Problems by Ulf Lundström

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A1 Paper0.00982997232277%4.6Mediumen
Alphabet Animals0.001202479180973%3.3Mediumen
Black Friday0.00824823427689%1.8Easyen
Car Game0.0631560439265%5.8Harden
Card Hand Sorting0.0047930324180%4.5Mediumen
Coast Length0.012573181273986%2.3Easyen
Erase Securely0.00614682438094%1.9Easyen
Exhaustive Experiment0.065591077267%7.9Harden
Falling Mugs0.00861557132285%3.6Mediumen
Flag Quiz0.0013782970986%3.2Mediumen
Galactic Warlords0.0048221515572%6.6Harden
Kayaking Trip0.0154681565180%5.3Mediumen
Kindergarten Excursion0.00631272106784%3.7Mediumen
Lifting Walls0.001761275105983%4.2Mediumen
Luggage0.06596785571%7.5Harden
Number Trick0.0022852932762%6.7Harden
Proteins0.01526997778%5.3Mediumen
Restaurant Orders0.002822543195277%4.2Mediumen
Tomography0.0011768257384%3.7Mediumen
Tomosynthesis0.001191382976%5.7Harden
Vacuum Tubes0.004191118274%6.4Harden
Virus Replication0.001002010168984%3.4Mediumen
X-ray spectrum0.00531766282%4.7Mediumen