Problems from North America Championship 2020

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
All Kill0.001091647244%6.0Harden
Another Coin Weighing Puzzle0.0016159020535%6.7Harden
Bomas0.18156050214328%8.1Harden
Editing Explosion0.0625521214066%6.3Harden
Grid Guardian0.6316301414532%8.2Harden
Hopscotch 500.002352960114239%2.7Easyen
ICPC Camp0.16577116735731%5.1Mediumen
Letter Wheels0.00588112640036%5.6Harden
Lunchtime Name Recall0.27111870416624%8.4Harden
Mini Battleship0.01775228367830%7.2Harden
Rooted Subtrees0.12850131541031%4.0Mediumen
Tomb Raider0.03160842611427%5.6Harden