Problems

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Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Another Substring Query Problem 825 166 20% 0.18 205 91 44% 8.2
Antenna Placement 200 83 42% 0.00 72 52 72% 7.8
Anthony and Cora 1269 306 24% 0.00 351 242 69% 5.6
Anthony and Diablo 4328 1593 37% 0.00 1615 1407 87% 2.5
Antiarithmetic? 2138 409 19% 0.01 467 264 57% 7.7
Antimatter Rain 128 42 33% 0.17 39 26 67% 7.3
Ants 4927 2247 46% 0.00 1829 1618 88% 2.3
Ant Typing 463 117 25% 0.02 207 111 54% 6.2
Apaxiaaaaaaaaaaaans! 17882 10770 60% 0.00 9653 9211 95% 1.3
Apostrophe Catastrophe 148 39 26% 0.00 38 26 68% 6.5
Appalling Architecture 910 269 30% 0.00 240 200 83% 4.1
Apparatus 796 215 27% 0.01 184 139 76% 5.9
Appeal to the Audience 136 63 46% 0.02 61 54 89% 5.6
Apple Market 516 115 22% 0.07 134 69 51% 8.3
Apples, Cherries, and Mangos 453 136 30% 0.02 146 100 68% 7.0
A Prize No One Can Win 6158 1939 31% 0.00 1590 1407 88% 2.3
Aquarium Tank 595 171 29% 0.00 167 128 77% 6.2
Aqueduct Construction 406 137 34% 0.01 85 70 82% 6.7
A Question of Ingestion 2165 498 23% 0.00 455 348 76% 5.5
Arable Area 360 86 24% 0.04 78 47 60% 8.4
Arachnophobia 710 252 35% 0.12 208 174 84% 4.7
A Random Problem 394 102 26% 0.00 92 65 71% 6.8
A Rational Sequence 2094 717 34% 0.00 759 560 74% 5.1
A Rational Sequence 2 2769 2058 74% 0.00 1815 1746 96% 1.5
A Rational Sequence (Take 3) 1297 1048 81% 0.00 885 849 96% 1.7
Arbitrage? 2746 687 25% 0.02 469 398 85% 3.6
Arboriculture 62 40 65% 0.00 19 19 100% 4.2 - 7.1
Arcade! 1305 243 19% 0.01 237 167 70% 6.1
Arcaea Partners 61 16 26% 0.09 19 14 74% 7.8
Archimedes 32 6 19% 0.00 6 5 83% 5.2
Architecture 305 168 55% 0.00 170 155 91% 3.0
Arctic Network 2683 963 36% 0.00 736 608 83% 4.2
A Real Challenge 11178 5514 49% 0.00 5212 4906 94% 1.5
Area of Effect 172 15 9% 1.38 31 13 42% 8.2
Are You Listening? 2732 886 32% 0.00 842 761 90% 2.6
Arithmetic 3927 1205 31% 0.00 1211 959 79% 3.7
Arithmetic Decoding 160 100 62% 0.00 88 80 91% 2.8
Army Strength (Easy) 4328 2216 51% 0.00 2071 1866 90% 2.3
Army Strength (Hard) 4841 2544 53% 0.01 1971 1783 90% 2.3
Around and Around We Go 59 16 27% 0.00 27 15 56% 7.2
Around the Track 305 40 13% 0.00 65 30 46% 9.1
Around the track 66 17 26% 0.01 27 14 52% 8.3
A Royal Problem 75 12 16% 0.47 14 8 57% 7.9
Arrangement 763 642 84% 0.00 572 552 97% 1.3 - 1.8
Arranging Hat 399 155 39% 0.05 135 116 86% 5.2
Arranging Wine 360 102 28% 0.03 116 82 71% 5.7
Array of Discord 3271 668 20% 0.00 595 433 73% 4.9
Arriving on Time 592 161 27% 0.04 138 108 78% 5.7
Art Appreciation 147 41 28% 0.12 34 24 71% 6.5
Artur 510 112 22% 0.01 118 82 69% 7.0
Artwork 1192 454 38% 0.06 410 288 70% 5.8
A Safe Bet 358 112 31% 0.15 99 67 68% 7.2
Ascending Photo 1129 195 17% 0.04 241 95 39% 8.5
ASCII Addition 1552 915 59% 0.00 819 775 95% 1.9
ASCII Figure Rotation 2468 825 33% 0.00 855 726 85% 3.3
As Easy as CAB 1362 131 10% 0.00 293 103 35% 9.0
Ask Marilyn 1188 208 18% 0.01 187 148 79% 4.3
Aspen Avenue 2301 646 28% 0.00 440 292 66% 6.4
Assassins 414 152 37% 0.03 146 104 71% 5.1
Assembly Line 376 115 31% 0.64 101 77 76% 6.1
Assigning Workstations 11899 2879 24% 0.05 2043 1764 86% 3.7
Assistant Ranking 86 17 20% 0.09 27 13 48% 8.7
Association for Computing Machinery 2984 1144 38% 0.00 1016 897 88% 2.7
Association for Control Over Minds 2465 785 32% 0.03 719 599 83% 4.3
Association for Convex Main Office 724 180 25% 0.05 188 144 77% 6.5
Association for Cool Machineries (Part 1) 1521 305 20% 0.04 264 168 64% 7.0
Association for Cool Machineries (Part 2) 48 28 58% 0.00 33 25 76% 6.5
Association for the Country of Mububa 2080 433 21% 0.00 475 301 63% 7.1
Association of Camera Makers 351 21 6% 0.46 32 9 28% 9.5
Association of Cats and Magical Lights 2474 667 27% 0.18 437 347 79% 5.6
Association of Computer Maintenance 958 94 10% 0.03 120 58 48% 8.6
Association of Myths 73 37 51% 0.00 44 35 80% 6.2
A Star not a Tree? 252 77 31% 0.00 64 45 70% 5.7
Asteroid Mining 54 8 15% 0.04 12 7 58% 8.2
Asteroid Rangers 217 80 37% 0.09 62 45 73% 7.6
Asteroids 759 137 18% 0.00 109 78 72% 7.6
Astro 630 203 32% 0.00 197 169 86% 4.0
Astrological Sign 1363 582 43% 0.00 585 521 89% 1.8
Atlantis 611 118 19% 0.03 143 83 58% 6.6
Atomic Energy 675 138 20% 0.02 82 66 80% 6.7
A Towering Problem 2784 1353 49% 0.00 1366 1228 90% 2.3
A Trivial Pursuit 289 37 13% 0.43 17 7 41% 9.3
Attendance 126 10 8% 0.21 37 10 27% 8.4
Auto Completion 236 62 26% 0.05 65 45 69% 7.2
Automatic Trading 1293 396 31% 0.03 321 224 70% 5.1
Autori 32192 19319 60% 0.00 16909 16241 96% 1.5
Average Rank 566 203 36% 0.24 138 106 77% 5.5
Average Speed 1484 508 34% 0.00 514 427 83% 3.5
A Vicious Pikeman (Easy) 3249 1112 34% 0.00 864 765 89% 2.9
A Vicious Pikeman (Hard) 1992 298 15% 0.01 344 183 53% 8.3
Avion 4707 2690 57% 0.00 2571 2475 96% 1.4
Avogadro 228 96 42% 0.02 95 74 78% 5.4
Avoiding Airports 936 170 18% 0.08 179 107 60% 6.6
Avoiding the Apocalypse 1121 436 39% 0.01 294 259 88% 4.3
Avoidland 927 469 51% 0.04 317 280 88% 3.4
A Walk Through The Forest 1907 629 33% 0.12 428 339 79% 4.9
Awkward Party 3053 1287 42% 0.01 1132 993 88% 2.9
Azulejos 3077 707 23% 0.23 558 437 78% 4.7
BAAS 448 186 42% 0.01 123 100 81% 5.6
Babelfish 11659 5190 45% 0.01 4197 3736 89% 2.4