Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00520891663732%3.2Mediumen
Biggest Slice0.005225748822%7.0Harden
Erratic Ants0.005232264028%5.4Mediumen
Even Up Solitaire0.00511329459741%2.1Easyen
Goldbach's Conjecture0.0058039329241%2.0Easyen
Island Buses0.00111897028629%6.4Harden
Oddities0.005489552563852%1.8Easyen
Plotting Polynomials0.00561042970%2.5Easyen
Shotcube0.1719044606614%8.7Harden
Ternarian Weights0.005219775434%3.3Mediumen
Trapezoid Walkway0.0026085644252%3.3Mediumen