100%
Birthday Party 396 87 22% 0.00 39 31 79%
Blackboard Numbers 18 3 17% 0.24 2 2 100%
Black Friday 2 1 50% 0.02 1 1 100%
Bless You Autocorrect! 0 0 -- -- 0 0 --
Board Wrapping 5 2 40% 0.21 1 1 100%
Bobbin Hood 212 28 13% 0.40 21 17 81%
Brexit 765 134 18% 0.06 49 39 80%
Building Fences 180 20 11% 0.00 17 14 82%
Cat vs. Dog 1 0 0% -- 1 0 0%
Closest Pair 0 0 -- -- 0 0 --
Coast Length 142 33 23% 0.03 20 18 90%
Code Theft 6 5 83% 0.18 2 2 100%
Coloring Graphs 352 71 20% 0.00 38 37 97%
Cover up 0 0 -- -- 0 0 --
Cryptographer's Conundrum 0 0 -- -- 0 0 --
Distributing Ballot Boxes 658 143 22% 0.08 58 53 91%
Divisible Subsequences 38 16 42% 0.02 9 9 100%
Elementary Math 97 22 23% 0.00 17 16 94%
Erase Securely 8 2 25% 0.00 3 2 67%
Factor-Free Tree 0 0 -- -- 0 0 --
Factovisors 0 0 -- -- 0 0 --
Falling Mugs 0 0 -- -- 0 0 --
False Sense of Security 0 0 -- -- 0 0 --
Fence Orthogonality 0 0 -- -- 0 0 --
Full Tank? 161 23 14% 0.09 18 12 67%
Get Shorty 66 19 29% 0.07 16 15 94%
Getting Gold 249 69 28% 0.00 53 52 98%
Glyph Recognition 283 75 27% 0.00 26 26 100%
Gokigen Naname 21 9 43% 0.01 3 3 100%
Guess the Number 508 88 17% 0.00 66 61 92%
Hello World! 5 2 40% 0.00 2 2 100%
Hidden Camera 183 27 15% 0.01 20 15 75%
Hiding Chickens 96 27 28% 0.01 11 7 64%
Hole in One 14 1 7% 0.00 1 1 100%
Holey N-Queens (Batman) 41 34 83% 0.19 16 16 100%
Hotels 2 0 0% -- 1 0 0%
How Many Digits? 19 8 42% 0.04 6 5 83%
I Hate The Number Nine 16 4 25% 0.00 6 4 67%
Imperfect GPS 326 72 22% 0.00 49 49 100%
Integer Estate Agent 12 1 8% 0.04 2 1 50%
Island Hopping 204 91 45% 0.03 51 50 98%
Jabuke 25 18 72% 0.00 17 17 100%
Key to Knowledge 0 0 -- -- 0 0 --
Knockout Tournament 12 5 42% 0.03 5 3 60%
Map Colouring 186 56 30% 0.00 40 37 92%
Maximizing (And Minimizing) Your Winnings 169 61 36% 0.12 38 36 95%
Mega Inversions 40 13 32% 0.02 11 10 91%
Memory Game 60 16 27% 0.00 14 9 64%
Money Matters 87 25 29% 0.01 16 16 100%
Mountain Village 46 4 9% 0.28 6 3 50%
Movie collection 81 20 25% 0.07 14 13 93%
Muzicari 320 63 20% 0.01 43 42 98%
Narrow Art Gallery 0 0 -- -- 0 0 --
Nested Dolls 269 28 10% 0.07 34 13 38%
N-Puzzle 0 0 -- -- 0 0 --
Oddities 199 88 44% 0.00 66 66 100%
Outing 46 10 22% 0.00 10 9 90%
Overlapping Maps 0 0 -- -- 0 0 --
Paintball 132 33 25% 0.01 21 18 86%
Pebble Solitaire 31 20 65% 0.01 9 9 100%
Pesky Mosquitoes 31 9 29% 0.00 7 6 86%
Phone List 69 31 45% 0.10 17 17 100%
Pinball 0 0 -- -- 0 0 --
Pivot 268 124 46% 0.00 56 56 100%
Pizza Crust 58 31 53% 0.00 26 24 92%
Pizza Hawaii 0 0 -- -- 0 0 --
Power Strings 8 4 50% 0.12 2 2 100%
Prime Path 40 27 68% 0.00 14 14 100%
Radio Commercials 0 0 -- -- 0 0 --
Ragged Right 0 0 -- -- 0 0 --
Repeated Substrings 0 0 -- -- 0 0 --
Restaurant Orders 0 0 -- -- 0 0 --
Risk 0 0 -- -- 0 0 --
Robert Hood 194 33 17% 0.02 17 15 88%
Rubik's Revenge in ... 2D!? 3D? 128 29 23% 0.59 18 13 72%
Seven Wonders 142 71 50% 0.00 64 64 100%
SierpiƄski Circumference 0 0 -- -- 0 0 --
Simple Polygon 107 40 37% 0.01 15 15 100%
Speedy Escape 425 71 17% 0.00 38 37 97%
Spiderman's Workout 117 22 19% 0.00 16 14 88%
Square Fields (Hard) 2 1 50% 0.03 2 1 50%
Supercomputer 175 75 43% 0.03 48 48 100%
Take Two Stones 142 106 75% 0.00 81 81 100%
The Citrus Intern 206 68 33% 0.04 23 22 96%
The King of the North 22 5 23% 0.48 4 2 50%
The Mailbox Manufacturers Problem 0 0 -- -- 0 0 --
Toll 28 1 4% 0.12 3 1 33%
Train Sorting 323 45 14% 0.00 36 27 75%
Treasure Diving 0 0 -- -- 0 0 --