Problems

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Name Total Acc. Ratio Fastest   Total Acc. Ratio Difficulty
0-1 Sequences 14130 2246 16% 0.00 2917 1560 53% 5.9
1's For All 734 143 19% 0.00 150 93 62% 6.6
2048 12348 5569 45% 0.00 5427 4609 85% 2.4
3D Printed Statues 16831 7743 46% 0.00 7322 6542 89% 1.9
3D Printer 1144 183 16% 0.00 504 137 27% 9.0
3-Sided Dice 3090 251 8% 0.00 518 178 34% 8.7
4 thought 14299 4974 35% 0.00 4727 3993 84% 2.8
99 Problems 374 215 57% 0.00 211 202 96% 1.6
A1 Paper 7561 2345 31% 0.00 2325 1866 80% 3.3
Aaah! 40491 18952 47% 0.00 17172 16006 93% 1.6
ABC 23497 10685 45% 0.00 10186 9234 91% 1.9
Above Average 16229 6642 41% 0.00 6411 5736 89% 2.2
Abridged Reading 295 114 39% 0.00 111 87 78% 5.3
Abstract Art 473 156 33% 0.00 133 96 72% 7.1
Abstract Painting 1344 521 39% 0.00 458 362 79% 4.5
Absurdistan Roads II 724 244 34% 0.00 248 164 66% 6.9
ACM Contest Scoring 9469 5935 63% 0.00 5328 5034 94% 1.6
Adding Words 17062 4275 25% 0.00 3905 3077 79% 3.6
Add Two Numbers 9531 6002 63% 0.00 5535 5310 96% 1.3
A Different List Game 7844 552 7% 0.00 1051 201 19% 9.3
A Different Problem 45812 16865 37% 0.00 15500 13407 86% 2.6
Adjoin the Networks 2990 758 25% 0.00 662 527 80% 5.9
Ads 1061 158 15% 0.00 212 98 46% 5.0
Adventures in Moving -- Part IV 1871 415 22% 0.00 362 295 81% 5.0
A Favourable Ending 2342 630 27% 0.00 585 451 77% 4.7
A Feast For Cats 4259 1592 37% 0.00 1171 1013 87% 3.3
Air Conditioned Minions 8774 2615 30% 0.00 2581 2023 78% 3.4
Airport Logistics 79 23 29% 0.00 29 21 72% 7.3
Akcija 13973 6146 44% 0.00 5099 4569 90% 2.0
Alex and Barb 1699 626 37% 0.00 713 567 80% 3.4
Alien Integers 1554 309 20% 0.00 395 282 71% 5.6
Alien Microwave 295 112 38% 0.00 147 105 71% 6.6
Alien Numbers 3266 1762 54% 0.00 1734 1591 92% 1.9
A List Game 12526 3768 30% 0.00 3656 3097 85% 3.0
All about that base 3604 1464 41% 0.00 1417 1211 85% 2.7
All Different Directions 1889 913 48% 0.00 865 781 90% 2.3
Allergy Test 700 187 27% 0.00 233 122 52% 7.8
All Friends 1293 245 19% 0.00 230 125 54% 8.7
All in the Family 218 45 21% 0.00 65 43 66% 5.1
All Kill 144 110 76% 0.00 64 56 88% 2.7
Alloys 1157 395 34% 0.00 421 346 82% 3.8
All Pairs Shortest Path 15685 3008 19% 0.00 1893 1372 72% 5.4
Almost Perfect 14982 3409 23% 0.00 3430 2745 80% 3.3
Alphabet 3178 1622 51% 0.00 1548 1311 85% 3.0
Alphabet Animals 10788 1917 18% 0.00 1602 1129 70% 5.2
Alphabet Spam 12491 7854 63% 0.00 6676 6421 96% 1.4
Alternating Current 723 702 97% 0.00 132 126 95% 1.4 - 8.4
Alternative Anagram 279 89 32% 0.00 83 59 71% 7.3
Alternative Bracket Notation 248 107 43% 0.00 114 94 82% 5.3
Alto Singing 139 55 40% 0.00 55 50 91% 3.8
Amsterdam Distance 2706 1363 50% 0.00 1334 1153 86% 2.6
A Multiplication Game 1632 660 40% 0.00 714 558 78% 4.2
Anagram Counting 5302 2100 40% 0.00 2052 1723 84% 3.1
A New Adventure 1674 243 15% 0.00 239 169 71% 6.3
A New Alphabet 15552 7110 46% 0.00 6635 6117 92% 1.7
An I for an Eye 1566 489 31% 0.00 554 424 77% 4.2
Another Brick in the Wall 5049 2580 51% 0.00 2527 2301 91% 2.0
Another Candies 11766 3316 28% 0.00 3337 2806 84% 2.7
Another Coin Weighing Puzzle 814 232 29% 0.00 156 126 81% 6.6
Another Dice Game 155 92 59% 0.00 93 78 84% 4.6
Antenna Placement 244 96 39% 0.00 79 58 73% 7.7
Anthony and Cora 1337 333 25% 0.00 381 266 70% 5.6
Anthony and Diablo 4834 1785 37% 0.00 1819 1584 87% 2.6
Ants 5620 2629 47% 0.00 2058 1827 89% 2.3
Apaxiaaaaaaaaaaaans! 20558 12465 61% 0.00 11153 10651 95% 1.3
Apostrophe Catastrophe 149 39 26% 0.00 39 26 67% 6.6
Appalling Architecture 948 288 30% 0.00 258 216 84% 4.3
A Prize No One Can Win 6698 2226 33% 0.00 1851 1648 89% 2.2
Aquarium Tank 621 184 30% 0.00 181 140 77% 5.5
A Question of Ingestion 2254 512 23% 0.00 471 360 76% 5.8
A Random Problem 405 106 26% 0.00 96 69 72% 6.8
A Rank Problem 425 229 54% 0.00 228 206 90% 2.5
A Rational Sequence 2276 793 35% 0.00 833 614 74% 5.3
A Rational Sequence 2 3002 2237 75% 0.00 1967 1889 96% 1.5
A Rational Sequence (Take 3) 1539 1241 81% 0.00 1050 1007 96% 1.7
Arboriculture 65 41 63% 0.00 22 20 91% 4.5 - 7.8
Archimedes 41 9 22% 0.00 10 8 80% 4.6
Architecture 584 313 54% 0.00 293 264 90% 2.6
Arctic Network 3243 1089 34% 0.00 824 681 83% 4.7
A Real Challenge 12529 6236 50% 0.00 5910 5567 94% 1.5
Are You Listening? 3225 1085 34% 0.00 1021 929 91% 2.3
Arithmetic 4481 1337 30% 0.00 1361 1070 79% 4.2
Arithmetic Decoding 363 202 56% 0.00 171 162 95% 2.3
Arithmetic Functions 643 391 61% 0.00 397 375 94% 1.7
Arm Coordination 541 402 74% 0.00 345 335 97% 1.7
ARMPIT Computations 25 14 56% 0.00 13 11 85% 5.2
Army Strength (Easy) 4868 2474 51% 0.00 2319 2089 90% 2.1
Around and Around We Go 60 16 27% 0.00 28 15 54% 7.3
Around the Track 310 40 13% 0.00 68 30 44% 9.4
Arrangement 1582 1324 84% 0.00 1146 1115 97% 1.2 - 1.6
Array of Discord 4365 912 21% 0.00 803 603 75% 4.8
Array Smoothening 949 915 96% 0.00 237 237 100% 1.3 - 3.0
ASCII Addition 1687 1023 61% 0.00 930 878 94% 1.8
ASCII Figure Rotation 2742 920 34% 0.00 960 812 85% 3.4
As Easy as CAB 1472 147 10% 0.00 313 117 37% 8.9
Aspen Avenue 2442 679 28% 0.00 477 317 66% 6.7
Association for Computing Machinery 3095 1200 39% 0.00 1070 943 88% 2.7
Association for Cool Machineries (Part 2) 55 31 56% 0.00 37 28 76% 5.5
Association for the Country of Mububa 2135 455 21% 0.00 488 310 64% 7.3
Association of Myths 79 42 53% 0.00 50 40 80% 6.0