Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001091978342%6.2Harden
Another Coin Weighing Puzzle0.0016162321334%6.6Harden
Bomas0.18156053314828%7.9Harden
Editing Explosion0.0625525915961%6.3Harden
Grid Guardian0.6316301644628%8.3Harden
Hopscotch 500.002353019116238%2.6Easyen
ICPC Camp0.16577121236930%5.1Mediumen
Letter Wheels0.00588118441335%5.5Harden
Lunchtime Name Recall0.27111872816723%8.6Harden
Mini Battleship0.01775232169330%7.1Harden
Rooted Subtrees0.12850136041831%4.0Mediumen
Tomb Raider0.03160849612124%5.2Mediumen