Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001091968242%6.3Harden
Another Coin Weighing Puzzle0.0016162321334%6.6Harden
Bomas0.18156053314828%7.9Harden
Editing Explosion0.0625525815962%6.3Harden
Grid Guardian0.6316301604528%8.3Harden
Hopscotch 500.002353011115938%2.7Easyen
ICPC Camp0.16577121136930%5.1Mediumen
Letter Wheels0.00588118341335%5.5Harden
Lunchtime Name Recall0.27111872716723%8.6Harden
Mini Battleship0.01775232169330%7.1Harden
Rooted Subtrees0.12850134741731%4.0Mediumen
Tomb Raider0.03160849612124%5.2Mediumen