Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00520070628531%3.1Mediumen
Biggest Slice0.005188144624%5.9Harden
Erratic Ants0.005222762628%5.1Mediumen
Even Up Solitaire0.00510646432641%2.1Easyen
Goldbach's Conjecture0.0057729316441%2.0Easyen
Island Buses0.00111894228330%6.3Harden
Oddities0.005474192493053%1.3Easyen
Plotting Polynomials0.00558040971%2.5Easyen
Shotcube0.1719044546615%8.7Harden
Ternarian Weights0.005214372734%3.2Mediumen
Trapezoid Walkway0.0026083543352%3.2Mediumen