Problems by Liam Keliher

Name Fastest Shortest Total Acc. Ratio Difficulty Languages
1-D Frogger (Easy) 0.00 222 2048 454 22% 3.6Medium en
1-D Frogger (Hard) 0.05 707 1195 102 9% 8.7Hard en
AVL++ 0.00 296 51 16 31% 5.3Medium en
Bike Gears 0.00 237 1332 292 22% 5.2Medium en
Canonical Coin Systems 0.01 263 6206 1291 21% 4.9Medium en
Divisibility Shortcut 0.00 209 410 149 36% 4.2Medium en
Doubleplusgood 0.01 161 824 476 58% 2.6Easy en
Feistel Fun 0.00 286 112 36 32% 8.3Hard en
Fractal Area 0.00 145 1101 504 46% 2.8Medium en
Greedy Polygons 0.00 89 1181 857 73% 1.6Easy en
Greedy Polygons Revisited 0.00 487 299 113 38% 5.5Hard en
Groupthink 0.00 520 76 32 42% 5.0Medium en
Hangman 0.00 84 4715 2757 58% 1.6Easy en
Impossible Prices 0.00 361 446 92 21% 7.7Hard en
Less vs. Fewer 0.00 211 507 301 59% 1.9Easy en
Litespace 0.00 1427 1018 251 25% 5.0Medium en
Luhn's Checksum Algorithm 0.00 86 3619 2102 58% 1.6Easy en
Meeting Points 0.01 263 267 50 19% 6.6Hard en
Ocean's Anti-11 0.00 114 3750 1357 36% 2.9Medium en
Ocean's Anti-11 (Hard) 0.01 348 718 183 25% 7.9Hard en
Pandemic Shopping 0.00 399 311 84 27% 7.2Hard en
Parent Gap 0.00 51 456 248 54% 2.2Easy en
Party Game 0.00 333 276 98 36% 4.4Medium en
Prime Bitcount 0.06 1332 184 49 27% 6.1Hard en
Round Trips 0.05 1026 599 213 36% 5.7Hard en
Royal Family Tree 0.00 511 59 23 39% 4.4Medium en
School Spirit 0.00 105 2019 1316 65% 1.6Easy en
Shortlex 0.00 59 147 61 41% 4.5Medium en
Taxi Driver 0.02 1008 152 43 28% 6.2Hard en
The Wrath of Kahn 0.03 1139 623 129 21% 6.9Hard en
UTF-8 0.00 422 368 176 48% 2.2Easy en