Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00520141630331%3.1Mediumen
Biggest Slice0.005188644724%5.8Harden
Erratic Ants0.005224462628%5.2Mediumen
Even Up Solitaire0.00510803436240%2.3Easyen
Goldbach's Conjecture0.0057752317041%2.0Easyen
Island Buses0.00111894828430%6.3Harden
Oddities0.005475052496753%1.3Easyen
Plotting Polynomials0.00558341070%2.5Easyen
Shotcube0.1719044546615%8.7Harden
Ternarian Weights0.005214372734%3.2Mediumen
Trapezoid Walkway0.0026083543352%3.2Mediumen