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! 452 123 27% 0.10 33 24 73%
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 265 74 28% 0.00 49 41 84%
Basin City Surveillance 64 3 5% 0.06 5 3 60%
Bing It On 153 57 37% 0.01 40 37 92%
Birthday Party 396 87 22% 0.00 39 31 79%
Blackboard Numbers 61 18 30% 0.09 13 12 92%
Black Friday 2 1 50% 0.02 1 1 100%
Bless You Autocorrect! 0 0 -- -- 0 0 --
Board Wrapping 258 57 22% 0.01 37 37 100%
Bobbin Hood 213 29 14% 0.40 22 18 82%
Brexit 765 134 18% 0.06 49 39 80%
Building Fences 180 20 11% 0.00 17 14 82%
Cat vs. Dog 20 11 55% 0.01 10 9 90%
Clock Pictures 6 1 17% 0.11 2 1 50%
Closest Pair 176 25 14% 0.22 17 11 65%
Coast Length 142 33 23% 0.03 20 18 90%
Code Theft 6 5 83% 0.18 2 2 100%
Coloring Graphs 396 84 21% 0.00 41 40 98%
Cover up 0 0 -- -- 0 0 --
Cryptographer's Conundrum 0 0 -- -- 0 0 --
Distributing Ballot Boxes 659 144 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 115 22 19% 0.49 17 15 88%
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 284 76 27% 0.00 27 27 100%
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 185 28 15% 0.01 20 15 75%
Hiding Chickens 357 61 17% 0.01 32 28 88%
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? 247 59 24% 0.00 38 38 100%
I Hate The Number Nine 144 45 31% 0.00 36 36 100%
Imperfect GPS 326 72 22% 0.00 49 49 100%
Integer Estate Agent 12 1 8% 0.04 2 1 50%
Island Hopping 205 91 44% 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 201 63 31% 0.00 43 41 95%
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 395 93 24% 0.00 55 54 98%
Pebble Solitaire 31 20 65% 0.01 9 9 100%
Pesky Mosquitoes 32 10 31% 0.00 8 7 88%
Phone List 69 31 45% 0.10 17 17 100%
Pinball 0 0 -- -- 0 0 --
Pivot 273 126 46% 0.00 56 56 100%
Pizza Crust 58 31 53% 0.00 26 24 92%
Pizza Hawaii 0 0 -- -- 0 0 --
Power Strings 219 47 21% 0.12 34 31 91%
Prime Path 40 27 68% 0.00 14 14 100%
Radio Commercials 0 0 -- -- 0 0 --
Ragged Right 0 0 -- -- 0 0 --
Repeated Substrings 4 1 25% 0.80 2 1 50%
Restaurant Orders 0 0 -- -- 0 0 --
Risk 39 2 5% 0.32 3 2 67%
Robert Hood 195 34 17% 0.02 18 16 89%
Rubik's Revenge in ... 2D!? 3D? 131 31 24% 0.59 18 14 78%
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 427 72 17% 0.00 38 37 97%
Spiderman's Workout 117 22 19% 0.00 16 14 88%
Square Fields (Hard) 30 3 10% 0.01 3 2 67%
String Matching 64 16 25% 0.02 15 12 80%
Supercomputer 181 79 44% 0.03 48 48 100%
Take Two Stones 143 107 75% 0.00 81 81 100%
The Citrus Intern 411 122 30% 0.02 52 51 98%
The King of the North 118 17 14% 0.15 13 10 77%
The Mailbox Manufacturers Problem 0 0 -- -- 0 0 --
Toll 28 1 4% 0.12 3 1 33%