Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00519853624631%3.1Mediumen
Biggest Slice0.005187344324%5.9Harden
Erratic Ants0.005222662528%5.2Mediumen
Even Up Solitaire0.00510546427341%2.2Easyen
Goldbach's Conjecture0.0057708315341%2.0Easyen
Island Buses0.00137592727830%6.3Harden
Oddities0.005469942472153%1.3Easyen
Plotting Polynomials0.00558040971%2.5Easyen
Shotcube0.1719044546615%8.7Harden
Ternarian Weights0.005214372734%3.2Mediumen
Trapezoid Walkway0.0026083343252%3.2Mediumen