nim

Class Situation

java.lang.Object

nim.Situation

public class Situation
extends java.lang.Object

Class for storing and manipulating a Nim-Game Situation

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Situation.SituationIterator Get all situations that can be attained from this situation

Constructor Summary

Constructors

Constructor and Description
Situation(int r) Initialize to a given number of rows, filled with 1,3,5,....
Situation(int[] r) Initialize to a given array

Method Summary

Methods

Modifier and Type	Method and Description
boolean	gameOver() Have all matches been taken away?
int	getConfigNumber() Compute a unique number representing this configuration using a mixed bases.
int	getNumConfigs() Number of possible configurations
int	getRow(int r) Get the number of matches in row
int[]	getRows() Get an Array representing all rows
int	getSize() Get the number of rows
java.util.Iterator<Situation>	iterator() Get an Iterator over all situations than can be attained from this situation
void	remove(int row, int num) Remove a number of matches from a row
void	reset() Revert to the original situation
void	setConfigFromNumber(int n) Set the configuration from the unique number representing a situation.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Situation

public Situation(int[] r)

Initialize to a given array

Parameters:

r -

Situation

public Situation(int r)

Initialize to a given number of rows, filled with 1,3,5,....

Parameters:

r -

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

reset

public void reset()

Revert to the original situation

getConfigNumber

public int getConfigNumber()

Compute a unique number representing this configuration using a mixed bases.

Returns:

setConfigFromNumber

public void setConfigFromNumber(int n)

Set the configuration from the unique number representing a situation. Inverse function to getConfigNumber()

getRow

public int getRow(int r)

Get the number of matches in row

Parameters:

r -

getRows

public int[] getRows()

Get an Array representing all rows

Returns:

getSize

public int getSize()

Get the number of rows

Returns:

getNumConfigs

public int getNumConfigs()

Number of possible configurations

remove

public void remove(int row,
          int num)

Remove a number of matches from a row

Parameters:

row -

num -

gameOver

public boolean gameOver()

Have all matches been taken away?

Returns:

iterator

public java.util.Iterator<Situation> iterator()

Get an Iterator over all situations than can be attained from this situation

Returns: