Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
0-1 Sequences 6 1 17% 0.35 2 1 50%
10 Kinds of People 70 20 29% 0.17 9 5 56%
2048 33 19 58% 0.00 19 13 68%
2D Tic-tac-toe 31340 28249 90% 0.00 1063 1059 100%
3D Printed Statues 1 0 0% -- 1 0 0%
3D Printer 1 1 100% 0.00 1 1 100%
3D Tic-Tac-Toe 53801 39955 74% 0.00 845 829 98%
3-Sided Dice 193 11 6% 0.00 27 7 26%
4 thought 40 15 38% 0.02 10 5 50%
A1 Paper 579 97 17% 0.00 58 42 72%
Aaah! 1043 518 50% 0.00 208 189 91%
Abandoned Animal 10 4 40% 0.04 4 4 100%
ABC 239 101 42% 0.00 55 50 91%
Above Average 27 10 37% 0.00 10 9 90%
A+B Problem 0 0 -- -- 0 0 --
A Brief Gerrymander 323 64 20% 0.12 35 14 40%
Abstract Art 0 0 -- -- 0 0 --
Absurdistan Roads II 89 50 56% 0.00 15 9 60%
Absurdistan Roads III 29 11 38% 0.05 9 7 78%
A Classy Problem 179 68 38% 0.02 30 26 87%
ACM Contest Scoring 4 4 100% 0.00 4 4 100%
Adding Words 72 10 14% 0.00 10 6 60%
A Different List Game 372 38 10% 0.00 58 15 26%
A Different Problem 5842 2108 36% 0.00 1801 1653 92%
Adjoin the Networks 19 11 58% 0.00 6 6 100%
Administrative Difficulties 32 5 16% 0.06 12 5 42%
Advanced Causal Measurements 2 1 50% 0.24 1 1 100%
Adventure Begins 0 0 -- -- 0 0 --
Adventures in Moving -- Part IV 297 69 23% 0.00 50 44 88%
A Favourable Ending 0 0 -- -- 0 0 --
A Feast For Cats 37 16 43% 0.61 5 4 80%
Air Conditioned Minions 0 0 -- -- 0 0 --
Airline Hub 874 237 27% 0.01 115 83 72%
Airport Coffee 0 0 -- -- 0 0 --
Airport Logistics 0 0 -- -- 0 0 --
Airports 0 0 -- -- 0 0 --
Akcija 41 20 49% 0.02 15 14 93%
Akvariet 1230 406 33% 0.00 339 322 95%
Aladin 33 0 0% -- 6 0 0%
Alchemy 0 0 -- -- 0 0 --
Alea iacta est 6 3 50% 0.34 4 3 75%
Alice in the Digital World 33 11 33% 0.03 12 11 92%
Alien Codebreaking 0 0 -- -- 0 0 --
Alien Numbers 118 67 57% 0.00 43 40 93%
A List Game 478 177 37% 0.00 121 108 89%
All about that base 1 1 100% 0.03 1 1 100%
All Different Directions 1 1 100% 0.07 1 1 100%
Allergy Test 40 9 22% 0.05 12 7 58%
All Friends 293 56 19% 0.01 41 27 66%
All Just A Dream 401 97 24% 0.05 50 42 84%
All Pairs Shortest Path 2647 505 19% 0.02 255 154 60%
Almanackan 821 276 34% 0.00 207 194 94%
Almost Perfect 1 1 100% 0.07 1 1 100%
Almost Union-Find 1368 115 8% 0.02 145 49 34%
Alphabet 0 0 -- -- 0 0 --
Alphabet Spam 2261 1178 52% 0.00 180 168 93%
Alternativ Balansering 49 22 45% 0.00 16 14 88%
Alternative Bracket Notation 0 0 -- -- 0 0 --
Altruistic Amphibians 0 0 -- -- 0 0 --
Amanda Lounges 13 2 15% 0.10 5 2 40%
A Mazing! 0 0 -- -- 0 0 --
Amazing Race 53 6 11% 1.43 8 3 38%
Ambiguous Result 21 5 24% 0.08 9 5 56%
Amsterdam Distance 0 0 -- -- 0 0 --
A Multiplication Game 23 7 30% 0.00 10 7 70%
Anagram Counting 8 5 62% 0.01 5 5 100%
Andrew the Ant 12 4 33% 0.06 4 4 100%
A New Alphabet 0 0 -- -- 0 0 --
An I for an Eye 0 0 -- -- 0 0 --
Animal Classification 137 29 21% 0.06 14 10 71%
An Industrial Spy 100 54 54% 0.04 41 37 90%
Another Brick in the Wall 1 1 100% 0.00 1 1 100%
Another Candies 75 37 49% 0.01 32 29 91%
Another Dice Game 8 6 75% 0.00 4 4 100%
Another Query on Array Problem 0 0 -- -- 0 0 --
Anthony and Cora 0 0 -- -- 0 0 --
Anthony and Diablo 0 0 -- -- 0 0 --
Antiarithmetic? 64 4 6% 0.15 23 4 17%
Ants 193 91 47% 0.01 53 43 81%
Apaxiaaaaaaaaaaaans! 65 19 29% 0.00 15 14 93%
Apparatus 82 26 32% 0.02 21 17 81%
Apple Market 0 0 -- -- 0 0 --
Apples, Cherries, and Mangos 0 0 -- -- 0 0 --
Aquarium Tank 0 0 -- -- 0 0 --
Aqueduct Construction 2 1 50% 0.06 2 1 50%
A Question of Ingestion 0 0 -- -- 0 0 --
Arable Area 46 10 22% 0.29 8 3 38%
Arachnophobia 0 0 -- -- 0 0 --
A Random Problem 0 0 -- -- 0 0 --
A Rational Sequence 1 1 100% 0.01 1 1 100%
A Rational Sequence 2 0 0 -- -- 0 0 --
A Rational Sequence (Take 3) 0 0 -- -- 0 0 --
Arbitrage? 64 10 16% 0.03 11 7 64%
Arcade! 0 0 -- -- 0 0 --
Arctic Network 193 62 32% 0.01 51 41 80%
A Real Challenge 5 5 100% 0.00 5 5 100%
Area of Effect 0 0 -- -- 0 0 --
Are You Listening? 0 0 -- -- 0 0 --
Arithmetic 0 0 -- -- 0 0 --
Army Strength (Easy) 150 109 73% 0.00 39 35 90%