Array036

Input number in a matrix and print sum all the Right diagonal elements of the Matrix.

#include <stdio.h>
#include <conio.h>

void main ( )
{
    int        n1[3][3], i, j, s = 0;
    clrscr ( );

    printf ("\n\t\t\t Enter numbers in a matrix\n");
    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\n\n\n\t\t\t    Matrix\n\t\t_______________________________\n\n\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");
    }

    printf("\n\n\t\t Right diagonal elements of the Matrix");
    printf("\n\n\t\t______________________________________");
    printf("\n\n\t\t\t\t");
    for ( i = 0; i < 3; i++ )
    {          
                for ( j = 0; j <=3; j++ )
                {          
                            if ( i + j == 2 )
                            {               
                                          printf ("\n\n\t\t Element of position [ %d ][ %d ] = %d",i,j,n1[i][j]);
                                          s = s + n1 [i][ j];
                            }
                }
    }
    printf("\n\n\n\n\t\t Sum of the Right diagonal elements = %d",s);
    getch ( );
}

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