static void Main(string[] args) { string path = @"D:\resource\"; Console.Write("Please Input File Name with extension: "); string filename = Console.ReadLine(); ReadFile file = new ReadFile(path + filename); string[] data = file.data(); DataAnalysis dataanalysis = new DataAnalysis(data); int[] personBillNum = dataanalysis.peopleBillNum(); int[] personNum = dataanalysis.peopleNum(); //foreach (int i in personBillNum) //{ // Console.WriteLine(i); //} //foreach (int i in personNum) //{ // Console.WriteLine(i); //} int[] personIndex = GetPersonIndex.PersonIndex(data.Length, personBillNum); int[] groupIndex = GetGroupIndex.GroupIndex(data.Length, personNum); float[,] personBill = GetPersonBill.PersonBill(personIndex, groupIndex, data); WriteResult.Write(data, personBill, personIndex, groupIndex, path, filename); Console.ReadKey(); }