HDU/HDOJ 2854 2009 Multi-University Training Contest 5 - Host by NUDT 数论
CentralMeridianNumberTimeLimit:2000/1000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):210AcceptedSubmission(s):117ProblemDescriptionACentralMeridian(ACM)NumberNisapositiveinte