Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 922 267 29% 0.00 234 200 85% 4.5
Average Speed 1086 336 31% 0.00 353 286 81% 3.7
Babelfish 8462 3645 43% 0.02 2971 2629 88% 2.0
Beat the Spread! 3153 1108 35% 0.00 1019 898 88% 2.4
Billiard 1656 918 55% 0.00 845 811 96% 1.6
Biometrics 141 50 35% 0.00 50 42 84% 6.0
Calories From Fat 619 367 59% 0.00 324 301 93% 2.0
CD 29283 6685 23% 0.00 3983 2933 74% 4.8
Celebrity Split 293 76 26% 0.13 66 40 61% 8.6
Combination Lock 1573 664 42% 0.00 659 562 85% 2.5
Conformity 2792 1176 42% 0.00 894 827 93% 2.1
Councilling 783 124 16% 0.03 107 80 75% 7.5
Cousins 36 11 31% 0.00 15 10 67% 6.6
Equations 299 87 29% 0.00 57 47 82% 5.3
Evil Straw Warts Live 298 109 37% 0.00 96 80 83% 4.0
Factstone Benchmark 532 244 46% 0.00 206 174 84% 3.6
Ferry Loading III 2123 550 26% 0.01 403 344 85% 3.4
Ferry Loading V 155 64 41% 0.00 46 38 83% 4.1
Genealogical Research 509 93 18% 0.00 95 73 77% 3.3
Guessing Game 2322 676 29% 0.00 679 581 86% 2.6
Help! 1654 301 18% 0.00 226 162 72% 6.5
Intellectual Property 97 34 35% 0.05 21 12 57% 8.9
Jack and Jill 236 79 33% 0.19 36 23 64% 7.7
Life Forms 622 139 22% 0.07 107 60 56% 7.6
Mall Mania 186 70 38% 0.05 53 45 85% 4.7
Map 149 25 17% 0.00 33 19 58% 8.0
Paintball II 192 52 27% 0.00 52 36 69% 7.3
Perfect Pth Powers 5758 837 15% 0.00 770 555 72% 5.3
Prerequisites? 461 267 58% 0.00 242 228 94% 2.0
Pseudoprime numbers 982 391 40% 0.00 336 297 88% 3.5
Rinse 66 12 18% 0.00 20 12 60% 8.1
Rocket Stages 91 10 11% 0.03 19 9 47% 7.4
Rock-Paper-Scissors Tournament 4569 1125 25% 0.02 932 748 80% 4.1
Russian Dolls 1064 25 2% 0.00 49 19 39% 9.0
Structural Equivalence 15 5 33% 0.00 7 5 71% 5.7
Subway 201 71 35% 0.00 79 66 84% 5.4
Tautology 467 225 48% 0.00 170 152 89% 3.4
Test 76 38 50% 0.01 20 18 90% 4.5
The Trip, 2007 728 273 38% 0.01 195 180 92% 2.8
Tour de France 989 384 39% 0.00 369 326 88% 2.7
Tournament 25 3 12% 0.04 7 3 43% 8.2
Treasure Map 107 41 38% 0.01 39 31 79% 5.2
Treequivalence 49 16 33% 0.00 19 15 79% 6.3
War on Weather 215 105 49% 0.00 104 93 89% 3.8
WFF 'N PROOF 239 110 46% 0.00 116 102 88% 3.3
XYZZY 1185 252 21% 0.01 201 146 73% 6.9