Problems from German Collegiate Programming Contest (GCPC) 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Amusement Arcade0.0022011655%5.9Harden
Brexiting and Brentering0.006716794%2.5Easyen
Card Trading0.0637012867%6.0Harden
Decrypting Zodiac1.5923838450%7.4Harden
Excursion to Porvoo0.054947457%5.9Harden
Flappy Bird0.41139014214%8.7Harden
Grid Delivery0.033178562%5.6Harden
Hectic Harbour II0.033678675%5.3Mediumen
Index Case0.0410136467%5.6Harden
Joined Sessions0.0921992150%5.6Harden
Killjoys' Conference0.1334211982%4.8Mediumen
Looking for Waldo0.1213178562%6.2Harden
Monty's Hall0.0062171588%4.1Mediumen
Natural Navigation0.66112516531%6.8Harden