Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
Aaah! 131 52 40% 0.00 47 42 89%
Adding Words 91 21 23% 0.01 21 16 76%
A Different Problem 111 35 32% 0.00 45 32 71%
All Just A Dream 16 2 12% 1.29 3 2 67%
Almost Union-Find 327 2 1% 0.40 43 2 5%
Amanda Lounges 0 0 -- -- 0 0 --
Arctic Network 157 32 20% 0.01 31 25 81%
A Vicious Pikeman (Easy) 74 16 22% 0.00 15 15 100%
A Vicious Pikeman (Hard) 6 1 17% 0.19 3 1 33%
Bachet's Game 190 81 43% 0.14 66 64 97%
Bank Queue 401 94 23% 0.00 85 76 89%
Beat the Spread! 17 4 24% 0.00 5 4 80%
Biased Standings 13 5 38% 0.27 9 5 56%
Billiard 68 49 72% 0.00 45 45 100%
Bing It On 26 16 62% 0.20 14 14 100%
Birds on a Wire 90 13 14% 0.00 22 13 59%
Black Friday 0 0 -- -- 0 0 --
Block Crusher 3 0 0% -- 1 0 0%
Board Wrapping 9 2 22% 0.02 3 2 67%
Booking 136 21 15% 0.28 17 14 82%
Bowlstack 0 0 -- -- 0 0 --
Breaking Bad 205 82 40% 0.06 63 61 97%
Build Dependencies 31 12 39% 0.47 10 9 90%
Building Fences 18 5 28% 0.01 5 4 80%
Burrows-Wheeler 27 14 52% 1.16 11 8 73%
Bus Numbers 27 10 37% 0.00 10 10 100%
Button Bashing 22 9 41% 0.01 6 6 100%
Calories From Fat 81 40 49% 0.00 32 31 97%
Candy Division 139 2 1% 0.01 37 2 5%
Cantina of Babel 4 4 100% 0.00 4 4 100%
Cat Coat Colors 1 1 100% 0.03 1 1 100%
Catering 0 0 -- -- 0 0 --
Cat vs. Dog 103 18 17% 0.09 17 14 82%
CD 699 137 20% 0.47 82 79 96%
Chasing Subs 0 0 -- -- 0 0 --
Chess 136 33 24% 0.00 31 24 77%
Clock Pictures 21 2 10% 0.19 5 2 40%
Closest Sums 32 9 28% 0.02 13 9 69%
Closing the Loop 59 35 59% 0.00 34 34 100%
Coast Length 196 47 24% 0.04 36 34 94%
Cold-puter Science 14 11 79% 0.00 10 10 100%
Collatz Conjecture 129 19 15% 0.01 18 16 89%
Coloring Socks 29 10 34% 0.04 13 9 69%
Cookie Selection 231 36 16% 0.17 28 19 68%
Counting Stars 94 26 28% 0.00 36 26 72%
Counting Subsequences (Hard) 241 66 27% 0.16 48 39 81%
Cross 11 2 18% 0.00 3 2 67%
Cryptographer's Conundrum 1 1 100% 0.00 1 1 100%
Cycles (Hard) 0 0 -- -- 0 0 --
Deduplicating Files 29 15 52% 0.04 15 12 80%
Digital display 63 13 21% 0.00 13 11 85%
Digit Sum 70 7 10% 0.00 22 6 27%
Distributing Ballot Boxes 31 8 26% 0.12 7 5 71%
Dominoes 2 438 88 20% 0.01 83 80 96%
Dominos 558 66 12% 0.12 67 48 72%
Doorman 135 66 49% 0.00 72 64 89%
Dvaput 130 39 30% 0.44 40 35 88%
Eight Queens 481 102 21% 0.00 87 83 95%
Elementary Math 26 5 19% 0.01 5 5 100%
Engineering English 10 6 60% 0.04 6 6 100%
Equal Sums (Easy) 8 6 75% 0.01 6 6 100%
Equilibrium Mobile 0 0 -- -- 0 0 --
Erase Securely 13 8 62% 0.00 8 7 88%
Exact Change 452 89 20% 0.01 75 66 88%
Factovisors 0 0 -- -- 0 0 --
Factstone Benchmark 1 0 0% -- 1 0 0%
Falling Mugs 145 21 14% 0.00 22 17 77%
False Sense of Security 0 0 -- -- 0 0 --
Fence Orthogonality 0 0 -- -- 0 0 --
Finding Lines 0 0 -- -- 0 0 --
Fire Station 37 4 11% 0.14 4 3 75%
Flag Quiz 5 0 0% -- 2 0 0%
Flexible Spaces 26 17 65% 0.00 16 15 94%
Flip Five 3 1 33% 0.01 1 1 100%
Fractal 0 0 -- -- 0 0 --
Freckles 340 110 32% 0.44 73 66 90%
Frosh Week 21 11 52% 0.79 7 5 71%
Fruit Baskets 50 12 24% 0.00 9 7 78%
Game Strategy 0 0 -- -- 0 0 --
Get Shorty 330 85 26% 0.08 53 45 85%
Getting Gold 6 5 83% 0.00 5 5 100%
Gokigen Naname 2 1 50% 0.22 1 1 100%
Gopher II 305 62 20% 0.01 55 49 89%
Growling Gears 11 4 36% 0.00 5 4 80%
Guess the Number 153 33 22% 0.00 37 33 89%
Hay Points 175 94 54% 0.06 80 79 99%
Hello World! 85 53 62% 0.00 45 43 96%
Holey N-Queens (Batman) 0 0 -- -- 0 0 --
Horror List 44 6 14% 0.00 16 6 38%
How Many Digits? 50 17 34% 0.06 14 14 100%
I Can Guess the Data Structure! 277 77 28% 0.01 65 63 97%
Imperial Measurement 30 8 27% 0.00 8 7 88%
In Or Out 33 12 36% 0.00 12 9 75%
Intercept 14 1 7% 0.15 3 1 33%
Island Hopping 0 0 -- -- 0 0 --
Jabuke 82 35 43% 0.00 36 32 89%
Jailbreak 0 0 -- -- 0 0 --
Just A Few More Triangles! 3 1 33% 0.97 2 1 50%
Kastenlauf 365 72 20% 0.00 79 66 84%
Kemija 96 55 57% 0.00 52 52 100%