Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00519101619032%3.0Mediumen
Biggest Slice0.005178742224%6.1Harden
Erratic Ants0.005205259929%4.8Mediumen
Even Up Solitaire0.0059951399040%2.5Easyen
Goldbach's Conjecture0.0057227293241%2.2Easyen
Island Buses0.00137582024630%6.7Harden
Oddities0.005453502390253%1.3Easyen
Plotting Polynomials0.00557441272%2.5Easyen
Shotcube0.1719044456515%8.8Harden
Ternarian Weights0.005201066833%3.8Mediumen
Trapezoid Walkway0.0026080141452%3.3Mediumen