Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 1603 359 22% 0.00 306 259 85% 4.5
Average Speed 1348 443 33% 0.00 454 373 82% 3.6
Babelfish 10464 4591 44% 0.01 3683 3282 89% 2.1
Beat the Spread! 4120 1523 37% 0.00 1258 1116 89% 2.5
Billiard 2025 1146 57% 0.00 1057 1008 95% 1.7
Biometrics 219 73 33% 0.00 66 53 80% 5.8
Calories From Fat 977 542 55% 0.00 460 426 93% 2.0
CD 37181 8478 23% 0.00 4945 3623 73% 4.8
Celebrity Split 507 107 21% 0.13 87 55 63% 8.0
Combination Lock 2137 924 43% 0.00 897 774 86% 2.6
Conformity 5040 2274 45% 0.00 1626 1522 94% 1.8
Councilling 1147 166 14% 0.03 145 106 73% 6.9
Cousins 43 14 33% 0.00 17 12 71% 6.0
Equations 456 114 25% 0.00 86 67 78% 5.1
Evil Straw Warts Live 564 191 34% 0.00 152 134 88% 3.4
Factstone Benchmark 997 454 46% 0.00 365 295 81% 3.8
Ferry Loading III 2519 664 26% 0.01 504 427 85% 3.6
Ferry Loading V 181 71 39% 0.00 53 44 83% 4.8
Genealogical Research 792 133 17% 0.00 130 104 80% 3.5
Guessing Game 3328 980 29% 0.00 982 840 86% 2.7
Help! 2850 416 15% 0.00 354 242 68% 6.5
Intellectual Property 153 38 25% 0.04 27 14 52% 8.9
Jack and Jill 244 81 33% 0.19 39 25 64% 8.3
Life Forms 1011 187 18% 0.07 145 74 51% 7.9
Mall Mania 311 104 33% 0.03 84 68 81% 5.5
Map 168 28 17% 0.00 40 21 52% 8.4
Paintball II 266 75 28% 0.00 69 48 70% 5.4
Perfect Pth Powers 8172 1226 15% 0.00 1010 736 73% 5.7
Prerequisites? 655 417 64% 0.00 373 357 96% 1.9
Pseudoprime numbers 1305 539 41% 0.00 475 418 88% 3.4
Rinse 101 18 18% 0.00 27 17 63% 7.8
Rocket Stages 149 32 21% 0.03 27 15 56% 5.1
Rock-Paper-Scissors Tournament 5695 1422 25% 0.02 1125 919 82% 3.9
Russian Dolls 1120 29 3% 0.00 58 22 38% 8.9
Structural Equivalence 17 6 35% 0.00 9 6 67% 5.7
Subway 295 107 36% 0.00 112 94 84% 5.0
Tautology 678 312 46% 0.00 249 223 90% 3.4
Test 93 50 54% 0.01 33 28 85% 5.8
The Trip, 2007 884 326 37% 0.01 251 226 90% 2.9
Tour de France 1419 521 37% 0.00 494 439 89% 2.8
Tournament 43 6 14% 0.04 11 6 55% 7.5
Treasure Map 186 78 42% 0.01 63 53 84% 5.3
Treequivalence 56 20 36% 0.00 23 19 83% 6.5
War on Weather 231 115 50% 0.00 113 102 90% 3.6
WFF 'N PROOF 402 180 45% 0.00 181 161 89% 2.9
XYZZY 1895 322 17% 0.01 286 199 70% 6.9