Problems by Lewin Gan

Languages
AND Permutation0.142094409421%4.8Mediumen
Archery Accuracy0.018711193429%6.9Harden
Avoiding Airports0.081396100419519%7.1Harden
Branch Manager0.0332946711525%5.9Harden
Circle of Friends0.139333678222%6.6Harden
Cookie Cutter1.8122763385015%8.9Harden
Double Sort0.129821071211%7.5Harden
Early Orders0.014183127524%5.8Harden
Exponent Exchange0.009692085125%8.1Harden
Frequent Flier0.023511716639%6.2Harden
Game Show Elimination0.49558817318%6.8Harden
Ketek Counting0.0610011364634%6.7Harden
Leaderboard Effect0.7611192927927%6.4Harden
Permutation CFG0.252906571628%7.9Harden
Problem Set Construction0.01940493367%4.8Mediumen
Rainbow Roads0.0285465919630%5.6Harden
Repetitive String Invention0.0210042124923%6.4Harden
Special Cycle0.00244032193%9.6Harden
Splitting Pairs0.00217844857%3.2Mediumen
Token Game0.2011751304132%6.7Harden
XOR Island0.002912008140%6.1Harden