Google中国2015校园招聘笔试Round D APAC Test Problem B. GBus count
ProblemThereexistsastraightlinealongwhichcitiesarebuilt.Eachcityisgivenanumberstartingfrom1.Soifthereare10cities,city1hasanumber1,city2hasanumber2,...city10hasanumber10.Differentbuses(namedGBus)operat