Problems by Bill Liu

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Buried Treasure0.0071519216284%4.2Mediumen
Gym Leader's Territory0.0217822218182%3.4Mediumen
Mahjong Madness0.00846675988%3.1Mediumen
Tricky Triangulation0.00613875867%7.3Harden