Problems from North America Championship 2020

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
All Kill 53 44 83% 0.00 32 29 91% 2.6
Another Coin Weighing Puzzle 357 117 33% 0.00 102 86 84% 4.5
Bomas 360 109 30% 0.18 64 52 81% 6.0
Editing Explosion 96 77 80% 0.06 50 47 94% 3.6
Grid Guardian 67 27 40% 0.63 15 10 67% 7.6
Hopscotch 50 704 336 48% 0.00 258 239 93% 2.4
ICPC Camp 647 177 27% 0.16 134 121 90% 3.3
Letter Wheels 600 200 33% 0.13 153 135 88% 4.1
Lunchtime Name Recall 385 79 21% 1.13 61 41 67% 7.9
Mini Battleship 337 235 70% 0.02 165 155 94% 2.8
Rooted Subtrees 364 155 43% 0.14 122 111 91% 3.6
Tomb Raider 284 72 25% 0.03 65 53 82% 6.8