Array039

Input two matrices and print the multiplication of those matrices.

#include <stdio.h>
#include <conio.h>
void main ( )
{
        int      n1[3][3], n2[3][3], n3[3][3], i, j, k, m = 0;
        clrscr( );
           
        printf ("\n\t\t\t Enter numbers in first matrix");
        printf("\n\t\t\t________________________________\n");
        for ( i = 0; i < 3; i++ )
        {                     
                    for ( j = 0; j < 3; j++ )
                    {           
                                printf("\n\t\t\t Position [%d] [%d]..:", i, j); scanf("%d",& n1[i][ j] );
                    }                
        }
        clrscr ( );
        printf ("\n\t\t\t Enter numbers in second matrix");
        printf("\n\t\t\t_________________________________\n");
        for ( i = 0; i < 3; i++ )
        {                        
                    for ( j = 0; j < 3; j++ )
                    {               
                                printf("\n\t\t\t Position [%d] [%d]..:", i, j); scanf("%d",& n2[i][ j]);
                    }
        }
           
        clrscr ( );
        printf("\n\n\n\n\t\t\t\t 1st Matrix\n\t\t\t\t____________\n\n\t\t\t\t");
        for ( i = 0; i < 3; i++ )
        {          
                    for ( j = 0; j < 3; j++ )
                    {           
                                printf ("%3d ", n1[i][ j] );
                    }
                    printf ("\n\t\t\t\t");
        }
        printf("\n\n\t\t\t\t 2nd Matrix\n\t\t\t\t____________\n\n\t\t\t\t");
        for ( i = 0; i < 3; i++ )
        {             
                    for ( j = 0; j < 3; j++ )
                    {           
                                printf ("%3d ", n2[i][ j] );
                    }
                    printf ("\n\t\t\t\t");
        }
        
        for ( i = 0; i < 3; i++ )
        {           
                    for ( j = 0; j < 3; j++ )
                    {           
                                m = 0;
                                for ( k = 0; k < 3; k++ )
                                {                          
                                             m = m + n1[i][k] * n2[k][ j];
                                }
                                n3[i][ j] = m;
                    }
        }
        
        printf("\n\n\t\t\t\t Multiplied  Matrix\n\t\t\t\t___________________\n\n\t\t\t\t");
        for ( i = 0; i < 3; i++ )
        {            
                    for ( j = 0; j < 3; j++ )
                    {          
                                printf("%d\t",n3[i][j]);
                    }
                    printf("\n\t\t\t\t");
        }
        getch();
}

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