Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001091817541%6.4Harden
Another Coin Weighing Puzzle0.0016160820934%6.7Harden
Bomas0.18156052014628%8.0Harden
Editing Explosion0.0625522714162%6.5Harden
Grid Guardian0.6316301554529%8.3Harden
Hopscotch 500.002352989115239%2.6Easyen
ICPC Camp0.16577120436831%5.1Mediumen
Letter Wheels0.00588116140735%5.6Harden
Lunchtime Name Recall0.27111872116723%8.6Harden
Mini Battleship0.01775231269130%7.1Harden
Rooted Subtrees0.12850134041631%4.0Mediumen
Tomb Raider0.03160846811925%5.6Harden