Thefinalistsofthe"RussianCodeCup"competitionin2214willbetheparticipantswhowininoneoftheeliminationrounds.Theeliminationroundsaredividedintomainandadditional.Eachofthemaineliminationroundsconsistsof c problems,thewinnersoftheroundarethefirst n peopleintheratinglist.Eachoftheadditionaleliminationroundsconsistsof d problems.Thewinneroftheadditionalroundisoneperson.Besides, k winnerso...
DescriptionOneofthemorepopularactivitiesinSanAntonioistoenjoymargaritasintheparkalongtheriverknowasthe RiverWalk.MargaritasmaybepurchasedatmanyestablishmentsalongtheRiverWalkfromfancyhotelsto Joe’sTacoandMargarita stand.(TheproblemisnottofindouthowJoegotaliquorlicense.ThatinvolvesTexaspoliticsandthusismuchtoodifficultforanACMcontestproblem.)Thepricesofthemargaritasvarydepen...
DescriptionThecowsaregoingtospace!Theyplantoachieveorbitbybuildingasortofspaceelevator:agianttowerofblocks.TheyhaveK(1<=K<=400)differenttypesofblockswithwhichtobuildthetower.Eachblockoftypeihasheighth_i(1<=h_i<=100)andisavailableinquantityc_i(1<=c_i<=10).Duetopossibledamagecausedbycosmicrays,nopartofablockoftypeicanexceedamaximumaltitudea_i(1<=a_i<=40000).Helptheco...
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