Problems by Gordon V. Cormack

Name Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 0.00 1871 415 22% 5.0medium
Average Speed 0.00 1692 584 35% 3.4medium
Babelfish 0.01 13112 5796 44% 2.2easy
Beat the Spread! 0.00 5171 1940 38% 2.3easy
Billiard 0.00 2700 1523 56% 1.7easy
Biometrics 0.00 270 88 33% 6.8hard
Calories From Fat 0.00 1411 775 55% 2.0easy
CD 0.00 49238 10897 22% 4.7medium
Celebrity Split 0.13 554 115 21% 8.1hard
Combination Lock 0.00 2985 1277 43% 2.7easy
Conformity 0.00 7442 3512 47% 1.7easy
Councilling 0.03 1649 272 16% 7.2hard
Cousins 0.00 49 15 31% 6.3hard
Equations 0.00 633 152 24% 6.0hard
Evil Straw Warts Live 0.00 1183 370 31% 3.2medium
Factstone Benchmark 0.00 1596 693 43% 3.8medium
Ferry Loading III 0.01 2906 746 26% 4.3medium
Ferry Loading V 0.00 211 87 41% 4.2medium
Genealogical Research 0.00 932 161 17% 3.7medium
Guessing Game 0.00 5550 1627 29% 2.6easy
Help! 0.00 3563 511 14% 6.2hard
Intellectual Property 0.04 189 53 28% 8.6hard
Jack and Jill 0.19 271 84 31% 8.9hard
Life Forms 0.07 1426 327 23% 6.7hard
Mall Mania 0.03 660 202 31% 5.3medium
Map 0.00 190 33 17% 7.7hard
Paintball II 0.00 530 124 23% 5.6hard
Perfect Pth Powers 0.00 10876 1675 15% 5.0medium
Prerequisites? 0.00 1252 769 61% 1.9easy
Pseudoprime numbers 0.00 1938 801 41% 3.5medium
Rinse 0.00 106 19 18% 7.6hard
Rocket Stages 0.03 622 146 23% 4.1medium
Rock-Paper-Scissors Tournament 0.02 6893 1699 25% 4.1medium
Russian Dolls 0.00 1357 41 3% 7.5hard
Structural Equivalence 0.00 18 6 33% 5.9hard
Subway 0.00 458 149 33% 4.9medium
Tautology 0.00 1092 502 46% 3.1medium
Test 0.00 183 84 46% 6.1hard
The Trip, 2007 0.01 1202 462 38% 2.9medium
Tour de France 0.00 2014 734 36% 2.7easy
Tournament 0.04 53 7 13% 8.1hard
Treasure Map 0.01 255 94 37% 5.8hard
Treequivalence 0.00 91 29 32% 7.5hard
War on Weather 0.00 329 152 46% 3.8medium
WFF 'N PROOF 0.00 811 315 39% 2.9medium
XYZZY 0.01 2394 418 17% 6.9hard