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labs/lab5_done/MatrixMultiply/Program.cs

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+using System;
+
+public class Program 
+{
+    public static void Main(string[] args)
+    {
+        int[,] m1 = new int[2, 2];
+        int[,] m2 = new int[2, 2];
+
+        fillQuadraticMatrix(ref m1, 2);
+        fillQuadraticMatrix(ref m2, 2);
+
+        int[,] res = multiplyQuadraticMatrix(m1, m2, 2);
+
+        printQuadraticMatrix(res, 2);
+    }
+
+    static void fillQuadraticMatrix(ref int[,] m, int n)
+    {
+        for (int i = 0; i < n; i++)
+        {
+            for (int j = 0; j < n; j++)
+            {
+                Console.Write("m[{0}][{1}] = ", i, j);
+                m[i, j] = int.Parse(Console.ReadLine());
+            }
+        }
+
+    }
+
+    static void printQuadraticMatrix(int[,] m, int n)
+    {
+        for (int i = 0; i < n; i++)
+        {
+            for (int j = 0; j < n; j++)
+            {
+                Console.Write(m[i, j] + " ");
+            }
+            Console.Write("\n");
+        }
+    }
+
+    static int[,] multiplyQuadraticMatrix(int[,] m1, int[,] m2, int n)
+    {
+        int[,] res = new int[n, n];
+
+        for (int i = 0; i < n; i++)
+        {
+            for (int j = 0; j < n; j++)
+            {
+                for (int k = 0; k < n; k++)
+                {
+                    res[i, j] += m1[i, k] * m2[k, j];
+                }
+            }
+        }
+        return res;
+    }
+
+}