Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 785 241 31% 0.00 214 186 87% 4.3
Average Speed 971 305 31% 0.00 308 260 84% 3.4
Babelfish 7294 3176 44% 0.02 2575 2271 88% 2.1
Beat the Spread! 2709 967 36% 0.00 879 774 88% 2.3
Billiard 1565 868 55% 0.00 795 764 96% 1.5
Biometrics 138 49 36% 0.00 49 41 84% 5.9
Calories From Fat 594 351 59% 0.00 308 286 93% 2.0
CD 25154 5781 23% 0.00 3569 2638 74% 4.4
Celebrity Split 291 75 26% 0.13 64 39 61% 8.8
Combination Lock 1292 565 44% 0.00 563 480 85% 2.6
Conformity 1480 657 44% 0.00 530 477 90% 2.5
Councilling 779 124 16% 0.03 106 80 75% 7.4
Cousins 35 10 29% 0.00 14 9 64% 6.6
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 495 232 47% 0.00 190 164 86% 3.4
Ferry Loading III 2054 536 26% 0.01 387 331 86% 3.3
Ferry Loading V 155 64 41% 0.00 46 38 83% 4.1
Genealogical Research 481 86 18% 0.00 88 67 76% 3.1
Guessing Game 1630 470 29% 0.00 468 399 85% 2.8
Help! 1617 289 18% 0.00 217 156 72% 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% 7.7
Life Forms 595 134 23% 0.07 101 55 54% 8.0
Mall Mania 178 63 35% 0.05 47 40 85% 5.2
Map 149 25 17% 0.00 33 19 58% 7.9
Paintball II 166 43 26% 0.00 44 31 70% 7.1
Perfect Pth Powers 5433 795 15% 0.00 724 524 72% 5.0
Prerequisites? 400 238 60% 0.00 213 201 94% 2.0
Pseudoprime numbers 932 367 39% 0.00 311 275 88% 3.6
Rinse 66 12 18% 0.00 20 12 60% 8.0
Rocket Stages 82 8 10% 0.05 17 8 47% 7.1
Rock-Paper-Scissors Tournament 4304 1053 24% 0.02 884 705 80% 4.2
Russian Dolls 1003 24 2% 0.00 42 18 43% 8.7
Structural Equivalence 15 5 33% 0.00 7 5 71% 5.7
Subway 198 68 34% 0.00 77 64 83% 5.5
Tautology 442 216 49% 0.00 165 146 88% 3.4
Test 65 35 54% 0.01 17 16 94% 4.2
The Trip, 2007 701 264 38% 0.01 186 172 92% 2.8
Tour de France 930 358 38% 0.00 342 302 88% 2.6
Tournament 21 2 10% 1.00 5 2 40% 7.8
Treasure Map 107 41 38% 0.01 39 31 79% 5.1
Treequivalence 47 14 30% 0.00 17 13 76% 6.7
War on Weather 205 100 49% 0.00 98 88 90% 3.7
WFF 'N PROOF 220 101 46% 0.00 106 94 89% 3.1
XYZZY 1122 237 21% 0.01 191 140 73% 6.8