英语翻译
Theeliminationroundsaredividedintomainandadditional.Eachofthemaineliminationroundsconsistsofcproblems,thewinnersoftheroundarethefirstnpeopleintheratinglist.Eachoftheadditionaleliminationroundsconsistsofdproblems.Thewinneroftheadditionalroundisoneperson.Besides,kwinnersofthepastfinalsareinvitedtothefinalswithoutelimination.
Asaresultofalleliminationroundsatleastn·mpeopleshouldgotothefinals.Youneedtoorganizeeliminationroundsinsuchaway,thatatleastn·mpeoplegotothefinals,andthetotalamountofusedproblemsinallroundsisassmallaspossible.