Problems

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Name Total Acc. Ratio Fastest   Total Acc. Ratio Difficulty
0-1 Sequences 8811 1283 15% 0.00 1683 835 50% 6.5
2048 8655 4010 46% 0.00 3827 3282 86% 2.2
3D Printed Statues 10511 4824 46% 0.00 4430 3969 90% 2.0
3D Printer 762 140 18% 0.00 312 108 35% 8.6
3-Sided Dice 2434 204 8% 0.00 399 143 36% 8.6
4 thought 8833 2999 34% 0.00 2955 2470 84% 2.6
A1 Paper 5466 1609 29% 0.00 1577 1246 79% 3.8
Aaah! 29304 13622 46% 0.00 12155 11341 93% 1.5
ABC 14079 6383 45% 0.00 6034 5491 91% 1.8
Above Average 9400 3838 41% 0.00 3755 3367 90% 2.0
Abstract Art 382 123 32% 0.00 100 77 77% 5.5
Abstract Painting 387 154 40% 0.00 145 112 77% 4.9
Absurdistan Roads II 637 220 35% 0.00 214 144 67% 6.8
ACM Contest Scoring 7006 4360 62% 0.00 3857 3643 94% 1.5
Adding Words 10988 2604 24% 0.00 2503 1932 77% 4.0
A Different List Game 6938 486 7% 0.00 879 175 20% 9.2
A Different Problem 31797 11666 37% 0.00 10805 9350 87% 2.5
Adjoin the Networks 2139 564 26% 0.00 473 379 80% 5.3
Ads 606 34 6% 0.00 83 19 23% 6.5
Adventures in Moving -- Part IV 1370 313 23% 0.00 273 227 83% 4.6
A Favourable Ending 1703 445 26% 0.00 409 317 78% 4.4
A Feast For Cats 2427 897 37% 0.00 584 496 85% 4.0
Air Conditioned Minions 5235 1444 28% 0.00 1516 1148 76% 4.0
Airport Logistics 67 15 22% 0.00 22 15 68% 7.3
Akcija 7658 3424 45% 0.00 3101 2762 89% 2.0
Alex and Barb 202 59 29% 0.00 81 54 67% 5.5
Alien Numbers 2349 1204 51% 0.00 1184 1073 91% 2.1
A List Game 8661 2554 29% 0.00 2440 2049 84% 3.0
All about that base 2911 1155 40% 0.00 1122 946 84% 2.9
All Different Directions 1364 563 41% 0.00 526 462 88% 2.6
Allergy Test 545 143 26% 0.00 166 87 52% 7.5
All Friends 878 165 19% 0.00 158 80 51% 8.9
All Kill 21 16 76% 0.00 15 14 93% 4.7
Alloys 287 97 34% 0.00 101 85 84% 4.7
All Pairs Shortest Path 9374 1660 18% 0.00 1145 809 71% 5.6
Almost Perfect 8211 1910 23% 0.00 2023 1596 79% 3.3
Alphabet 1617 812 50% 0.00 828 699 84% 3.2
Alphabet Animals 2046 638 31% 0.00 631 510 81% 3.3
Alphabet Spam 8344 5151 62% 0.00 4241 4073 96% 1.4
Alternative Bracket Notation 209 89 43% 0.00 95 79 83% 5.0
Amsterdam Distance 1560 695 45% 0.00 719 595 83% 2.9
A Multiplication Game 790 272 34% 0.00 307 229 75% 4.7
Anagram Counting 3728 1427 38% 0.00 1385 1153 83% 3.1
A New Adventure 987 152 15% 0.00 165 111 67% 6.1
A New Alphabet 11203 5014 45% 0.00 4652 4299 92% 1.7
An I for an Eye 773 189 24% 0.00 217 153 71% 5.0
Another Brick in the Wall 3374 1676 50% 0.00 1613 1474 91% 1.9
Another Candies 8227 2255 27% 0.00 2297 1909 83% 2.5
Another Coin Weighing Puzzle 322 108 34% 0.00 93 80 86% 4.4
Another Dice Game 108 69 64% 0.00 67 58 87% 4.7
Antenna Placement 144 65 45% 0.00 46 37 80% 5.6
Anthony and Cora 930 248 27% 0.00 287 205 71% 5.2
Anthony and Diablo 3293 1142 35% 0.00 1149 998 87% 2.4
Ants 3790 1683 44% 0.00 1361 1192 88% 2.5
Apaxiaaaaaaaaaaaans! 13466 8220 61% 0.00 7285 6974 96% 1.4
Apostrophe Catastrophe 112 26 23% 0.00 29 19 66% 6.8
Appalling Architecture 728 212 29% 0.00 184 152 83% 4.0
A Prize No One Can Win 4811 1307 27% 0.00 1063 909 86% 3.3
Aquarium Tank 531 151 28% 0.00 148 114 77% 5.7
A Question of Ingestion 1616 392 24% 0.00 360 279 78% 5.4
A Random Problem 332 84 25% 0.00 80 56 70% 5.9
A Rational Sequence 1819 607 33% 0.00 641 474 74% 4.6
A Rational Sequence 2 2344 1727 74% 0.00 1514 1453 96% 1.5
A Rational Sequence (Take 3) 962 785 82% 0.00 647 620 96% 1.7
Arctic Network 1783 652 37% 0.00 549 448 82% 4.4
A Real Challenge 9089 4399 48% 0.00 4143 3886 94% 1.5
Are You Listening? 1849 530 29% 0.00 496 438 88% 2.7
Arithmetic 3267 930 28% 0.00 962 740 77% 4.0
Army Strength (Easy) 3826 1935 51% 0.00 1797 1615 90% 2.2
Around and Around We Go 53 15 28% 0.00 26 14 54% 7.1
Around the Track 276 36 13% 0.00 57 26 46% 8.8
ASCII Addition 1192 656 55% 0.00 564 530 94% 1.9
ASCII Figure Rotation 2023 637 31% 0.00 657 550 84% 3.4
As Easy as CAB 1102 95 9% 0.00 248 72 29% 9.3
Aspen Avenue 1746 558 32% 0.00 344 241 70% 5.7
Association for Computing Machinery 2604 993 38% 0.00 918 806 88% 2.6
Association for Cool Machineries (Part 2) 46 27 59% 0.00 31 24 77% 5.7
Association for the Country of Mububa 1806 357 20% 0.00 433 271 63% 7.1
Association of Myths 60 29 48% 0.00 35 28 80% 6.7
A Star not a Tree? 145 29 20% 0.00 34 20 59% 8.1
Asteroids 715 131 18% 0.00 96 72 75% 6.5
Astro 472 156 33% 0.00 153 128 84% 4.1
A Towering Problem 2297 1124 49% 0.00 1127 1021 91% 2.0
Autori 21953 13931 63% 0.00 12600 12216 97% 1.2
Average Speed 1272 407 32% 0.00 422 342 81% 3.7
A Vicious Pikeman (Easy) 2238 691 31% 0.00 571 489 86% 3.7
Avion 2975 1656 56% 0.00 1612 1549 96% 1.3
Baby Bites 3819 1928 50% 0.00 1811 1690 93% 1.6
Babylonian Numbers 1125 562 50% 0.00 566 501 89% 2.1
Backspace 10593 3940 37% 0.00 3109 2628 85% 2.8
Bacon, Eggs, and Spam 3861 2226 58% 0.00 1906 1792 94% 1.6
Baggage 336 111 33% 0.00 133 93 70% 5.9
Bakice 102 42 41% 0.00 51 40 78% 5.5
Bakterije 182 22 12% 0.00 35 18 51% 8.8
Balanced Diet 1037 458 44% 0.00 397 330 83% 3.9
Ball Bearings 522 198 38% 0.00 204 170 83% 3.8
Banjo 271 49 18% 0.00 43 18 42% 9.2
Bank Queue 12436 3501 28% 0.00 2974 2441 82% 3.3
Bard 1815 870 48% 0.00 758 662 87% 2.6
Barking Up The Wrong Tree 231 29 13% 0.00 31 17 55% 8.6