Problems

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Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Another Dice Game 149 88 59% 0.00 88 74 84% 4.4
Another Query on Array Problem 2302 285 12% 0.05 424 192 45% 7.9
Another Substring Query Problem 931 186 20% 0.18 226 101 45% 8.3
Antenna Analysis 977 275 28% 0.02 310 210 68% 6.0
Antenna Placement 201 84 42% 0.00 73 53 73% 7.8
Anthony and Cora 1320 325 25% 0.00 372 259 70% 5.6
Anthony and Diablo 4698 1712 36% 0.00 1748 1518 87% 2.7
Antiarithmetic? 2198 421 19% 0.01 481 273 57% 7.6
Antimatter Rain 137 44 32% 0.17 46 28 61% 8.2
Ants 5396 2488 46% 0.00 1976 1749 89% 2.3
Ant Typing 529 144 27% 0.02 238 132 55% 6.2
Apaxiaaaaaaaaaaaans! 19445 11729 60% 0.00 10527 10049 95% 1.4
Apostrophe Catastrophe 148 39 26% 0.00 38 26 68% 6.6
Appalling Architecture 933 281 30% 0.00 251 210 84% 4.2
Apparatus 829 227 27% 0.01 194 148 76% 5.8
Appeal to the Audience 189 83 44% 0.02 78 70 90% 5.2
Apple Market 518 116 22% 0.07 136 70 51% 8.8
Apples, Cherries, and Mangos 456 137 30% 0.02 148 101 68% 6.6
A Prize No One Can Win 6419 2095 33% 0.00 1746 1551 89% 2.2
Aquarium Tank 599 175 29% 0.00 171 132 77% 5.7
Aqueduct Construction 439 155 35% 0.01 87 71 82% 6.5
A Question of Ingestion 2193 499 23% 0.00 460 349 76% 5.9
Arable Area 362 86 24% 0.04 79 47 59% 8.6
Arachnophobia 793 270 34% 0.12 227 189 83% 4.8
A Random Problem 394 102 26% 0.00 92 65 71% 7.2
A Rank Problem 323 162 50% 0.00 165 146 88% 2.6
A Rational Sequence 2210 764 35% 0.00 799 591 74% 5.1
A Rational Sequence 2 2908 2160 74% 0.00 1899 1825 96% 1.5
A Rational Sequence (Take 3) 1395 1131 81% 0.00 962 923 96% 1.7
Arbitrage? 2836 709 25% 0.02 506 415 82% 4.0
Arboriculture 64 41 64% 0.00 21 20 95% 4.5 - 7.8
Arcade! 1381 255 18% 0.01 247 175 71% 6.0
Arcaea Partners 61 16 26% 0.09 19 14 74% 7.9
Archimedes 36 8 22% 0.00 8 7 88% 5.2
Architecture 447 236 53% 0.00 228 202 89% 3.0
Arctic Network 2814 1006 36% 0.00 774 643 83% 4.1
A Real Challenge 12053 5990 50% 0.00 5668 5340 94% 1.5
Area of Effect 201 16 8% 1.38 40 14 35% 8.6
Are You Listening? 2979 978 33% 0.00 932 844 91% 2.4
Arithmetic 4200 1271 30% 0.00 1279 1013 79% 3.9
Arithmetic Decoding 234 137 59% 0.00 123 113 92% 2.7
Arithmetic Functions 399 242 61% 0.00 249 232 93% 1.7
Arm Coordination 339 248 73% 0.00 203 195 96% 1.7
ARMPIT Computations 24 14 58% 0.00 12 11 92% 5.1
Army Strength (Easy) 4696 2388 51% 0.00 2230 2009 90% 2.1
Army Strength (Hard) 5031 2665 53% 0.01 2063 1870 91% 2.2
Around and Around We Go 59 16 27% 0.00 27 15 56% 7.3
Around the Track 309 40 13% 0.00 67 30 45% 9.4
Around the track 66 17 26% 0.01 27 14 52% 7.7
A Royal Problem 75 12 16% 0.47 14 8 57% 7.8
Arrangement 1234 1054 85% 0.00 906 883 97% 1.3 - 1.6
Arranging Hat 424 160 38% 0.05 138 119 86% 5.2
Arranging Wine 378 107 28% 0.03 120 85 71% 5.3
Array of Discord 3714 771 21% 0.00 672 494 74% 5.1
Arriving on Time 608 167 27% 0.04 143 111 78% 5.4
Art Appreciation 157 44 28% 0.12 37 27 73% 6.5
Artur 514 113 22% 0.01 120 83 69% 7.2
Artwork 1230 470 38% 0.06 428 300 70% 5.9
A Safe Bet 367 114 31% 0.15 101 69 68% 7.0
Ascending Photo 1300 215 17% 0.04 257 106 41% 8.5
ASCII Addition 1632 980 60% 0.00 885 837 95% 1.8
ASCII Figure Rotation 2657 893 34% 0.00 923 785 85% 3.2
As Easy as CAB 1418 142 10% 0.00 303 112 37% 9.0
Ask Marilyn 1330 232 17% 0.01 221 170 77% 4.6
Aspen Avenue 2352 659 28% 0.00 457 301 66% 6.7
Assassins 418 153 37% 0.03 149 105 70% 5.3
Assembly Line 379 117 31% 0.64 103 79 77% 6.3
Assigning Workstations 12855 3124 24% 0.05 2238 1940 87% 3.3
Assistant Ranking 86 17 20% 0.09 27 13 48% 8.5
Association for Computing Machinery 3033 1172 39% 0.00 1044 922 88% 2.6
Association for Control Over Minds 2552 816 32% 0.03 745 625 84% 4.1
Association for Convex Main Office 728 182 25% 0.05 190 146 77% 6.0
Association for Cool Machineries (Part 1) 1528 307 20% 0.04 267 170 64% 7.2
Association for Cool Machineries (Part 2) 48 28 58% 0.00 33 25 76% 5.7
Association for the Country of Mububa 2109 441 21% 0.00 485 306 63% 7.2
Association of Camera Makers 398 38 10% 0.46 38 11 29% 9.3
Association of Cats and Magical Lights 2546 684 27% 0.18 447 357 80% 5.6
Association of Computer Maintenance 963 94 10% 0.03 122 58 48% 8.6
Association of Myths 77 41 53% 0.00 48 39 81% 6.1
A Star not a Tree? 261 81 31% 0.00 68 49 72% 5.2
Asteroid Mining 55 9 16% 0.04 13 8 62% 8.1
Asteroid Rangers 222 80 36% 0.09 64 45 70% 8.1
Asteroids 761 139 18% 0.00 111 80 72% 6.8
Astro 687 215 31% 0.00 214 181 85% 4.0
Astrological Sign 1750 775 44% 0.00 712 638 90% 1.9
Atlantis 666 128 19% 0.03 153 91 59% 7.0
Atomic Energy 846 188 22% 0.02 109 85 78% 6.5
A Towering Problem 2910 1419 49% 0.00 1430 1290 90% 2.2
A Trivial Pursuit 328 40 12% 0.43 21 9 43% 9.3
Attendance 133 13 10% 0.21 40 12 30% 8.2
Auto Completion 239 63 26% 0.05 66 46 70% 7.1
Automatic Trading 1359 412 30% 0.03 333 233 70% 5.3
Autori 33603 20319 60% 0.00 17809 17115 96% 1.3
Average Rank 673 210 31% 0.24 147 112 76% 6.2
Average Speed 1601 545 34% 0.00 555 461 83% 3.5
A Vicious Pikeman (Easy) 3621 1269 35% 0.00 998 886 89% 2.8
A Vicious Pikeman (Hard) 2091 317 15% 0.01 369 195 53% 8.3
Avion 5272 3035 58% 0.00 2897 2788 96% 1.4
AVL++ 34 11 32% 0.00 11 8 73% 5.1
Avogadro 269 97 36% 0.02 97 75 77% 6.4