Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
0-1 Sequences 94 8 9% 0.01 30 5 17%
10 Kinds of People 2501 541 22% 0.02 416 367 88%
2048 212 81 38% 0.00 82 66 80%
3D Printed Statues 27 15 56% 0.00 20 15 75%
3D Printer 5 1 20% 0.00 5 1 20%
3-Sided Dice 1 0 0% -- 1 0 0%
4 thought 6 3 50% 0.00 5 3 60%
A1 Paper 44 20 45% 0.00 23 20 87%
Aaah! 31 21 68% 0.00 20 18 90%
Abandoned Animal 2 1 50% 0.07 2 1 50%
ABC 34 17 50% 0.00 18 14 78%
Ab Initio 417 82 20% 0.09 55 38 69%
Above Average 24 16 67% 0.00 17 15 88%
A+B Problem 0 0 -- -- 0 0 --
A Brief Gerrymander 0 0 -- -- 0 0 --
Abstract Art 4 3 75% 0.04 4 3 75%
Abstract Painting 0 0 -- -- 0 0 --
Absurdistan Roads II 0 0 -- -- 0 0 --
Absurdistan Roads III 0 0 -- -- 0 0 --
Access Points 0 0 -- -- 0 0 --
A Classy Problem 964 226 23% 0.04 245 184 75%
ACM Contest Scoring 4 3 75% 0.00 3 3 100%
Add 'Em Up! 0 0 -- -- 0 0 --
Adding Words 50 11 22% 0.00 11 8 73%
A Different List Game 12 0 0% -- 2 0 0%
A Different Problem 283 132 47% 0.00 129 121 94%
Adjoin the Networks 52 18 35% 0.02 20 17 85%
Administrative Difficulties 64 25 39% 0.03 26 24 92%
Ads 653 31 5% 0.00 95 17 18%
Advanced Causal Measurements 0 0 -- -- 0 0 --
Adventure Begins 0 0 -- -- 0 0 --
Adventures in Moving -- Part IV 48 17 35% 0.00 16 16 100%
A Favourable Ending 33 24 73% 0.00 24 24 100%
A Feast For Cats 53 34 64% 0.41 29 27 93%
A Flea on a Chessboard 0 0 -- -- 0 0 --
Air Conditioned Minions 43 27 63% 0.00 27 26 96%
Airline Hub 44 18 41% 0.01 17 16 94%
Airport Coffee 0 0 -- -- 0 0 --
Airport Logistics 0 0 -- -- 0 0 --
Airports 0 0 -- -- 0 0 --
Akcija 147 89 61% 0.02 76 75 99%
Aladin 0 0 -- -- 0 0 --
Alchemy 0 0 -- -- 0 0 --
Alea iacta est 0 0 -- -- 0 0 --
Alehouse 0 0 -- -- 0 0 --
Alice in the Digital World 46 32 70% 0.01 29 28 97%
Alien Codebreaking 0 0 -- -- 0 0 --
Alien Numbers 1 1 100% 0.26 1 1 100%
A List Game 44 21 48% 0.00 19 19 100%
All about that base 0 0 -- -- 0 0 --
All Different Directions 0 0 -- -- 0 0 --
Allergy Test 0 0 -- -- 0 0 --
All Friends 0 0 -- -- 0 0 --
All is Well 0 0 -- -- 0 0 --
All Just A Dream 54 20 37% 0.11 24 19 79%
All Pairs Shortest Path 177 46 26% 0.04 34 28 82%
Almost Perfect 7 4 57% 0.01 4 4 100%
Almost Union-Find 87 27 31% 0.08 29 24 83%
Alphabet 0 0 -- -- 0 0 --
Alphabet Animals 0 0 -- -- 0 0 --
Alphabet Spam 9 7 78% 0.00 7 7 100%
Alternative Bracket Notation 0 0 -- -- 0 0 --
Altruistic Amphibians 0 0 -- -- 0 0 --
Amanda Lounges 0 0 -- -- 0 0 --
A Mazing! 654 84 13% 0.12 50 39 78%
Amazing Adventures 0 0 -- -- 0 0 --
Amazing Race 5 2 40% 1.04 2 2 100%
Ambiguous Result 0 0 -- -- 0 0 --
Amsterdam Distance 15 11 73% 0.00 10 9 90%
A Multiplication Game 2 2 100% 0.00 2 2 100%
Anagram Counting 6 2 33% 0.02 2 2 100%
Andrew the Ant 0 0 -- -- 0 0 --
A New Adventure 0 0 -- -- 0 0 --
A New Alphabet 4 4 100% 0.02 4 4 100%
An I for an Eye 0 0 -- -- 0 0 --
Animal Classification 0 0 -- -- 0 0 --
An Industrial Spy 26 21 81% 0.02 21 20 95%
Another Brick in the Wall 115 68 59% 0.00 68 65 96%
Another Candies 4 2 50% 0.01 2 2 100%
Another Dice Game 0 0 -- -- 0 0 --
Another Query on Array Problem 1 1 100% 0.07 1 1 100%
Antenna Placement 47 28 60% 0.00 29 26 90%
Anthony and Cora 19 0 0% -- 1 0 0%
Anthony and Diablo 1 1 100% 0.00 1 1 100%
Antiarithmetic? 0 0 -- -- 0 0 --
Ants 2 2 100% 0.03 2 2 100%
Apaxiaaaaaaaaaaaans! 281 184 65% 0.00 175 168 96%
Apostrophe Catastrophe 0 0 -- -- 0 0 --
Appalling Architecture 0 0 -- -- 0 0 --
Apparatus 0 0 -- -- 0 0 --
Apple Market 0 0 -- -- 0 0 --
Apples, Cherries, and Mangos 0 0 -- -- 0 0 --
A Prize No One Can Win 203 74 36% 0.01 56 49 88%
Aquarium Tank 0 0 -- -- 0 0 --
Aqueduct Construction 13 9 69% 0.01 9 8 89%
A Question of Ingestion 56 22 39% 0.00 22 21 95%
Arable Area 0 0 -- -- 0 0 --
Arachnophobia 0 0 -- -- 0 0 --
A Random Problem 1 0 0% -- 1 0 0%
A Rational Sequence 42 15 36% 0.00 15 11 73%