Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001811567045%6.2Harden
Another Coin Weighing Puzzle0.0016157920135%6.6Harden
Bomas0.18156047714230%7.6Harden
Editing Explosion0.0625520513968%6.3Harden
Grid Guardian0.6316301364432%8.3Harden
Hopscotch 500.002352873111239%2.6Easyen
ICPC Camp0.16577114335231%5.1Mediumen
Letter Wheels0.00588109939035%5.4Mediumen
Lunchtime Name Recall0.27111869716424%8.7Harden
Mini Battleship0.01775156958237%4.4Mediumen
Rooted Subtrees0.12850126639131%4.0Mediumen
Tomb Raider0.03162241711227%5.6Harden