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
Bomas0.18156046113930%7.8Harden
Editing Explosion0.0625520513968%6.2Harden
Grid Guardian0.6316301254133%8.9Harden
Hopscotch 500.002352861110739%2.6Easyen
ICPC Camp0.16577113634831%5.1Mediumen
Letter Wheels0.00588109138735%5.4Mediumen
Lunchtime Name Recall0.27111869616323%8.8Harden
Mini Battleship0.01775153156337%4.5Mediumen
Rooted Subtrees0.12850124938131%4.0Mediumen
Tomb Raider0.03162240711027%5.6Harden