Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00521346673732%3.2Mediumen
Biggest Slice0.005229149322%6.9Harden
Erratic Ants0.005243065627%5.3Mediumen
Even Up Solitaire0.00511420463841%2.1Easyen
Goldbach's Conjecture0.0058121333841%2.0Easyen
Island Buses0.00111899429029%6.3Harden
Oddities0.005498602586252%1.6Easyen
Plotting Polynomials0.00562643369%2.5Easyen
Shotcube0.1719044716714%8.7Harden
Ternarian Weights0.005220875634%3.2Mediumen
Trapezoid Walkway0.0026086744351%3.3Mediumen