Problems by Ulf Lundström

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A1 Paper0.00982964229477%4.7Mediumen
Alphabet Animals0.001202471180573%3.2Mediumen
Black Friday0.00824741419588%1.8Easyen
Car Game0.0631560639465%5.8Harden
Card Hand Sorting0.0047930324180%4.5Mediumen
Coast Length0.012573120268186%2.6Easyen
Erase Securely0.00614612431394%1.9Easyen
Exhaustive Experiment0.065591077267%7.8Harden
Falling Mugs0.00861551131685%3.6Mediumen
Flag Quiz0.0013782070085%3.3Mediumen
Galactic Warlords0.0048221615672%6.6Harden
Kayaking Trip0.0154681265180%5.3Mediumen
Kindergarten Excursion0.00631242104684%3.5Mediumen
Lifting Walls0.001761253104183%4.4Mediumen
Luggage0.06596795570%7.9Harden
Number Trick0.0022853032862%6.7Harden
Proteins0.01566866474%6.4Harden
Restaurant Orders0.002822502192177%4.0Mediumen
Tomography0.0011767456784%3.7Mediumen
Tomosynthesis0.001191393077%5.6Harden
Vacuum Tubes0.004191128374%6.3Harden
Virus Replication0.001001967164584%3.8Mediumen
X-ray spectrum0.00531766282%4.8Mediumen