Problems by Ulf Lundström

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
A1 Paper0.00988919261229%4.4Mediumen
Alphabet Animals0.0012011910211918%4.0Mediumen
Black Friday0.008210587406938%2.4Easyen
Car Game0.10522273175828%6.1Harden
Card Hand Sorting0.0066565526140%4.3Mediumen
Coast Length0.012759496341236%3.3Mediumen
Erase Securely0.00618353417950%1.7Easyen
Exhaustive Experiment0.065593657119%8.4Harden
Falling Mugs0.00895160127725%3.8Mediumen
Flag Quiz0.00289192461432%3.7Mediumen
Galactic Warlords0.0048268915522%6.9Harden
Kayaking Trip0.01682266268726%4.2Mediumen
Kindergarten Excursion0.00633356109833%3.7Mediumen
Lifting Walls0.001765319128824%4.5Mediumen
Luggage0.065964377617%6.6Harden
Number Trick0.00228244041217%6.8Harden
Proteins0.017182568031%6.0Harden
Restaurant Orders0.0147311866245921%5.7Harden
Tomography0.00273222357226%4.3Mediumen
Tomosynthesis0.0011911273830%4.8Mediumen
Vacuum Tubes0.004193299930%6.3Harden
Virus Replication0.001007254179125%3.5Mediumen
X-ray spectrum0.005312365423%6.6Harden