Problems

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Name Total Acc. Ratio Fastest   Total Acc. Ratio Difficulty
0-1 Sequences 8258 1173 14% 0.00 1581 774 49% 7.1
2048 8070 3767 47% 0.00 3614 3096 86% 2.2
3D Printed Statues 9842 4483 46% 0.00 4106 3675 90% 2.1
3D Printer 723 134 19% 0.00 287 102 36% 8.6
3-Sided Dice 2309 199 9% 0.00 375 138 37% 8.6
4 thought 8397 2825 34% 0.00 2789 2323 83% 2.8
A1 Paper 5180 1502 29% 0.00 1504 1188 79% 3.9
Aaah! 27955 12972 46% 0.00 11621 10829 93% 1.5
ABC 13336 6005 45% 0.00 5694 5174 91% 1.9
Above Average 8534 3493 41% 0.00 3449 3091 90% 2.0
Abstract Art 308 90 29% 0.00 84 64 76% 6.1
Abstract Painting 293 114 39% 0.00 126 98 78% 5.0
Absurdistan Roads II 578 210 36% 0.00 204 140 69% 6.7
ACM Contest Scoring 6673 4154 62% 0.00 3677 3470 94% 1.5
Adding Words 10534 2483 24% 0.00 2395 1846 77% 4.0
A Different List Game 6772 478 7% 0.00 850 172 20% 9.1
A Different Problem 29931 11027 37% 0.00 10155 8809 87% 2.2
Adjoin the Networks 2000 524 26% 0.00 460 360 78% 5.7
Adventures in Moving -- Part IV 973 276 28% 0.00 240 205 85% 4.5
A Favourable Ending 1598 422 26% 0.00 386 298 77% 4.5
A Feast For Cats 2110 757 36% 0.00 507 428 84% 4.1
Air Conditioned Minions 4993 1384 28% 0.00 1459 1099 75% 4.0
Airport Logistics 66 14 21% 0.00 21 14 67% 7.9
Akcija 7322 3247 44% 0.00 2948 2623 89% 2.0
Alex and Barb 165 46 28% 0.00 64 43 67% 6.1
Alien Numbers 2229 1153 52% 0.00 1128 1024 91% 2.1
A List Game 8131 2382 29% 0.00 2257 1896 84% 3.0
All about that base 2823 1112 39% 0.00 1091 913 84% 3.0
All Different Directions 1310 538 41% 0.00 502 438 87% 2.7
Allergy Test 463 132 29% 0.00 151 78 52% 7.7
All Friends 860 163 19% 0.00 152 78 51% 8.9
Alloys 167 58 35% 0.00 61 54 89% 5.0
All Pairs Shortest Path 8680 1544 18% 0.00 1069 754 71% 5.7
Almost Perfect 7646 1772 23% 0.00 1888 1481 78% 3.4
Alphabet 1536 757 49% 0.00 775 650 84% 3.3
Alphabet Animals 1888 587 31% 0.00 583 466 80% 3.4
Alphabet Spam 7852 4886 62% 0.00 4013 3851 96% 1.4
Alternative Bracket Notation 208 88 42% 0.00 94 78 83% 5.1
Amsterdam Distance 1456 645 44% 0.00 680 559 82% 2.9
A Multiplication Game 730 247 34% 0.00 281 211 75% 4.7
Anagram Counting 3537 1356 38% 0.00 1315 1098 83% 3.0
A New Adventure 955 146 15% 0.00 161 107 66% 6.1
A New Alphabet 10801 4819 45% 0.00 4458 4118 92% 1.8
An I for an Eye 725 172 24% 0.00 199 138 69% 5.0
Another Brick in the Wall 3234 1601 50% 0.00 1536 1405 91% 1.9
Another Candies 7880 2127 27% 0.00 2209 1822 82% 2.9
Another Dice Game 98 68 69% 0.00 65 57 88% 4.6
Antenna Placement 139 64 46% 0.00 44 36 82% 5.2
Anthony and Cora 917 244 27% 0.00 280 201 72% 5.2
Anthony and Diablo 3091 1063 34% 0.00 1063 922 87% 2.4
Ants 3632 1603 44% 0.00 1288 1126 87% 2.5
Apaxiaaaaaaaaaaaans! 12894 7871 61% 0.00 6966 6669 96% 1.4
Apostrophe Catastrophe 102 24 24% 0.00 26 17 65% 6.7
Appalling Architecture 631 180 29% 0.00 157 131 83% 4.0
A Prize No One Can Win 2336 919 39% 0.00 826 723 88% 2.6
Aquarium Tank 508 144 28% 0.00 138 109 79% 4.9
A Question of Ingestion 1467 359 24% 0.00 334 257 77% 5.6
A Random Problem 316 81 26% 0.00 78 54 69% 6.1
A Rational Sequence 1754 580 33% 0.00 611 451 74% 4.6
A Rational Sequence 2 2179 1604 74% 0.00 1421 1362 96% 1.5
A Rational Sequence (Take 3) 909 738 81% 0.00 604 577 96% 1.8
Arctic Network 1670 612 37% 0.00 514 415 81% 4.5
A Real Challenge 8475 4098 48% 0.00 3871 3630 94% 1.5
Are You Listening? 1667 475 28% 0.00 442 389 88% 2.8
Arithmetic 3152 903 29% 0.00 927 714 77% 3.9
Army Strength (Easy) 3717 1876 50% 0.00 1745 1567 90% 2.2
Around and Around We Go 53 15 28% 0.00 26 14 54% 7.2
Around the Track 275 35 13% 0.00 56 25 45% 8.9
ASCII Addition 1145 615 54% 0.00 526 492 94% 1.9
ASCII Figure Rotation 1871 588 31% 0.00 610 513 84% 3.5
As Easy as CAB 1044 82 8% 0.00 235 63 27% 9.3
Aspen Avenue 1497 464 31% 0.00 322 223 69% 5.8
Association for Computing Machinery 2551 963 38% 0.00 896 785 88% 2.7
Association for Cool Machineries (Part 2) 46 27 59% 0.00 31 24 77% 5.7
Association for the Country of Mububa 1778 350 20% 0.00 424 265 62% 7.0
Association of Myths 58 28 48% 0.00 34 28 82% 5.9
A Star not a Tree? 145 29 20% 0.00 34 20 59% 8.2
Asteroids 705 126 18% 0.00 90 67 74% 6.8
Astro 360 115 32% 0.00 123 102 83% 4.5
A Towering Problem 2209 1067 48% 0.00 1080 974 90% 2.1
Autori 20230 12862 64% 0.00 11680 11323 97% 1.2
Average Speed 1177 368 31% 0.00 386 311 81% 3.7
A Vicious Pikeman (Easy) 2004 613 31% 0.00 513 437 85% 3.7
Avion 2455 1367 56% 0.00 1344 1290 96% 1.4
Baby Bites 3582 1811 51% 0.00 1716 1597 93% 1.7
Babylonian Numbers 1038 512 49% 0.00 515 453 88% 2.2
Backspace 9963 3755 38% 0.00 2930 2480 85% 2.8
Bacon, Eggs, and Spam 3575 2084 58% 0.00 1778 1668 94% 1.6
Baggage 328 108 33% 0.00 131 91 69% 6.0
Bakice 99 41 41% 0.00 50 39 78% 5.7
Bakterije 181 21 12% 0.00 34 17 50% 8.9
Balanced Diet 993 432 44% 0.00 374 308 82% 4.0
Ball Bearings 498 187 38% 0.00 197 162 82% 3.8
Banjo 269 49 18% 0.00 42 18 43% 9.2
Bank Queue 11455 3149 27% 0.00 2833 2330 82% 2.5
Bard 1726 829 48% 0.00 721 628 87% 2.6
Barking Up The Wrong Tree 231 29 13% 0.00 31 17 55% 8.5
Bar Shelf 318 186 58% 0.00 69 63 91% 2.1 - 8.4
Base-2 Palindromes 1179 460 39% 0.00 494 378 77% 4.4
basic 133 32 24% 0.00 39 27 69% 7.1