HDOJ(HDU) 1898 Sempr == The Best Problem Solver?(水题、、、)
ProblemDescriptionAsisknowntoall,Sempr(LiangjingWang)hadsolvedmorethan1400problemsonPOJ,butnobodyknowthedaysandnightshehadspentonsolvingproblems.Xiangsanzi(ChenZhou)wasaperfectproblemsolvertoo.Nowthis