Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001811517449%5.8Harden
Another Coin Weighing Puzzle0.0026257119634%6.6Harden
Bomas0.18156046013930%7.5Harden
Editing Explosion0.0625520513968%6.2Harden
Grid Guardian0.6316301214134%7.9Harden
Hopscotch 500.002352849110239%2.6Easyen
ICPC Camp0.16577113434631%5.1Mediumen
Letter Wheels0.00588108638636%5.4Mediumen
Lunchtime Name Recall0.27111869616323%8.8Harden
Mini Battleship0.01775152956137%4.5Mediumen
Rooted Subtrees0.12850124437930%4.0Mediumen
Tomb Raider0.03162240310927%5.6Harden