Problems by Gordon V. Cormack

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Adventures in Moving -- Part IV 1851 408 22% 0.00 357 290 81% 5.1
Average Speed 1601 545 34% 0.00 555 461 83% 3.5
Babelfish 12325 5493 45% 0.01 4399 3921 89% 2.0
Beat the Spread! 4927 1832 37% 0.00 1538 1373 89% 2.4
Billiard 2463 1357 55% 0.00 1254 1190 95% 1.8
Biometrics 265 87 33% 0.00 82 64 78% 6.9
Calories From Fat 1291 704 55% 0.00 616 570 93% 2.0
CD 46258 10256 22% 0.00 6205 4556 73% 3.2
Celebrity Split 549 114 21% 0.13 99 60 61% 8.0
Combination Lock 2803 1202 43% 0.00 1155 1008 87% 2.5
Conformity 6839 3167 46% 0.00 2323 2179 94% 1.9
Councilling 1374 217 16% 0.03 184 133 72% 7.3
Cousins 48 15 31% 0.00 18 13 72% 6.3
Equations 606 133 22% 0.00 114 85 75% 6.4
Evil Straw Warts Live 900 302 34% 0.00 237 211 89% 3.5
Factstone Benchmark 1514 643 42% 0.00 556 445 80% 4.1
Ferry Loading III 2848 730 26% 0.01 576 477 83% 4.2
Ferry Loading V 196 81 41% 0.00 58 50 86% 4.2
Genealogical Research 889 155 17% 0.00 155 126 81% 3.6
Guessing Game 5080 1424 28% 0.00 1458 1229 84% 3.3
Help! 3239 465 14% 0.00 404 278 69% 6.5
Intellectual Property 186 52 28% 0.04 34 19 56% 8.8
Jack and Jill 270 84 31% 0.19 44 28 64% 9.0
Life Forms 1325 269 20% 0.07 205 123 60% 6.7
Mall Mania 567 182 32% 0.03 137 116 85% 5.3
Map 188 33 18% 0.00 47 26 55% 7.0
Paintball II 450 115 26% 0.00 105 76 72% 5.2
Perfect Pth Powers 10216 1573 15% 0.00 1292 947 73% 5.5
Prerequisites? 1120 679 61% 0.00 587 560 95% 1.9
Pseudoprime numbers 1785 733 41% 0.00 642 561 87% 3.6
Rinse 105 19 18% 0.00 28 18 64% 8.1
Rocket Stages 408 103 25% 0.03 54 34 63% 4.4
Rock-Paper-Scissors Tournament 6274 1576 25% 0.02 1268 1036 82% 4.0
Russian Dolls 1331 39 3% 0.00 77 30 39% 7.9
Structural Equivalence 17 6 35% 0.00 9 6 67% 5.9
Subway 423 137 32% 0.00 138 118 86% 5.0
Tautology 1034 465 45% 0.00 369 336 91% 3.2
Test 139 70 50% 0.00 61 45 74% 6.6
The Trip, 2007 1159 433 37% 0.01 375 328 87% 2.9
Tour de France 1931 693 36% 0.00 668 584 87% 2.7
Tournament 46 7 15% 0.04 12 7 58% 7.5
Treasure Map 235 93 40% 0.01 76 63 83% 5.3
Treequivalence 89 28 31% 0.00 28 21 75% 7.6
War on Weather 318 147 46% 0.00 143 129 90% 3.4
WFF 'N PROOF 785 303 39% 0.00 298 263 88% 2.9
XYZZY 2135 384 18% 0.01 338 242 72% 6.7