import java.util.*;
import java.io.*;
public class CaiShu{
public static void main(String[] args) throws IOException{
Random a=new Random();
int num=a.nextInt(100);
System.out.println("请输入一个100以内的整数：");
BufferedReader bf=new BufferedReader(new InputStreamReader(System.in));
String str=bf.readLine();
int shu=Integer.parseInt(str);
if (shunum)
System.out.println("输入的数大了,输小点的！");
else if (shunum)
System.out.println("输入的数小了,输大点的！");
else {
System.out.println("恭喜你,猜对了！");
System.out.println("你真是个天才！");
System.out.println("还将就,你过关了！");
System.out.println("但是你还......真笨！");
else
System.out.println("你和猪没有两样了！"); break;}
}
} }
贪吃蛇程序:
GreedSnake.java (也是程序入口):
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Iterator;
import java.util.LinkedList;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class GreedSnake implements KeyListener {
JFrame mainFrame;
Canvas paintCanvas;
JLabel labelScore;// 计分牌
SnakeModel snakeModel = null;// 蛇
public static final int nodeWidth = 10;
public static final int nodeHeight = 10;
// ----------------------------------------------------------------------
// GreedSnake():初始化游戏界面
public GreedSnake() {
// 设置界面元素
mainFrame = new JFrame("GreedSnake");
Container cp = mainFrame.getContentPane();
labelScore = new JLabel("Score:");
cp.add(labelScore, BorderLayout.NORTH);
paintCanvas = new Canvas();
paintCanvas.setSize(canvasWidth + 1, canvasHeight + 1);
paintCanvas.addKeyListener(this);
cp.add(paintCanvas, BorderLayout.CENTER);
JPanel panelButtom = new JPanel();
panelButtom.setLayout(new BorderLayout());
JLabel labelHelp;// 帮助信息
labelHelp = new JLabel("PageUp, PageDown for speed;", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.NORTH);
labelHelp = new JLabel("ENTER or R or S for start;", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.CENTER);
labelHelp = new JLabel("SPACE or P for pause", JLabel.CENTER);
panelButtom.add(labelHelp, BorderLayout.SOUTH);
cp.add(panelButtom, BorderLayout.SOUTH);
mainFrame.addKeyListener(this);
mainFrame.pack();
mainFrame.setResizable(false);
mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mainFrame.setVisible(true);
begin();
// keyPressed():按键检测
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if (snakeModel.running)
switch (keyCode) {
case KeyEvent.VK_UP:
snakeModel.changeDirection(SnakeModel.UP);
break;
case KeyEvent.VK_DOWN:
snakeModel.changeDirection(SnakeModel.DOWN);
case KeyEvent.VK_LEFT:
snakeModel.changeDirection(SnakeModel.LEFT);
case KeyEvent.VK_RIGHT:
snakeModel.changeDirection(SnakeModel.RIGHT);
case KeyEvent.VK_ADD:
case KeyEvent.VK_PAGE_UP:
snakeModel.speedUp();// 加速
case KeyEvent.VK_SUBTRACT:
case KeyEvent.VK_PAGE_DOWN:
snakeModel.speedDown();// 减速
case KeyEvent.VK_SPACE:
case KeyEvent.VK_P:
snakeModel.changePauseState();// 暂停或继续
default:
// 重新开始
if (keyCode == KeyEvent.VK_R || keyCode == KeyEvent.VK_S
|| keyCode == KeyEvent.VK_ENTER) {
snakeModel.running = false;
// keyReleased（）：空函数
public void keyReleased(KeyEvent e) {
// keyTyped（）：空函数
public void keyTyped(KeyEvent e) {
// repaint（）：绘制游戏界面（包括蛇和食物）
void repaint() {
Graphics g = paintCanvas.getGraphics();
// draw background
g.setColor(Color.WHITE);
g.fillRect(0, 0, canvasWidth, canvasHeight);
// draw the snake
g.setColor(Color.BLACK);
LinkedList na = snakeModel.nodeArray;
Iterator it = na.iterator();
while (it.hasNext()) {
Node n = (Node) it.next();
drawNode(g, n);
// draw the food
g.setColor(Color.RED);
Node n = snakeModel.food;
updateScore();
// drawNode（）：绘画某一结点（蛇身或食物）
private void drawNode(Graphics g, Node n) {
g.fillRect(n.x * nodeWidth, n.y * nodeHeight, nodeWidth - 1,
nodeHeight - 1);
// updateScore（）：改变计分牌
public void updateScore() {
String s = "Score: " + snakeModel.score;
labelScore.setText(s);
// begin（）：游戏开始,放置贪吃蛇
void begin() {
if (snakeModel == null || !snakeModel.running) {
snakeModel = new SnakeModel(this, canvasWidth / nodeWidth,
this.canvasHeight / nodeHeight);
(new Thread(snakeModel)).start();
// main（）：主函数
public static void main(String[] args) {
GreedSnake gs = new GreedSnake();
Node.java:
public class Node {
int x;
int y;
Node(int x, int y) {
this.x = x;
this.y = y;
SnakeModel.java:
import java.util.Arrays;
import java.util.Random;
import javax.swing.JOptionPane;
public class SnakeModel implements Runnable {
GreedSnake gs;
boolean[][] matrix;// 界面数据保存在数组里
LinkedList nodeArray = new LinkedList();
Node food;
int maxX;// 最大宽度
int maxY;// 最大长度
boolean running = false;
boolean paused = false;// 游戏状态
int score = 0;
int countMove = 0;
// UP和DOWN是偶数,RIGHT和LEFT是奇数
public static final int LEFT = 1;
// GreedModel():初始化界面
public SnakeModel(GreedSnake gs, int maxX, int maxY) {
this.gs = gs;
this.maxX = maxX;
this.maxY = maxY;
matrix = new boolean[maxX][];
for (int i = 0; i maxX; ++i) {
matrix[i] = new boolean[maxY];
Arrays.fill(matrix[i], false);// 没有蛇和食物的地区置false
// 初始化贪吃蛇
for (int i = 0; i initArrayLength; ++i) {
nodeArray.addLast(new Node(x, y));
matrix[x][y] = true;// 蛇身处置true
food = createFood();
matrix[food.x][food.y] = true;// 食物处置true
// changeDirection():改变运动方向
public void changeDirection(int newDirection) {
{
direction = newDirection;
// moveOn():贪吃蛇运动函数
public boolean moveOn() {
Node n = (Node) nodeArray.getFirst();
int x = n.x;
int y = n.y;
switch (direction) {
case UP:
y--;
case DOWN:
y++;
case LEFT:
x--;
case RIGHT:
x++;
if ((0 = x x maxX) (0 = y y maxY)) {
if (matrix[x][y])// 吃到食物或者撞到身体
if (x == food.x y == food.y)// 吃到食物
nodeArray.addFirst(food);// 在头部加上一结点
// 计分规则与移动长度和速度有关
score += scoreGet 0 ? scoreGet : 10;
countMove = 0;
matrix[food.x][food.y] = true;
return true;
} else
return false;// 撞到身体
} else// 什么都没有碰到
nodeArray.addFirst(new Node(x, y));// 加上头部
matrix[x][y] = true;
n = (Node) nodeArray.removeLast();// 去掉尾部
matrix[n.x][n.y] = false;
countMove++;
return false;// 越界（撞到墙壁）
// run():贪吃蛇运动线程
public void run() {
running = true;
while (running) {
try {
Thread.sleep(timeInterval);
} catch (Exception e) {
if (!paused) {
if (moveOn())// 未结束
gs.repaint();
} else// 游戏结束
JOptionPane.showMessageDialog(null, "GAME OVER",
"Game Over", JOptionPane.INFORMATION_MESSAGE);
running = false;
// createFood():生成食物及放置地点
private Node createFood() {
int x = 0;
int y = 0;
do {
Random r = new Random();
x = r.nextInt(maxX);
y = r.nextInt(maxY);
} while (matrix[x][y]);
return new Node(x, y);
// speedUp():加快蛇运动速度
public void speedUp() {
timeInterval *= speedChangeRate;
// speedDown():放慢蛇运动速度
public void speedDown() {
timeInterval /= speedChangeRate;
// changePauseState(): 改变游戏状态（暂停或继续）
public void changePauseState() {
paused = !paused;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
public class Painter extends JFrame{
/**
*
*/
CanvasPanel canvas = new CanvasPanel();;
public Painter() {
super("Star");
this.add(canvas);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.pack();
this.setResizable(false);
this.setLocationRelativeTo(null);
this.setVisible(true);
new Painter();
class CanvasPanel extends JPanel implements ActionListener{
private String[] btn_name = {"+", "-", "R", "L"};
public CanvasPanel() {
this.setLayout(null);
btn[i] = new JButton(btn_name[i]);
btn[i].addActionListener(this);
this.add(btn[i]);
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand() == "+") {
repaint();
} else if(e.getActionCommand() == "-") {
if(radius 0)
} else if(e.getActionCommand() == "R") {
} else if(e.getActionCommand() == "L") {
这应该有很多种算法把..如果不考虑效率的话穷举法是肯定可以的...也就是说试过所有的排列组合..然后计算每次排列的剩余防御卡的价值和..和最大的排列就是你要的匹配..当然这个算法 当N很大的时候非常没效率..但你的问题只要给出算法然后说明正确性..所以穷举是肯定可行的..
下面是模拟代码
import java.util.ArrayList;
public class Test {
//攻击卡数组
//匹配结果
private ArrayListint [] result = new ArrayListint []();
//防御卡数组
//最大防御卡价值初始化为0
private int value = 0;
public static void main(String []args){
Test t = new Test();
t.process(input, input.length, 0);
ArrayListint [] r = t.getResult();
int size = r.size();
System.out.println("可能的组合有"+size+"种 ");
for(int i=0;isize;i++){
int resultSize = r.get(i).length;
System.out.print("第"+(i+1)+"种 为：");
for(int j=0;jresultSize;j++){
System.out.print(r.get(i)[j]);
System.out.println();
System.out.println("Value = "+t.getValue());
System.out.println("结束");
public void process(int[] input, int n, int k) {
if (n == k) {
int count = 0;
int size = input.length;
int [] out = new int [size];
for (int i = 0; i size; i++) {
if(d[input[i]-1].getX()a[i]){
count += d[input[i]-1].getY();
out [i] = input[i];
//如果排列价值和大于之前的最大防御价值改变最优匹配
if(count value){
if(result.size() != 0){
result.clear();
result.add(out);
value = count;
for(int in:out){
System.out.print(in);
//如果价值和一样并且没有这个组合增加到结果list
if(count == value !this.inTheResult(input)){
} else {
for (int i = k; i n; i++) {
swap(input, k, i);
process(input, n, k + 1);
swap(input, i, k);
public boolean inTheResult(int[]a){
int size = this.result.size();
int s = this.result.get(i).length;
for(int j=0;js;j++){
if(a[j] != this.result.get(i)[j]){
return false;
public ArrayListint[] getResult(){
return this.result;
public int getValue(){
return this.value;
public void swap(int[] a, int x, int y) {
int temp = a[x];
a[x] = a[y];
a[y] = temp;
//防御卡的类 x是di y是wi
public class D{
// x = di y = wi
private int x,y;
D (int x,int y){
public int getX(){
return x;
public int getY(){
return y;
运行结果
结束
貌似测试了下应该是正确的
其实这个问题挺有意思的建议你不要看我的代码根据我的提示自己做次
package reduce;
import java.applet.Applet;
import java.applet.AudioClip;
import java.awt.Font;
import java.awt.Toolkit;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioSystem;
import java.awt.Rectangle;
import javax.swing.BorderFactory;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.event.KeyAdapter;
import java.io.File;
import java.util.Vector;
public class Frame extends JFrame implements Runnable {
JPanel contentPane;
JPanel jPanel1 = new JPanel();
JButton jButton1 = new JButton();
JSlider jSlider1 = new JSlider();
JLabel jLabel1 = new JLabel();
int zhengque = 0, cuowu = 0;
int rush_count = 0; //记录关数
char list[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y',
Vector number = new Vector();
String paiduan = "true";
AudioClip Musci_anjian, Music_shibai, Music_chenggong;
public Frame() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
//-----------------声音文件---------------------
Musci_anjian = Applet.newAudioClip(new File("sounds//anjian.wav")
.toURL());
Music_shibai = Applet.newAudioClip(new File("sounds//shibai.wav")
Music_chenggong = Applet.newAudioClip(new File(
"sounds//chenggong.wav").toURL());
//---------------------------------------
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
* Component initialization.
* @throws java.lang.Exception
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(null);
setTitle("Frame Title");
jPanel1.setBorder(BorderFactory.createEtchedBorder());
jPanel1.setLayout(null);
jButton1.setText("开始");
jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
jSlider1.setMaximum(100);
jSlider1.setMinimum(1);
jLabel1.setText("速度");
contentPane.add(jPanel1);
contentPane.add(jButton1);
contentPane.add(jSlider1);
contentPane.add(jLabel1);
this.addKeyListener(new MyListener());
jButton1.addKeyListener(new MyListener());
jSlider1.addKeyListener(new MyListener());
jSlider1.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
rapidity = jSlider1.getValue();
});
number.clear();
zhengque = 0;
cuowu = 0;
paiduan = "true";
while (count = rush[rush_count]) {
Thread t = new Thread(new Tthread());
t.start();
count += 1;
} catch (InterruptedException e) {
e.printStackTrace();
while (true) { // 等待最后一个字符消失
if (number.size() == 0) {
if (zhengque == 0) { // 为了以后相除..如果全部正确或者错误就会出现错误. 所以..
zhengque = 1;
if (cuowu == 0) {
cuowu = 1;
if (paiduan.equals("true")) { // 判断是否是自然结束
JOptionPane.showMessageDialog(null, "恭喜你过关了");
rush_count += 1; // 自动加1关
if (rush_count rush.length) {
jSlider1.setValue(rapidity); // 选择位置
Thread t = new Thread(this);
JOptionPane.showMessageDialog(null, "牛B...你通关了..");
rush_count = 0;
count = 0;
JOptionPane.showMessageDialog(null, "请再接再励");
public void jButton1_actionPerformed(ActionEvent e) {
count = rush[rush_count] + 1;
paiduan = "flase";
class Tthread implements Runnable {
boolean fo = true;
int Y = 0, X = 0;
JLabel show = new JLabel();
jPanel1.add(show);
String parameter = list[(int) (Math.random() * list.length)] + "";
Bean bean = new Bean();
bean.setParameter(parameter);
bean.setShow(show);
number.add(bean);
show.setText(parameter);
while (fo) {
// ---------------------数字下移--------------------
Thread.sleep(rapidity);
fo = false;
for (int i = number.size() - 1; i = 0; i--) {
Bean bn = ((Bean) number.get(i));
if (parameter.equalsIgnoreCase(bn.getParameter())) {
cuowu += 1;
+ "个");
number.removeElementAt(i);
Music_shibai.play();
class MyListener extends KeyAdapter {
String uu = e.getKeyChar() + "";
for (int i = 0; i number.size(); i++) {
Bean bean = ((Bean) number.get(i));
if (uu.equalsIgnoreCase(bean.getParameter())) {
zhengque += 1;
bean.getShow().setVisible(false);
Music_chenggong.play();
Musci_anjian.play();
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
Frame frame = new Frame();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height screenSize.height) {
frameSize.height = screenSize.height;
if (frameSize.width screenSize.width) {
frameSize.width = screenSize.width;
frame.setVisible(true);
private Frame adaptee;
this.adaptee = adaptee;
class Frame1_jButton1_actionAdapter implements ActionListener {
Frame1_jButton1_actionAdapter(Frame adaptee) {
adaptee.jButton1_actionPerformed(e);
class Bean {
String parameter = null;
JLabel show = null;
public JLabel getShow() {
return show;
public void setShow(JLabel show) {
this.show = show;
public String getParameter() {
return parameter;
public void setParameter(String parameter) {
this.parameter = parameter;
我只有一个打字母小游戏
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