POJ-1797Heavy Transportation,最短路变形,用dijkstra稍加修改就可以了;
HeavyTransportationTimeLimit: 3000MS MemoryLimit: 30000K DescriptionBackground HugoHeavyishappy.AfterthebreakdownoftheCargolifterprojecthecannowexpandbusiness.Butheneedsaclevermanwhotellshimwhethe