Problems by Ulf Lundström

Name Fastest Shortest Total Acc. Ratio Difficulty Languages
A1 Paper 0.00 109 8178 2444 30% 3.9Medium en
Alphabet Animals 0.00 281 10903 1844 17% 4.9Medium en
Black Friday 0.00 138 10250 3968 39% 2.2Easy en
Card Hand Sorting 0.00 665 617 249 40% 4.2Medium en
Car Game 0.10 522 2616 737 28% 5.9Hard en
Coast Length 0.01 296 8292 3057 37% 3.2Medium en
Erase Securely 0.00 98 7646 3919 51% 1.7Easy en
Exhaustive Experiment 0.06 559 231 52 23% 6.5Hard en
Falling Mugs 0.00 99 4597 1156 25% 4.5Medium en
Flag Quiz 0.00 289 1688 544 32% 3.5Medium en
Galactic Warlords 0.00 482 677 152 22% 6.7Hard en
Kayaking Trip 0.01 682 1751 520 30% 4.6Medium en
Kindergarten Excursion 0.00 71 2974 975 33% 3.5Medium en
Lifting Walls 0.00 436 4704 1108 24% 4.4Medium en
Luggage 0.06 596 334 56 17% 6.7Hard en
Number Trick 0.00 351 2303 407 18% 6.5Hard en
Proteins 0.01 773 227 66 29% 6.3Hard en
Restaurant Orders 0.01 490 10365 2148 21% 5.4Medium en
Tomography 0.00 298 2136 551 26% 3.9Medium en
Tomosynthesis 0.00 1191 118 36 31% 4.7Medium en
Vacuum Tubes 0.01 643 290 82 28% 5.9Hard en
Virus Replication 0.00 175 6938 1705 25% 3.3Medium en
X-ray spectrum 0.00 531 212 51 24% 6.0Hard en