Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 1802 403 22% 0.00 348 285 82% 4.9
Average Speed 1485 509 34% 0.00 515 428 83% 3.5
Babelfish 11676 5197 45% 0.01 4204 3742 89% 2.4
Beat the Spread! 4756 1765 37% 0.00 1471 1312 89% 2.4
Billiard 2359 1307 55% 0.00 1209 1147 95% 1.8
Biometrics 255 85 33% 0.00 79 62 78% 6.9
Calories From Fat 1247 672 54% 0.00 581 539 93% 2.1
CD 42760 9475 22% 0.00 5675 4134 73% 4.9
Celebrity Split 539 110 20% 0.13 95 58 61% 8.1
Combination Lock 2501 1101 44% 0.00 1069 932 87% 2.5
Conformity 6146 2841 46% 0.00 2081 1950 94% 1.8
Councilling 1319 205 16% 0.03 178 129 72% 7.2
Cousins 48 15 31% 0.00 18 13 72% 6.0
Equations 587 131 22% 0.00 109 83 76% 5.7
Evil Straw Warts Live 865 288 33% 0.00 225 200 89% 3.4
Factstone Benchmark 1446 607 42% 0.00 518 412 80% 4.3
Ferry Loading III 2721 711 26% 0.01 557 465 83% 3.9
Ferry Loading V 196 81 41% 0.00 58 50 86% 4.3
Genealogical Research 850 144 17% 0.00 144 115 80% 3.7
Guessing Game 4579 1298 28% 0.00 1326 1121 85% 3.1
Help! 3156 454 14% 0.00 390 271 69% 6.3
Intellectual Property 186 52 28% 0.04 34 19 56% 9.0
Jack and Jill 270 84 31% 0.19 44 28 64% 8.9
Life Forms 1255 230 18% 0.07 177 97 55% 7.6
Mall Mania 545 169 31% 0.03 127 106 83% 4.8
Map 185 33 18% 0.00 45 26 58% 6.5
Paintball II 409 109 27% 0.00 95 70 74% 4.0
Perfect Pth Powers 9363 1451 15% 0.00 1177 866 74% 5.4
Prerequisites? 868 558 64% 0.00 489 467 96% 1.9
Pseudoprime numbers 1641 693 42% 0.00 600 528 88% 3.5
Rinse 105 19 18% 0.00 28 18 64% 7.9
Rocket Stages 335 84 25% 0.03 48 31 65% 3.9
Rock-Paper-Scissors Tournament 6097 1541 25% 0.02 1223 1004 82% 3.8
Russian Dolls 1331 39 3% 0.00 77 30 39% 7.9
Structural Equivalence 17 6 35% 0.00 9 6 67% 5.7
Subway 391 131 34% 0.00 130 112 86% 4.7
Tautology 891 415 47% 0.00 321 290 90% 3.3
Test 130 66 51% 0.00 54 41 76% 6.3
The Trip, 2007 979 367 37% 0.01 295 266 90% 3.0
Tour de France 1746 617 35% 0.00 586 512 87% 3.1
Tournament 46 7 15% 0.04 12 7 58% 7.4
Treasure Map 235 93 40% 0.01 76 63 83% 6.1
Treequivalence 69 23 33% 0.00 27 21 78% 6.7
War on Weather 305 138 45% 0.00 133 120 90% 3.4
WFF 'N PROOF 778 298 38% 0.00 293 258 88% 2.9
XYZZY 2031 361 18% 0.01 321 228 71% 6.7