Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
0-1 Sequences 32 6 19% 0.01 5 3 60%
10 Kinds of People 145 53 37% 0.02 34 31 91%
2048 22 19 86% 0.00 11 11 100%
3D Printed Statues 9 8 89% 0.00 8 8 100%
3D Printer 1 1 100% 0.00 1 1 100%
3-Sided Dice 0 0 -- -- 0 0 --
4 thought 3 2 67% 0.00 2 2 100%
A1 Paper 33 18 55% 0.00 19 18 95%
Aaah! 9 7 78% 0.00 7 7 100%
Abandoned Animal 2 1 50% 0.07 2 1 50%
ABC 7 6 86% 0.00 5 5 100%
Above Average 11 9 82% 0.00 9 9 100%
A+B Problem 0 0 -- -- 0 0 --
A Brief Gerrymander 0 0 -- -- 0 0 --
Abstract Art 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 346 97 28% 0.04 97 78 80%
ACM Contest Scoring 1 1 100% 0.00 1 1 100%
Adding Words 31 5 16% 0.00 4 3 75%
A Different List Game 1 0 0% -- 1 0 0%
A Different Problem 32 26 81% 0.00 26 26 100%
Adjoin the Networks 45 16 36% 0.02 17 15 88%
Administrative Difficulties 53 21 40% 0.03 24 21 88%
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 28 19 68% 0.41 17 16 94%
Air Conditioned Minions 35 22 63% 0.00 22 21 95%
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 3 3 100% 0.03 3 3 100%
Aladin 0 0 -- -- 0 0 --
Alchemy 0 0 -- -- 0 0 --
Alea iacta est 0 0 -- -- 0 0 --
Alice in the Digital World 45 31 69% 0.01 28 27 96%
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 Just A Dream 40 18 45% 0.11 21 18 86%
All Pairs Shortest Path 95 31 33% 0.04 19 18 95%
Almost Perfect 4 2 50% 0.01 2 2 100%
Almost Union-Find 51 22 43% 0.08 25 21 84%
Alphabet 0 0 -- -- 0 0 --
Alphabet Spam 2 2 100% 0.00 2 2 100%
Alternative Bracket Notation 0 0 -- -- 0 0 --
Altruistic Amphibians 0 0 -- -- 0 0 --
Amanda Lounges 0 0 -- -- 0 0 --
A Mazing! 0 0 -- -- 0 0 --
Amazing Adventures 0 0 -- -- 0 0 --
Amazing Race 0 0 -- -- 0 0 --
Ambiguous Result 0 0 -- -- 0 0 --
Amsterdam Distance 0 0 -- -- 0 0 --
A Multiplication Game 0 0 -- -- 0 0 --
Anagram Counting 5 1 20% 0.02 1 1 100%
Andrew the Ant 0 0 -- -- 0 0 --
A New Alphabet 1 1 100% 0.02 1 1 100%
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 1 1 100% 0.00 1 1 100%
Another Candies 3 1 33% 0.01 1 1 100%
Another Dice Game 0 0 -- -- 0 0 --
Another Query on Array Problem 1 1 100% 0.07 1 1 100%
Antenna Placement 0 0 -- -- 0 0 --
Anthony and Cora 0 0 -- -- 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! 5 5 100% 0.00 5 5 100%
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 0 0 -- -- 0 0 --
Aquarium Tank 0 0 -- -- 0 0 --
Aqueduct Construction 13 9 69% 0.01 9 8 89%
A Question of Ingestion 50 20 40% 0.00 21 20 95%
Arable Area 0 0 -- -- 0 0 --
Arachnophobia 0 0 -- -- 0 0 --
A Random Problem 1 0 0% -- 1 0 0%
A Rational Sequence 26 12 46% 0.00 9 8 89%
A Rational Sequence 2 296 208 70% 0.00 193 190 98%
A Rational Sequence (Take 3) 8 8 100% 0.00 8 8 100%
Arbitrage? 39 20 51% 0.04 18 17 94%
Arcade! 0 0 -- -- 0 0 --
Arctic Network 0 0 -- -- 0 0 --
A Real Challenge 0 0 -- -- 0 0 --
Area of Effect 0 0 -- -- 0 0 --
Are You Listening? 4 3 75% 0.00 3 3 100%
Arithmetic 1 1 100% 0.02 1 1 100%
Army Strength (Easy) 5 4 80% 0.00 4 4 100%