Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 749 231 31% 0.00 206 180 87% 4.2
Average Speed 869 269 31% 0.00 279 235 84% 3.4
Babelfish 6778 2964 44% 0.02 2388 2104 88% 2.2
Beat the Spread! 2557 904 35% 0.00 821 716 87% 2.5
Billiard 1439 801 56% 0.00 732 703 96% 1.6
Biometrics 126 45 36% 0.00 44 37 84% 5.4
Calories From Fat 544 315 58% 0.00 279 258 92% 2.1
CD 23239 5425 23% 0.00 3295 2450 74% 3.7
Celebrity Split 276 74 27% 0.13 61 38 62% 8.1
Combination Lock 1051 486 46% 0.00 490 411 84% 2.6
Conformity 1200 512 43% 0.00 435 380 87% 3.0
Councilling 637 107 17% 0.03 96 70 73% 8.1
Cousins 30 7 23% 0.00 11 6 55% 7.2
Equations 298 86 29% 0.00 56 46 82% 5.2
Evil Straw Warts Live 272 102 38% 0.00 87 73 84% 3.7
Factstone Benchmark 421 198 47% 0.00 170 147 86% 3.4
Ferry Loading III 1889 489 26% 0.01 348 302 87% 3.2
Ferry Loading V 149 61 41% 0.00 43 36 84% 4.6
Genealogical Research 449 80 18% 0.00 78 61 78% 2.9
Guessing Game 1408 394 28% 0.00 414 350 85% 2.9
Help! 1548 278 18% 0.00 206 147 71% 6.5
Intellectual Property 94 34 36% 0.05 20 12 60% 8.6
Jack and Jill 233 78 33% 0.19 34 22 65% 7.9
Life Forms 581 130 22% 0.07 98 51 52% 8.1
Mall Mania 158 59 37% 0.05 43 37 86% 4.6
Map 148 24 16% 0.00 32 18 56% 8.2
Paintball II 161 40 25% 0.00 40 28 70% 7.9
Perfect Pth Powers 5248 757 14% 0.00 691 496 72% 5.3
Prerequisites? 366 214 58% 0.00 191 178 93% 2.1
Pseudoprime numbers 891 347 39% 0.00 298 260 87% 3.7
Rinse 55 11 20% 0.00 17 11 65% 7.0
Rocket Stages 51 5 10% 0.07 9 5 56% 5.7
Rock-Paper-Scissors Tournament 4157 1014 24% 0.02 840 671 80% 4.3
Russian Dolls 927 18 2% 0.01 33 15 45% 8.1
Structural Equivalence 13 3 23% 0.00 5 3 60% 6.0
Subway 159 56 35% 0.00 64 54 84% 5.1
Tautology 421 204 48% 0.00 154 137 89% 3.5
Test 55 27 49% 0.01 12 11 92% 4.3
The Trip, 2007 632 240 38% 0.01 168 155 92% 2.9
Tour de France 903 342 38% 0.00 328 288 88% 2.7
Tournament 21 2 10% 1.00 5 2 40% 7.7
Treasure Map 105 39 37% 0.01 37 29 78% 5.2
Treequivalence 44 11 25% 0.00 14 10 71% 6.6
War on Weather 199 97 49% 0.00 94 85 90% 3.4
WFF 'N PROOF 205 91 44% 0.00 97 85 88% 3.3
XYZZY 1092 226 21% 0.01 186 134 72% 6.9