Problems from 2018 ICPC North American Qualifier Contest

Languages
Bingo Ties0.00755257737314%7.7Harden
Das Blinkenlights0.00456899295743%1.9Easyen
Ebony and Ivory0.00116544420546%5.4Mediumen
Froggie0.00598355256216%6.1Harden
Fruit Slicer0.00623111017316%7.3Harden
LCM Tree0.0717151192521%8.8Harden
Left and Right0.01652751117943%3.0Mediumen
Longest Life0.0391348212927%7.3Harden
Monitoring Ski Paths0.0257378920826%7.1Harden
Peg Game for Two0.0146253234765%3.2Mediumen
Run-Length Encoding, Run!0.00845719308354%2.1Easyen
Superdoku0.0097684023428%7.0Harden
Triangular Clouds0.114942667227%7.8Harden