import java.util.Scanner;
import java.util.Random;
import java.text.DecimalFormat;


public class Powerball2
{
   public static void main (String[] args)
   {

      //---------------------------------------------------------------------------------------------------------
      // Header.
      //---------------------------------------------------------------------------------------------------------

      System.out.print("\n****************************************************************************************\n");
      System.out.print("               Welcome to Powerball! You have to play to win!\n");
      System.out.print("               Change NUMBER_OF_COLUMNS to fit your console size.\n");
      System.out.print("****************************************************************************************\n\n");


      //---------------------------------------------------------------------------------------------------------
      // Variables and object initialization.
      //---------------------------------------------------------------------------------------------------------
      Scanner input = new Scanner (System.in);
      DecimalFormat format1 = new DecimalFormat ("00");
      final int PLAYERS_PER_ROUND = 20;
      final int NUMBERS_TO_PLAY = 3;
      final int NUMBER_OF_COLUMNS = 2; // Columns in output, Change to fit your console.
      int[][] powerballArray = new int[NUMBERS_TO_PLAY][PLAYERS_PER_ROUND];
      int[] winningNumbers = new int[NUMBERS_TO_PLAY];
      String endLoop = "no";
      int i = 0;
      int j = 0;
      int k = 0;
      int checkWin = 0;
      int totalWinners = 0;
      int noWinRounds = 0;
      Random rand = new Random();


      //---------------------------------------------------------------------------------------------------------
      // Creating and displaying the winning numbers.
      //---------------------------------------------------------------------------------------------------------

      do
      {
         for (i = 0; i < NUMBERS_TO_PLAY; ++i)
         {
            winningNumbers[i] = rand.nextInt(10);
         }
         System.out.print("\nThe winning numbers for this round are : ");
         for (i = 0; i < NUMBERS_TO_PLAY; ++i)
         {
            System.out.print(winningNumbers[i] + " ");
         }
         //---------------------------------------------------------------------------------------------------------
         // Generating player numbers, checking for a win and displaying that
         //---------------------------------------------------------------------------------------------------------

         System.out.print("\n\nHere are the players numbers for this drawing.\n\n");

         for (j = 0; j < NUMBERS_TO_PLAY; ++j)
         {
            for (i = 0; i < PLAYERS_PER_ROUND; ++i)
            {
               powerballArray[j][i] = rand.nextInt(10);
            }
         }

         for (i = 0; i < PLAYERS_PER_ROUND; ++i)
         {
            System.out.print(" Player " + format1.format(i+1) + ":  ");
            for (j = 0; j < NUMBERS_TO_PLAY; ++j)
            {
               System.out.print(powerballArray[j][i] + " ");
            }
            for (j = 0; j < NUMBERS_TO_PLAY; ++j)
            {
               if (powerballArray[j][i] == winningNumbers[j])
               {
                  checkWin++;
               }
            }
            if (checkWin == NUMBERS_TO_PLAY)
            {
               System.out.print("*** We have a winner ***");
               totalWinners++;
               noWinRounds = 0;
            }
            else
            {
               System.out.print("                        ");
            }
            checkWin = 0;
            k++;
            if (k % NUMBER_OF_COLUMNS == 0 && NUMBER_OF_COLUMNS != 0)
            {
               System.out.print("\n\n");
            }
            if (i == (PLAYERS_PER_ROUND -1) && totalWinners == 0)
            {
               noWinRounds++;
            }
         }

         //---------------------------------------------------------------------------------------------------------
         // Displaying totals and prompting for another round.
         //---------------------------------------------------------------------------------------------------------

         System.out.print("------------------------------------------------------------------------------------------\n\n");
         System.out.print("The total number of winners in this round of " + PLAYERS_PER_ROUND + " players: " + totalWinners + "\n");
         System.out.print("The number of rounds without a winner is : " + noWinRounds + ".\n\n");


         if (endLoop.equals("win") && totalWinners < 1)
         {
            System.out.print("No winner yet lets keep going!\n");
         }
         else
         {
            System.out.print("\nWould you like to play again? Type no to exit. Type win to play until there is a winner.\n\n");
            endLoop = input.next();
            endLoop = endLoop.toLowerCase();
         }
         totalWinners = 0;
      }
      while (!endLoop.equals("no"));
   }
}