import java.util.Scanner;

public class Chomp{

int rows;

int cols;

int numberOfPlayers;

int []board;

Scanner scanner;

Chomp(){

System.out.println("\t\t\t\tCHOMP");

System.out.println("\t\tCREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");

System.out.println("THIS IS THE GAME OF CHOMP (SCIENTIFIC AMERICAN, JAN 1973)");

System.out.print("Do you want the rules (1=Yes, 0=No!) ");

scanner = new Scanner(System.in);

int choice = scanner.nextInt();

if(choice != 0){

System.out.println("Chomp is for 1 or more players (Humans only).\n");

System.out.println("Here's how a board looks (This one is 5 by 7):");

System.out.println("\t1 2 3 4 5 6 7");

System.out.println(" 1 P * * * * * *\n 2 * * * * * * *\n 3 * * * * * * *\n 4 * * * * * * *\n 5 * * * * * * *");

System.out.println("\nThe board is a big cookie - R rows high and C columns \nwide. You input R and C at the start. In the upper left\ncorner of the cookie is a poison square (P). The one who\nchomps the poison square loses. To take a chomp, type the\nrow and column of one of the squares on the cookie.\nAll of the squares below and to the right of that square\n(Including that square, too) disappear -- CHOMP!!\nNo fair chomping squares that have already been chomped,\nor that are outside the original dimensions of the cookie.\n");

System.out.println("Here we go...\n");

}

startGame();

}

private void startGame(){

System.out.print("How many players ");

numberOfPlayers = scanner.nextInt();

while(numberOfPlayers < 2){

System.out.print("How many players ");

numberOfPlayers = scanner.nextInt();

}

System.out.print("How many rows ");

rows = scanner.nextInt();

while(rows<=0 || rows >9){

if(rows <= 0){

System.out.println("Minimun 1 row is required !!");

}

else{

System.out.println("Too many rows(9 is maximum). ");

}

System.out.print("How many rows ");

rows = scanner.nextInt();

}

System.out.print("How many columns ");

cols = scanner.nextInt();

while(cols<=0 || cols >9){

if(cols <= 0){

System.out.println("Minimun 1 column is required !!");

}

else{

System.out.println("Too many columns(9 is maximum). ");

}

System.out.print("How many columns ");

cols = scanner.nextInt();

}

board = new int[rows];

for(int i=0;i<rows;i++){

board[i]=cols;

}

printBoard();

scanner.nextLine();

move(0);

}

private void printBoard(){

System.out.print(" ");

for(int i=0;i<cols;i++){

System.out.print(i+1);

System.out.print(" ");

}

for(int i=0;i<rows;i++){

System.out.print("\n ");

System.out.print(i+1);

System.out.print(" ");

for(int j=0;j<board[i];j++){

if(i == 0 && j == 0){

System.out.print("P ");

}

else{

System.out.print("* ");

}

}

}

System.out.println("");

}

private void move(int player){

System.out.println(String.format("Player %d",(player+1)));

String input;

String [] coordinates;

int x=-1,y=-1;

while(true){

try{

System.out.print("Coordinates of chomp (Row, Column) ");

input = scanner.nextLine();

coordinates = input.split(",");

x = Integer.parseInt(coordinates[0]);

y = Integer.parseInt(coordinates[1]);

break;

}

catch(Exception e){

System.out.println("Please enter valid coordinates.");

continue;

}

}

while(x>rows || x <1 || y>cols || y<1 || board[x-1]<y){

System.out.println("No fair. You're trying to chomp on empty space!");

while(true){

try{

System.out.print("Coordinates of chomp (Row, Column) ");

input = scanner.nextLine();

coordinates = input.split(",");

x = Integer.parseInt(coordinates[0]);

y = Integer.parseInt(coordinates[1]);

break;

}

catch(Exception e){

System.out.println("Please enter valid coordinates.");

continue;

}

}

}

if(x == 1 && y == 1){

System.out.println("You lose player "+(player+1));

int choice = -1 ;

while(choice != 0 && choice != 1){

System.out.print("Again (1=Yes, 0=No!) ");

choice = scanner.nextInt();

}

if(choice == 1){

startGame();

}

else{

System.exit(0);

}

}

else{

for(int i=x-1;i<rows;i++){

if(board[i] >= y){

board[i] = y-1;

}

}

printBoard();

move((player+1)%numberOfPlayers);

}

}

public static void main(String []args){

new Chomp();

}

}