Problems from 2013 ACM-ICPC North American Qualifier

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
4 thought0.00518533602633%3.1Mediumen
Biggest Slice0.005176441624%6.2Harden
Erratic Ants0.005198857929%4.9Mediumen
Even Up Solitaire0.0059736389940%2.7Easyen
Goldbach's Conjecture0.0057128289041%2.1Easyen
Island Buses0.00137581024030%6.8Harden
Oddities0.005444922349253%1.3Easyen
Plotting Polynomials0.00556641273%2.4Easyen
Shotcube0.1719044406515%8.6Harden
Ternarian Weights0.005199166033%3.9Mediumen
Trapezoid Walkway0.0026079340952%3.4Mediumen