welcome innopolis city throughout year innopolis citizen suffer everlaste city construction from window room sequence n hills ith height ai the Innopolis administration want build house hill however sake city appearance house build hill strictly high neighbouring hill present for example sequence height 5462 house build hill height 5 6 onlyThe innopolis administration excavator decrease height arbitrary hill hour the excavator work hill time it allow decrease hill zero height negative value increase height hill impossible the city administration wants build k house k hills satisfy condition what minimum time require adjust hill achieve administration planhowever exact value k determined calculate answer k range here denote n divide rounded