View difference between Paste ID: GXwkxJWM and wdg56kWS

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.IO;
 using System.Globalization;
 
 namespace Matrix
 {
-        {
+
-            string dataName ="data" + Console.ReadLine();
+
-            dataName += ".txt";
+
-
+
-            var data = File.ReadAllLines(dataName);
+            Console.WriteLine("введите название файла *data#.txt*");
-
+            int NumbX = 0;
             var userInput = Console.ReadLine();
-
+            var data = File.ReadAllLines(userInput);
             var numberOfur = int.Parse(data[0]);
-
+
             var sqrs = new double[numberOfur];
-
+
             var determinant = CalculateDeterminat(mathrix, sqrs);
-
+
             foreach (var a in answers)
-
+
                 Console.WriteLine($"X{NumbX} == {a}");
-
+                NumbX++;
-            Int16 i = 0;
+
-            Console.WriteLine(dataName);
+
-            foreach (var answer in answers)
+
 
-                Console.WriteLine("x[{0}] = {1}",i,Math.Round(answer,3));
+
-                ++i;
+
         private static void InitialiseData(double[,] matrix, double[] sqrs, string[] data, int numberOfur)
         {
             for (int i = 1; i < numberOfur + 1; i++)
             {
                 var dataInLine = data[i].Split().Select(x => double.Parse(x, CultureInfo.InvariantCulture)).ToArray();
                 for (int j = 0; j < numberOfur; j++)
                 {
                     matrix[i - 1, j] = dataInLine[j];
                 }
                 sqrs[i - 1] = dataInLine[numberOfur];
             }
         }
 
         private static double[] CalculateAnswers(double[,] mathrix, double[] sqrs, double determinant)
         {
             var answers = new double[sqrs.Length];
             for (int i = 0; i < sqrs.Length; i++)
             {
                 var cahce = new double[sqrs.Length];
                 for (int j = 0; j < sqrs.Length; j++)
                 {
                     cahce[j] = mathrix[j, i];
                     mathrix[j, i] = sqrs[j];
                 }
                 var matrix = new double[sqrs.Length, sqrs.Length];
                 for (int a = 0; a < sqrs.Length; a++)
                     for (int b = 0; b < sqrs.Length; b++)
                         matrix[a, b] = mathrix[a, b];
                 answers[i] = CalculateDeterminat(matrix, new double[sqrs.Length]) / determinant;
                 for (int j = 0; j < sqrs.Length; j++)
                 {
                     mathrix[j, i] = cahce[j];
                 }
             }
             return answers;
         }
 
         private static double CalculateDeterminat(double[,] matrix, double[] sqrs)
         {
             var determinant = matrix[0, 0];
             var index = 0;
             while (index < sqrs.Length - 1)
             {
                 for (int i = index; i < sqrs.Length - 1; i++)
                 {
                     var delitel = matrix[i + 1, index] / matrix[index, index];
                     for (int j = 0; j < sqrs.Length; j++)
                     {
                         matrix[i + 1, j] -= matrix[index, j] * delitel;
 
                     }
                     sqrs[i + 1] -= sqrs[index] * delitel;
                 }
                 index++;
                 determinant *= matrix[index, index];
 
             }
             return determinant;
         }
     }
 }