Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 1369 312 23% 0.00 272 226 83% 4.6
Average Speed 1253 399 32% 0.00 416 335 81% 3.8
Babelfish 9501 4063 43% 0.01 3244 2868 88% 2.2
Beat the Spread! 3669 1309 36% 0.00 1128 998 88% 2.4
Billiard 1746 973 56% 0.00 902 865 96% 1.6
Biometrics 144 53 37% 0.00 53 45 85% 5.6
Calories From Fat 673 407 60% 0.00 360 337 94% 2.0
CD 32802 7394 23% 0.00 4409 3213 73% 5.0
Celebrity Split 364 86 24% 0.13 75 45 60% 8.9
Combination Lock 1782 762 43% 0.00 757 651 86% 2.5
Conformity 3782 1609 43% 0.00 1200 1117 93% 2.0
Councilling 846 149 18% 0.03 121 92 76% 6.8
Cousins 37 12 32% 0.00 16 11 69% 6.5
Equations 323 92 28% 0.00 63 52 83% 5.7
Evil Straw Warts Live 361 127 35% 0.00 109 92 84% 3.3
Factstone Benchmark 601 278 46% 0.00 245 204 83% 3.6
Ferry Loading III 2265 592 26% 0.01 440 370 84% 3.6
Ferry Loading V 165 67 41% 0.00 50 41 82% 4.9
Genealogical Research 539 98 18% 0.00 102 78 76% 3.4
Guessing Game 2820 813 29% 0.00 821 699 85% 2.7
Help! 1766 318 18% 0.00 243 175 72% 6.5
Intellectual Property 120 34 28% 0.05 22 12 55% 8.9
Jack and Jill 240 79 33% 0.19 37 23 62% 8.4
Life Forms 691 150 22% 0.07 121 66 55% 8.0
Mall Mania 197 74 38% 0.05 58 49 84% 4.8
Map 149 25 17% 0.00 33 19 58% 8.0
Paintball II 247 66 27% 0.00 61 40 66% 7.3
Perfect Pth Powers 6128 916 15% 0.00 828 594 72% 5.4
Prerequisites? 562 344 61% 0.00 312 297 95% 1.9
Pseudoprime numbers 1149 467 41% 0.00 408 361 88% 3.4
Rinse 66 12 18% 0.00 20 12 60% 8.3
Rocket Stages 155 37 24% 0.03 26 14 54% 5.9
Rock-Paper-Scissors Tournament 5019 1272 25% 0.02 1026 834 81% 3.8
Russian Dolls 1110 26 2% 0.00 53 20 38% 9.0
Structural Equivalence 17 6 35% 0.00 9 6 67% 5.7
Subway 232 80 34% 0.00 87 71 82% 6.2
Tautology 499 235 47% 0.00 183 162 89% 3.4
Test 80 40 50% 0.01 24 20 83% 6.0
The Trip, 2007 792 295 37% 0.01 222 200 90% 2.9
Tour de France 1076 423 39% 0.00 408 362 89% 2.7
Tournament 42 6 14% 0.04 10 6 60% 7.4
Treasure Map 112 42 38% 0.01 41 32 78% 5.5
Treequivalence 55 19 35% 0.00 22 18 82% 6.2
War on Weather 223 110 49% 0.00 109 98 90% 3.6
WFF 'N PROOF 268 129 48% 0.00 135 121 90% 2.9
XYZZY 1240 259 21% 0.01 211 153 73% 6.8