Problems by Ulf Lundström

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A1 Paper0.00983096240178%4.5Mediumen
Alphabet Animals0.001202506183473%3.2Mediumen
Black Friday0.00824994444289%1.7Easyen
Car Game0.0631560539365%5.7Harden
Card Hand Sorting0.0047930424380%4.4Mediumen
Coast Length0.012573253280286%2.5Easyen
Erase Securely0.00614798449494%1.8Easyen
Exhaustive Experiment0.065591077267%8.0Harden
Falling Mugs0.00861612136885%3.7Mediumen
Flag Quiz0.009385072986%3.1Mediumen
Galactic Warlords0.0048222216273%6.5Harden
Kayaking Trip0.0154683967480%5.1Mediumen
Kindergarten Excursion0.00631378115984%3.4Mediumen
Lifting Walls0.001761302108583%3.9Mediumen
Luggage0.06596805771%7.2Harden
Number Trick0.0022856334762%6.8Harden
Proteins0.015261017978%5.5Harden
Restaurant Orders0.002822761214678%3.7Mediumen
Tomography0.009573962685%3.6Mediumen
Tomosynthesis0.001191403280%4.8Mediumen
Vacuum Tubes0.004191168775%6.1Harden
Virus Replication0.001002159181184%3.4Mediumen
X-ray spectrum0.00385796684%4.0Mediumen