Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 972 275 28% 0.00 239 204 85% 4.4
Average Speed 1137 361 32% 0.00 378 307 81% 3.7
Babelfish 9131 3910 43% 0.02 3114 2759 89% 2.0
Beat the Spread! 3324 1168 35% 0.00 1077 947 88% 2.5
Billiard 1689 941 56% 0.00 870 834 96% 1.6
Biometrics 142 51 36% 0.00 51 43 84% 6.0
Calories From Fat 642 384 60% 0.00 340 317 93% 2.0
CD 31203 7086 23% 0.00 4212 3079 73% 4.8
Celebrity Split 303 77 25% 0.13 68 41 60% 8.9
Combination Lock 1693 716 42% 0.00 711 609 86% 2.5
Conformity 2874 1218 42% 0.00 940 862 92% 2.3
Councilling 792 130 16% 0.03 109 82 75% 7.4
Cousins 36 11 31% 0.00 15 10 67% 6.6
Equations 309 90 29% 0.00 61 50 82% 5.3
Evil Straw Warts Live 308 110 36% 0.00 98 81 83% 4.0
Factstone Benchmark 553 255 46% 0.00 220 184 84% 3.5
Ferry Loading III 2162 563 26% 0.01 416 355 85% 3.3
Ferry Loading V 156 65 42% 0.00 47 39 83% 4.1
Genealogical Research 521 96 18% 0.00 99 76 77% 3.4
Guessing Game 2484 720 29% 0.00 726 619 85% 2.7
Help! 1709 304 18% 0.00 232 165 71% 6.5
Intellectual Property 120 34 28% 0.05 22 12 55% 8.9
Jack and Jill 236 79 33% 0.19 36 23 64% 7.7
Life Forms 629 144 23% 0.07 111 62 56% 7.4
Mall Mania 190 72 38% 0.05 56 47 84% 4.7
Map 149 25 17% 0.00 33 19 58% 8.0
Paintball II 222 64 29% 0.00 57 38 67% 7.6
Perfect Pth Powers 5916 863 15% 0.00 795 571 72% 5.4
Prerequisites? 491 287 58% 0.00 264 248 94% 2.0
Pseudoprime numbers 1050 416 40% 0.00 362 318 88% 3.6
Rinse 66 12 18% 0.00 20 12 60% 8.1
Rocket Stages 108 10 9% 0.03 20 9 45% 7.8
Rock-Paper-Scissors Tournament 4633 1147 25% 0.02 952 769 81% 4.1
Russian Dolls 1105 26 2% 0.00 51 20 39% 8.7
Structural Equivalence 15 5 33% 0.00 7 5 71% 5.7
Subway 205 73 36% 0.00 80 67 84% 5.5
Tautology 490 232 47% 0.00 180 159 88% 3.4
Test 78 39 50% 0.01 22 19 86% 5.0
The Trip, 2007 759 279 37% 0.01 203 186 92% 2.7
Tour de France 1037 401 39% 0.00 388 342 88% 2.7
Tournament 27 4 15% 0.04 8 4 50% 7.7
Treasure Map 108 42 39% 0.01 40 32 80% 5.2
Treequivalence 54 18 33% 0.00 21 17 81% 6.3
War on Weather 220 108 49% 0.00 107 96 90% 3.8
WFF 'N PROOF 247 117 47% 0.00 123 109 89% 3.2
XYZZY 1211 256 21% 0.01 206 150 73% 6.9