Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio
0-1 Sequences 62 6 10% 0.01 22 3 14%
10 Kinds of People 234 74 32% 0.02 70 50 71%
2048 49 22 45% 0.00 23 14 61%
3D Printed Statues 22 12 55% 0.00 17 12 71%
3D Printer 5 1 20% 0.00 5 1 20%
3-Sided Dice 1 0 0% -- 1 0 0%
4 thought 4 2 50% 0.00 3 2 67%
A1 Paper 44 20 45% 0.00 23 20 87%
Aaah! 23 15 65% 0.00 16 14 88%
Abandoned Animal 2 1 50% 0.07 2 1 50%
ABC 30 14 47% 0.00 14 11 79%
Ab Initio 210 41 20% 0.12 35 26 74%
Above Average 19 14 74% 0.00 14 13 93%
A+B Problem 0 0 -- -- 0 0 --
A Brief Gerrymander 0 0 -- -- 0 0 --
Abstract Art 4 3 75% 0.04 4 3 75%
Absurdistan Roads II 0 0 -- -- 0 0 --
Absurdistan Roads III 0 0 -- -- 0 0 --
Access Points 0 0 -- -- 0 0 --
A Classy Problem 625 177 28% 0.04 183 146 80%
ACM Contest Scoring 2 2 100% 0.00 2 2 100%
Adding Words 45 11 24% 0.00 10 8 80%
A Different List Game 1 0 0% -- 1 0 0%
A Different Problem 39 29 74% 0.00 29 29 100%
Adjoin the Networks 45 16 36% 0.02 17 15 88%
Administrative Difficulties 60 24 40% 0.03 25 23 92%
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 42 26 62% 0.00 26 25 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 6 6 100% 0.03 5 5 100%
Aladin 0 0 -- -- 0 0 --
Alchemy 0 0 -- -- 0 0 --
Alea iacta est 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 Just A Dream 52 20 38% 0.11 22 19 86%
All Pairs Shortest Path 104 33 32% 0.04 21 20 95%
Almost Perfect 5 3 60% 0.01 3 3 100%
Almost Union-Find 73 25 34% 0.08 26 22 85%
Alphabet 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! 0 0 -- -- 0 0 --
Amazing Adventures 0 0 -- -- 0 0 --
Amazing Race 0 0 -- -- 0 0 --
Ambiguous Result 0 0 -- -- 0 0 --
Amsterdam Distance 15 11 73% 0.00 10 9 90%
A Multiplication Game 1 1 100% 0.00 1 1 100%
Anagram Counting 5 1 20% 0.02 1 1 100%
Andrew the Ant 0 0 -- -- 0 0 --
A New Alphabet 2 2 100% 0.02 2 2 100%
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 3 3 100% 0.00 2 2 100%
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! 9 9 100% 0.00 9 9 100%
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 1 1 100% 0.02 1 1 100%
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 36 14 39% 0.00 14 10 71%
A Rational Sequence 2 346 247 71% 0.00 225 220 98%
A Rational Sequence (Take 3) 10 10 100% 0.00 10 10 100%
Arbitrage? 39 20 51% 0.04 18 17 94%
Arcade! 0 0 -- -- 0 0 --
Arctic Network 0 0 -- -- 0 0 --
A Real Challenge 1 1 100% 0.00 1 1 100%
Area of Effect 0 0 -- -- 0 0 --
Are You Listening? 4 3 75% 0.00 3 3 100%