/* ----------------------------------------------------------------------
//  Figure 2.8:  A C program for the average algorithm. 
//               Compute and display the average of three numbers. 
// ----------------------------------------------------------------------
*/
    #include <stdio.h>

    int main( void )
    {   
        double n1, n2, n3;            /* The three input numbers.            */
        double average;               /* The average of the three numbers.   */

        printf( "\nCompute the average of 3 Numbers\n" );  
        printf( "--------------------------------\n" );             
        printf( "Please input 3 numbers: " );    
        scanf( "%lg%lg%lg", &n1, &n2, &n3 );           /* Read the numbers.   */
        printf( "Averaging %g, %g, %g;", n1, n2, n3 ); /* Echo the inputs.    */

        average = (n1 + n2 + n3 ) / 3.0;               /* Average is sum / 3. */
        printf( " the average is %g\n\n", average );   /* Print the average.  */
    }