Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 759 234 31% 0.00 209 183 88% 4.2
Average Speed 919 281 31% 0.00 294 247 84% 3.4
Babelfish 7046 3095 44% 0.02 2502 2213 88% 2.0
Beat the Spread! 2622 927 35% 0.00 841 737 88% 2.5
Billiard 1506 846 56% 0.00 776 745 96% 1.6
Biometrics 136 48 35% 0.00 48 40 83% 5.8
Calories From Fat 583 343 59% 0.00 300 278 93% 2.0
CD 24369 5653 23% 0.00 3459 2560 74% 4.5
Celebrity Split 291 75 26% 0.13 64 39 61% 8.6
Combination Lock 1095 506 46% 0.00 510 430 84% 2.6
Conformity 1313 579 44% 0.00 478 425 89% 2.8
Councilling 762 120 16% 0.03 104 78 75% 7.4
Cousins 35 10 29% 0.00 14 9 64% 6.5
Equations 299 87 29% 0.00 57 47 82% 5.2
Evil Straw Warts Live 292 108 37% 0.00 94 79 84% 3.8
Factstone Benchmark 469 216 46% 0.00 178 153 86% 3.4
Ferry Loading III 2001 525 26% 0.01 372 321 86% 3.2
Ferry Loading V 154 63 41% 0.00 45 37 82% 4.1
Genealogical Research 469 84 18% 0.00 84 65 77% 3.0
Guessing Game 1455 410 28% 0.00 431 364 84% 2.9
Help! 1610 288 18% 0.00 217 155 71% 6.5
Intellectual Property 97 34 35% 0.05 21 12 57% 8.9
Jack and Jill 234 79 34% 0.19 35 23 66% 7.6
Life Forms 587 133 23% 0.07 100 54 54% 7.9
Mall Mania 167 61 37% 0.05 46 39 85% 5.1
Map 149 25 17% 0.00 33 19 58% 7.9
Paintball II 162 40 25% 0.00 41 28 68% 7.9
Perfect Pth Powers 5366 782 15% 0.00 710 512 72% 5.2
Prerequisites? 384 229 60% 0.00 204 192 94% 2.0
Pseudoprime numbers 917 360 39% 0.00 305 268 88% 3.6
Rinse 64 11 17% 0.00 19 11 58% 8.1
Rocket Stages 68 6 9% 0.07 13 6 46% 7.7
Rock-Paper-Scissors Tournament 4208 1026 24% 0.02 856 683 80% 4.3
Russian Dolls 986 20 2% 0.00 40 17 42% 8.8
Structural Equivalence 14 4 29% 0.00 6 4 67% 5.8
Subway 192 67 35% 0.00 76 63 83% 5.7
Tautology 436 212 49% 0.00 160 142 89% 3.3
Test 58 30 52% 0.01 14 13 93% 4.3
The Trip, 2007 681 252 37% 0.01 176 162 92% 2.9
Tour de France 923 353 38% 0.00 337 297 88% 2.6
Tournament 21 2 10% 1.00 5 2 40% 7.8
Treasure Map 107 41 38% 0.01 39 31 79% 5.0
Treequivalence 45 12 27% 0.00 15 11 73% 6.1
War on Weather 204 100 49% 0.00 97 88 91% 3.4
WFF 'N PROOF 212 97 46% 0.00 103 91 88% 3.1
XYZZY 1118 234 21% 0.01 189 137 72% 6.9