Problems from KTH Challenge 2015

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
A1 Paper0.00982973230377%4.6Mediumen
Black Friday0.00824773422789%1.8Easyen
Odd Binomial Coefficients0.005556248085%3.7Mediumen
Proteins0.01526997778%4.9Mediumen
Shibuya Crossing0.0040721114368%6.3Harden
The Addition Game0.001216632540%8.9Harden
Xortris0.004521239376%6.9Harden