Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00519147605632%3.1Mediumen
Biggest Slice0.005177942024%6.0Harden
Erratic Ants0.005203159529%4.7Mediumen
Even Up Solitaire0.00510403419240%2.4Easyen
Goldbach's Conjecture0.0057074288241%2.1Easyen
Island Buses0.00137582924930%6.7Harden
Oddities0.005461262425153%1.3Easyen
Plotting Polynomials0.00557340270%2.5Easyen
Shotcube0.1719044536514%8.8Harden
Ternarian Weights0.005202166433%3.7Mediumen
Trapezoid Walkway0.0026079541452%3.2Mediumen