tadeusz.
tadeusz.
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Created by tadeusz. on 1/10/2023 in #help
❔ data[].W_tektście does change even if I didn't use this variable in the Method
          
        static void Main(string[] args)
        {
            Data[] text;

            name = a;
            text = Read(źródło, 1, 100);
            text = Trajektorja(text);
            name = "C:\\Users\\******\\Desktop\\"+name+".txt";
            File.WriteAllLines(@name, Data.SuperLinia(text));
        }
        private static Data[] Trajektorja(Data[] text)
        {
            int k = text.Length;
            for (int i = 0; i < k; i++)
            {
                Console.WriteLine(text[i].W_tektście);
                text[i].dane = Trajektorja(text, i);
                Console.WriteLine(text[i].W_tektście);
            }
            name += "_Power";
            return text;
        }
        private static double Trajektorja(Data[] txt, int i)
        {
            double sum = 0;
            i++;
            txt = Sort(txt, i);
            double a = i * i + i;
            for (int j = 0; j < i; j++)
            {
                txt[j].GetmanyData();    //Convert string of DD.MM.YYYY hh:mm into many int
                txt[j].DataNaLiczby();   //Convert D, M, Y, h and m into a number value double
                sum += (i - 1 - 2 * j)/a * txt[j].Ilość_dni;
            }
            Console.WriteLine(txt[i-1].W_tektście);
            return sum;
        }
          
        static void Main(string[] args)
        {
            Data[] text;

            name = a;
            text = Read(źródło, 1, 100);
            text = Trajektorja(text);
            name = "C:\\Users\\******\\Desktop\\"+name+".txt";
            File.WriteAllLines(@name, Data.SuperLinia(text));
        }
        private static Data[] Trajektorja(Data[] text)
        {
            int k = text.Length;
            for (int i = 0; i < k; i++)
            {
                Console.WriteLine(text[i].W_tektście);
                text[i].dane = Trajektorja(text, i);
                Console.WriteLine(text[i].W_tektście);
            }
            name += "_Power";
            return text;
        }
        private static double Trajektorja(Data[] txt, int i)
        {
            double sum = 0;
            i++;
            txt = Sort(txt, i);
            double a = i * i + i;
            for (int j = 0; j < i; j++)
            {
                txt[j].GetmanyData();    //Convert string of DD.MM.YYYY hh:mm into many int
                txt[j].DataNaLiczby();   //Convert D, M, Y, h and m into a number value double
                sum += (i - 1 - 2 * j)/a * txt[j].Ilość_dni;
            }
            Console.WriteLine(txt[i-1].W_tektście);
            return sum;
        }
The text[i].W_tektście change into txt.[i].W_tektście and because txt was sorted, it is not the same string value. Sort(Data[] name, int size) sort name.czas_solv from smallest to biggest and additionaly change name.W_tektście place according to name.czas_solv. I checked the value of sum/text.dane and they are in correct order. Why does the second Trajektorja change text.W_tektście even if it return a double value sum?
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