高手请进：经典的智力题，用java怎么解啊.....

[java55369618]

五部电梯里的人都要坐电梯，五部电梯分别在17、26、20、19、31层。

但是必须得五部电梯全都在21和25层之间门才会打开。

而电梯只有两种升降方式，

一是其中任意两部电梯上升8层，二是其中任意两部电梯下降13层。

[tylzyoudi]

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

/*
* Main.java
*
* Created on 2010-3-16, 16:28:45
*/

package lift;

/**
*
* @author mickyfeng
*/
public class Main extends javax.swing.JFrame {

/** Creates new form Main */
public Main() {
initComponents();
}

/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton1 = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);

jButton1.setText("Start");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(46, 46, 46)
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 69, Short.MAX_VALUE)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 325, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(39, 39, 39)
.addComponent(jButton1))
.addGroup(layout.createSequentialGroup()
.addGap(25, 25, 25)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 326, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(22, Short.MAX_VALUE))
);

pack();
}// </editor-fold>

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Integer[] liftN ={17,26,20,19,31};
while(notInCondition(liftN)){
JustDown(liftN);
JustUp(liftN);
}
jTextArea1.append(ArrToStr(liftN)+"\n");
}

/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Main().setVisible(true);
}
});
}

// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
// End of variables declaration

private boolean notInCondition(Integer[] liftN) {
String ShowStr ="Check Num :";
for(int i=0;i<5;i++){
ShowStr = ShowStr+ liftN[i]+"; ";
if (( liftN[i]<21)|(liftN[i]>25 )) {
jTextArea1.append(ShowStr+"\n");
return true;
}
}
jTextArea1.append(ShowStr+"\n");
return false;
}

private void JustDown(Integer[] liftN) {
int Max1=0,Max2=0;
jTextArea1.append("Just Down Before :"+ArrToStr(liftN)+"\n");
for(int i= 1;i<5;i++){
if (liftN[Max1] <liftN[i]){
Max1 =i;
}else{
if (liftN[Max2] <liftN[i]){
Max2 = i;
}
}
}
if ((liftN[Max1]>25)|(liftN[Max2]>25)) {
liftN[Max1]-=13;
liftN[Max2]-=13;
}
jTextArea1.append("Just Down After :"+ArrToStr(liftN)+"\n");
}

private void JustUp(Integer[] liftN) {
int Min1=0,Min2=0;
jTextArea1.append("Just Up Before :"+ArrToStr(liftN)+"\n");
for(int i= 1;i<5;i++){
if (liftN[Min1] >liftN[i]){
Min1 =i;
}else{
if (liftN[Min2] >liftN[i]){
Min2 = i;
}
}
}
if((liftN[Min1]<21)|liftN[Min2]<21){
liftN[Min1]+=8;
liftN[Min2]+=8;
}
jTextArea1.append("Just Up After :"+ArrToStr(liftN)+"\n");
}

private String ArrToStr(Integer[] liftN) {
String s="";
for (int i=0 ;i<5 ;i++){
s += liftN[i].toString()+"; ";
}
return s;
}

}

[tylzyoudi]

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

/*
* Main.java
*
* Created on 2010-3-16, 16:28:45
*/

package lift;

/**
*
* @author mickyfeng
*/
public class Main extends javax.swing.JFrame {

/** Creates new form Main */
public Main() {
initComponents();
}

/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton1 = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);

jButton1.setText("Start");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(46, 46, 46)
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 69, Short.MAX_VALUE)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 325, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(39, 39, 39)
.addComponent(jButton1))
.addGroup(layout.createSequentialGroup()
.addGap(25, 25, 25)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 326, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(22, Short.MAX_VALUE))
);

pack();
}// </editor-fold>

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
Integer[] liftN ={17,26,20,19,31};
while(notInCondition(liftN)){
JustDown(liftN);
JustUp(liftN);
}
jTextArea1.append(ArrToStr(liftN)+"\n");
}

/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Main().setVisible(true);
}
});
}

// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
// End of variables declaration

private boolean notInCondition(Integer[] liftN) {
String ShowStr ="Check Num :";
for(int i=0;i<5;i++){
ShowStr = ShowStr+ liftN[i]+"; ";
if (( liftN[i]<21)|(liftN[i]>25 )) {
jTextArea1.append(ShowStr+"\n");
return true;
}
}
jTextArea1.append(ShowStr+"\n");
return false;
}

private void JustDown(Integer[] liftN) {
int Max1=0,Max2=0;
jTextArea1.append("Just Down Before :"+ArrToStr(liftN)+"\n");
for(int i= 1;i<5;i++){
if (liftN[Max1] <liftN[i]){
Max2 = Max1;
Max1 =i;
}else{
if (liftN[Max2] <liftN[i]){
Max2 = i;
}
}
}
if ((liftN[Max1]>25)|(liftN[Max2]>25)) {
liftN[Max1]-=13;
liftN[Max2]-=13;
}
jTextArea1.append("Just Down After :"+ArrToStr(liftN)+"\n");
}

private void JustUp(Integer[] liftN) {
int Min1=0,Min2=0;
jTextArea1.append("Just Up Before :"+ArrToStr(liftN)+"\n");
for(int i= 1;i<5;i++){
if (liftN[Min1] >liftN[i]){
Min2 = Min1;
Min1 =i;
}else{
if (liftN[Min2] >liftN[i]){
Min2 = i;
}
}
}
if((liftN[Min1]<21)|liftN[Min2]<21){
liftN[Min1]+=8;
liftN[Min2]+=8;
}
jTextArea1.append("Just Up After :"+ArrToStr(liftN)+"\n");
}

private String ArrToStr(Integer[] liftN) {
String s="";
for (int i=0 ;i<5 ;i++){
s += liftN[i].toString()+"; ";
}
return s;
}

}



修改了一下

[panny1981]

看的有点头晕

[小余]

膜拜中~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[liu_siat]

如果只能停在21和25层才能打开，判断一下是否可以打开？

[orangemike]

那么长的代码,放眼过去都是gui部分的代码... ...