Enter rows of the matrices: 2 Enter Column of the matrices: 2 Enter elements in first matrix of size 2x2 Enter element (0 0): 1 Enter element (0 1): 2 Enter element (1 0): 3 Enter element (1 1): 4 Enter elements in second matrix of size 2x2 Enter element (0 0): 5 Enter element (0 1): 6 Enter element (1 0): 0 Enter element (1 1): 7 First Matrix is: 1 2 з 4 Second Matrix is: 5 6 0 7 Product of both matrices is : 5 20 15 46

In this c langauge program, please change the code but same output.

Source Code:

/**
 * C program to multiply two matrix using pointers
 */

#include <stdio.h>

#define ROW 100
#define COL 100

/* Function declarations */
void matrixInput(int mat[][COL],int,int);
void matrixPrint(int mat[][COL],int,int);
void matrixMultiply(int mat1[][COL], int mat2[][COL], int res[][COL],int,int);

int main()
{
    int mat1[ROW][COL];
    int mat2[ROW][COL];
    int product[ROW][COL];
    int r,c;

    printf("Enter rows of the matrices: ");
    scanf("%d",&r);
    printf("Enter Column of the matrices: ");
    scanf("%d",&c);
    /*
     * Input elements in matrices.
     */
    printf("Enter elements in first matrix of size %dx%d\n", r, c);
    matrixInput(mat1,r,c);

    printf("Enter elements in second matrix of size %dx%d\n", r, c);
    matrixInput(mat2,r,c);

    // Call function to multiply both matrices
    matrixMultiply(mat1, mat2, product,r,c);

    
    // Print first matrix
    printf("First Matrix is: \n");
    matrixPrint(mat1,r,c);
    // Print Second matrix
    printf("Second Matrix is: \n");
    matrixPrint(mat2,r,c);
    // Print product of both matrix
    printf("Product of both matrices is : \n");
    matrixPrint(product,r,c);

    return 0;
}

/**
 * Function to input elements in matrix from user.
 */
void matrixInput(int mat[][COL],int row,int col)
{
    int i,j;

    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            printf("Enter element (%d %d): ",i,j);
            scanf("%d", (*(mat + i) + j));
        }
    }
}

/**
 * Function to print elements in a two-dimensional array.
 */
void matrixPrint(int mat[][COL],int row,int col)
{
    int i,j;

    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            printf("%d ", *(*(mat + i) + j));
        }

        printf("\n");
    }
}

/**
 * Function to multiply two matrices.
 */
void matrixMultiply(int mat1[][COL], int mat2[][COL], int res[][COL],int row,int col)
{
    int i,j,k;
    int sum;

    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            sum = 0;

            /*
             * Find sum of product of each elements of 
             * rows of first matrix and columns of second 
             * matrix.
             */
            for (k = 0; k < col; k++)
            {
                sum += (*(*(mat1 + i) + k)) * (*(*(mat2 + k) + j));
            }

            /* 
             * Store sum of product of row of first matrix 
             * and column of second matrix to resultant matrix.
             */
            *(*(res + i) + j) = sum;
        }
    }
}

See the picture below that's the output of this program. Thank you