C Program For Multiplication of two matrices | matrices 3D Array Program in C

Multiplication of two matrices in C | C Program For Multiplication of two matrices | matrices 3D Array Program in C

void
multmatrix (int a[M][N], int b[N][P], int c[M][P])
{
   int i,j,k;
        
   for (i=0; i<M; ++i)
      for (j=0; j<P; ++j)
      {
         c[i][j]=0.0;
         for (k=0; k<N; ++k)
            c[i][j] = c[i][j] + a[i][k] * b[k][j];
      }
}


int
main (void)
{
int i,j;
int mat1[M][N]={{1,2,2,2},{2,-3,6,4},{8,1,0,-3}};
int mat2[N][P]={{1,1,1,0,3},{2,3,1,6,2},{1,-1,-1,8,3},{0,1,2,3,4}};
int matprod[M][P];
 
/* do the multiplication */
multmatrix (mat1, mat2, matprod);
 
/* display the resulting matrix */
for (i=0; i<M; ++i)
{
   for (j=0; j<P; ++j)
      printf ("%4d  ", matprod[i][j]);
   printf ("\n");
}
 
return (0);
}