C# Program to Add Two Matrices

using System;

class MatrixAddition
{
    static void Main()
    {
        Console.WriteLine("Matrix Addition Program");
        
        Console.Write("Enter the number of rows: ");
        int rows = int.Parse(Console.ReadLine());

        Console.Write("Enter the number of columns: ");
        int columns = int.Parse(Console.ReadLine());

        int[,] matrixA = new int[rows, columns];
        int[,] matrixB = new int[rows, columns];
        int[,] sumMatrix = new int[rows, columns];

        Console.WriteLine("Enter the elements of Matrix A:");
        ReadMatrix(matrixA);

        Console.WriteLine("Enter the elements of Matrix B:");
        ReadMatrix(matrixB);

        // Perform matrix addition
        for (int i = 0; i < rows; i++)
        {
            for (int j = 0; j < columns; j++)
            {
                sumMatrix[i, j] = matrixA[i, j] + matrixB[i, j];
            }
        }

        Console.WriteLine("Sum of Matrix A and Matrix B:");
        PrintMatrix(sumMatrix);
    }

    static void ReadMatrix(int[,] matrix)
    {
        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            for (int j = 0; j < matrix.GetLength(1); j++)
            {
                Console.Write($"Enter element at position [{i + 1},{j + 1}]: ");
                matrix[i, j] = int.Parse(Console.ReadLine());
            }
        }
    }

    static void PrintMatrix(int[,] matrix)
    {
        for (int i = 0; i < matrix.GetLength(0); i++)
        {
            for (int j = 0; j < matrix.GetLength(1); j++)
            {
                Console.Write(matrix[i, j] + "\t");
            }
            Console.WriteLine();
        }
    }
}