/*
 *  ==========================================================
 *  WaterFlow.java : This java program ....
 *
 *  Written By: Mark Austin                     November, 2004
 *  ==========================================================
 */

import java.lang.Math;
import java.util.*;
import java.io.*;
import java.text.*;

class WaterFlow {

    public static void main( String args[] ) {

        // Print welcome message.

        System.out.println("Water Flow Computation");
        System.out.println("----------------------");

        // Print table heading  .....

        System.out.println("Population        Q(p)" );
        System.out.println("             (m^3/min)" );
        System.out.println("======================" );

        // Use for loop to compute economic gain ....

        float fPop = 1000.0F;
        while (fPop <= 1000000.0 ) {

            // Compute and print water flow ...

            float fP = fPop/1000.0F;
            float fWaterFlow = 3.86F * ((float) Math.sqrt( fP )) *
                               (1.0F - 0.01F*((float) Math.sqrt(fP)));

            DecimalFormat formatPop = new DecimalFormat( "0000000" );
            String output1 = formatPop.format( fPop );

            DecimalFormat formatFlow = new DecimalFormat( "00.0" );
            String output2 = formatFlow.format( fWaterFlow );

            System.out.println("   " + output1 + "        " + output2 );

            // Compute increment in water flow ...

            if ( 1000.0 <= fPop && fPop < 10000.0 )
                 fPop = fPop + 1000.0F;
            else if ( 10000.00 <= fPop && fPop < 100000.00 )
                 fPop = fPop + 10000.0F;
            else 
                 fPop = fPop + 100000.0F;
        }
    }

}