Matrix Multiplication

Matrix_Questions/matrixmultiplication.cpp

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+/**
+ * @file matrixmultiplication.cpp
+ * @author your name ([email protected])
+ * @brief
+ * @version 0.1
+ * @date 2024-03-09
+ *
+ * @copyright Copyright (c) 2024
+ *  Write a program in C for the multiplication of two square matrices.
+Test Data :
+Input the rows and columns of first matrix : 2 2
+Input the rows and columns of second matrix : 2 2
+Input elements in the first matrix :
+element - [0],[0] : 1
+element - [0],[1] : 2
+element - [1],[0] : 3
+element - [1],[1] : 4
+Input elements in the second matrix :
+element - [0],[0] : 5
+element - [0],[1] : 6
+element - [1],[0] : 7
+element - [1],[1] : 8
+Expected Output :
+The First matrix is :
+
+1 2
+3 4
+The Second matrix is :
+
+5 6
+7 8
+The multiplication of two matrix is :
+
+19 22
+43 50
+ */
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int n;
+    cout << "Enter size of Matrix: ";
+    cin >> n;
+    int matrix1[n][n];
+    int matrix2[n][n];
+    int matrix[n][n];
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            cout << "Enter element of matrix 1 at " << i << " " << j << " : ";
+            cin >> matrix1[i][j];
+        }
+        cout << endl;
+    }
+    cout << endl;
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            cout << "Enter element of matrix 2 at " << i << " " << j << " : ";
+            cin >> matrix2[i][j];
+        }
+        cout << endl;
+    }
+    cout << endl;
+
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            matrix[i][j] = 0;
+            for (int k = 0; k < n; k++)
+            {
+                matrix[i][j] += matrix1[i][k] * matrix2[k][j];
+            }
+        }
+        cout << endl;
+    }
+    cout << "Multiplication of Matrix : [ " << endl;
+    for (int i = 0; i < n; i++)
+    {
+        for (int j = 0; j < n; j++)
+        {
+            cout << matrix[i][j] << " ";
+        }
+        cout << endl;
+    }
+    cout << "]";
+}
+/**
+ * @brief
+ * Enter size of Matrix: 2
+Enter element of matrix 1 at 0 0 : 1
+Enter element of matrix 1 at 0 1 : 2
+
+Enter element of matrix 1 at 1 0 : 3
+Enter element of matrix 1 at 1 1 : 4
+
+
+Enter element of matrix 2 at 0 0 : 5
+Enter element of matrix 2 at 0 1 : 6
+
+Enter element of matrix 2 at 1 0 : 7
+Enter element of matrix 2 at 1 1 : 8
+
+
+
+
+Multiplication of Matrix : [
+19 22
+43 50
+]
+ *
+ */