C Program to find the Multiplication of two matrices

C Program to find the Multiplication of two matrices. C Program Develop functions
a) To read a given matrix
b) To output a matrix
c) To compute the product of two matrices
Use the above functions to read in two matrices A (MxN) B (NxM), to compute the product of the two matrices, to output the given matrices and the computed matrix in a main function
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#include <stdio.h>
#include <conio.h>
#define MAXROWS 10
#define MAXCOLS 10

void main()
{
int A[MAXROWS][MAXCOLS], B[MAXROWS][MAXCOLS], C[MAXROWS][MAXCOLS];
int M, N;

/*Function declarations*/

void readMatrix(int arr[][MAXCOLS], int M, int N);
void printMatrix(int arr[][MAXCOLS], int M, int N);
void productMatrix(int A[][MAXCOLS], int B[][MAXCOLS], int C[][MAXCOLS],
int M, int N);

clrscr();

printf("Enter the value of M and Nn");
scanf("%d %d",&M, &N);
printf ("Enter matrix An");
readMatrix(A,M,N);
printf("Matrix An");
printMatrix(A,M,N);

printf ("Enter matrix Bn");
readMatrix(B,M,N);
printf("Matrix Bn");
printMatrix(B,M,N);

productMatrix(A,B,C, M,N);

printf ("The product matrix isn");
printMatrix(C,M,N);
}

/*Input matrix A*/
void readMatrix(int arr[][MAXCOLS], int M, int N)
{
int i, j;
for(i=0; i< M ; i++)
{
for ( j=0; j < N; j++)
{
scanf("%d",&arr[i][j]);
}
}
}
void printMatrix(int arr[][MAXCOLS], int M, int N)
{
int i, j;
for(i=0; i< M ; i++)
{
for ( j=0; j < N; j++)
{
printf("%3d",arr[i][j]);
}
printf("n");
}
}

/* Multiplication of matrices */
void productMatrix(int A[][MAXCOLS], int B[][MAXCOLS], int C[][MAXCOLS],
int M, int N)
{
int i, j, k;
for(i=0; i< M ; i++)
{
for ( j=0; j < N; j++)
{
C[i][j] = 0 ;
for (k=0; k < N; k++)
{
C[i][j] = C[i][j] + A[i][k] * B[k][j];
}
}
}
}
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