Problems from ICPC 2012 North American Qualifier

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Choosing Numbers 489 97 20% 0.02 112 74 66% 6.3
Hitting the Targets 1839 1037 56% 0.00 1008 931 92% 1.7
Loopy Transit 94 45 48% 0.00 46 39 85% 5.0
Maze Movement 344 167 49% 0.06 141 117 83% 4.5
Multi-Touch Gesture Classification 115 28 24% 0.00 25 20 80% 6.6
Out of Context 28 9 32% 0.07 11 6 55% 7.9
Quite a Problem 2845 1206 42% 0.00 1157 1059 92% 1.9
Ragged Right 3344 1686 50% 0.00 1661 1528 92% 1.9
Stacking Curvy Blocks 314 96 31% 0.00 104 86 83% 3.7
Texas Summers 273 81 30% 0.02 82 64 78% 5.0
Unicycle Counting 168 38 23% 0.00 50 33 66% 7.0