jxcodetw

class Matrix < Array
    def initialize(filename)
        # read file
        f = File.open(filename) or die("no such file or reading error.")
        @row, @col = f.readline.split(' ').map(&:to_i)
        f.each_line { |line|
            line = line.split(' ').map(&:to_r)
            self.push(line)
        }
    end

jxcodetw

#include <stdio.h>
#include <string.h>

void swap(char* a, char* b) {
    char t = *a;
    *a = *b;
    *b = t;
}

void perm(char* head, int i, int n) {

jxcodetw

["1", "2"]

jxcodetw

import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.state.BasicGameState;
import org.newdawn.slick.state.StateBasedGame;

public class MenuState extends BasicGameState
{
	@Override
	public void init(GameContainer arg0, StateBasedGame arg1)

jxcodetw

import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.SlickException;
import org.newdawn.slick.state.StateBasedGame;

public class Main extends StateBasedGame
{
	public Main(String name) {
		super(name);
	}

jxcodetw

import java.util.logging.Level;
import java.util.logging.Logger;

import org.newdawn.slick.AppGameContainer;
import org.newdawn.slick.BasicGame;
import org.newdawn.slick.GameContainer;
import org.newdawn.slick.Graphics;
import org.newdawn.slick.SlickException;

public class MyGame extends BasicGame