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简单数独java源代码 数独代码实现
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用java做一个数独游戏，有现成代码，只需弄一下文字的东西就可以啦，不用太复杂，普普通通的就行.
public class ShuDu {
/**存储数字的数组*/
static int[][] n = new int[9][9];
/**生成随机数字的源数组，随机数字从该数组中产生*/
static int[] num = {1,2,3,4,5,6,7,8,9};
public static void main(String[] args) {
//生成数字
for(int i = 0;i 9;i++){
//尝试填充的数字次数
int time = 0;
//填充数字
for(int j = 0;j 9;j++){
//产生数字
n[i][j] = generateNum(time);
//如果返回值为0，则代表卡住，退回处理
//退回处理的原则是：如果不是第一列，则先倒退到前一列，否则倒退到前一行的最后一列
if(n[i][j] == 0){
//不是第一列，则倒退一列
if(j 0){
j-=2;
continue;
}else{//是第一列，则倒退到上一行的最后一列
i--;
j = 8;
continue;
}
}
//填充成功
if(isCorret(i,j)){
//初始化time，为下一次填充做准备
time = 0;
}else{ //继续填充
//次数增加1
time++;
//继续填充当前格
j--;
}
}
}
//输出结果
for(int i = 0;i 9;i++){
for(int j = 0;j 9;j++){
System.out.print(n[i][j] + " ");
}
System.out.println();
}
}
/**
* 是否满足行、列和3X3区域不重复的要求
* @param row 行号
* @param col 列号
* @return true代表符合要求
*/
public static boolean isCorret(int row,int col){
return (checkRow(row) checkLine(col) checkNine(row,col));
}
/**
* 检查行是否符合要求
* @param row 检查的行号
* @return true代表符合要求
*/
public static boolean checkRow(int row){
for(int j = 0;j 8;j++){
if(n[row][j] == 0){
continue;
}
for(int k =j + 1;k 9;k++){
if(n[row][j] == n[row][k]){
return false;
}
}
}
return true;
}
/**
* 检查列是否符合要求
* @param col 检查的列号
* @return true代表符合要求
*/
public static boolean checkLine(int col){
for(int j = 0;j 8;j++){
if(n[j][col] == 0){
continue;
}
for(int k =j + 1;k 9;k++){
if(n[j][col] == n[k][col]){
return false;
}
}
}
return true;
}
/**
* 检查3X3区域是否符合要求
* @param row 检查的行号
* @param col 检查的列号
* @return true代表符合要求
*/
public static boolean checkNine(int row,int col){
//获得左上角的坐标
int j = row / 3 * 3;
int k = col /3 * 3;
//循环比较
for(int i = 0;i 8;i++){
if(n[j + i/3][k + i % 3] == 0){
continue;
}
for(int m = i+ 1;m 9;m++){
if(n[j + i/3][k + i % 3] == n[j + m/3][k + m % 3]){
return false;
}
}
}
return true;
}
/**
* 产生1-9之间的随机数字
* 规则：生成的随机数字放置在数组8-time下标的位置，随着time的增加，已经尝试过的数字将不会在取到
* 说明：即第一次次是从所有数字中随机，第二次时从前八个数字中随机，依次类推，
* 这样既保证随机，也不会再重复取已经不符合要求的数字，提高程序的效率
* 这个规则是本算法的核心
* @param time 填充的次数，0代表第一次填充
* @return
*/
public static int generateNum(int time){
//第一次尝试时，初始化随机数字源数组
if(time == 0){
for(int i = 0;i 9;i++){
num[i] = i + 1;
}
}
//第10次填充，表明该位置已经卡住，则返回0，由主程序处理退回
if(time == 9){
return 0;
}
//不是第一次填充
//生成随机数字，该数字是数组的下标，取数组num中该下标对应的数字为随机数字
int ranNum = (int)(Math.random() * (9 - time));
//把数字放置在数组倒数第time个位置，
int temp = num[8 - time];
num[8 - time] = num[ranNum];
num[ranNum] = temp;
//返回数字
return num[8 - time];
}
}
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相关问答
Q1: c++或java 写一个解3阶数独的程序
123456789101112131415161718192021public static Geocache[] createGeocaches(int a) { if(a = 0) return new Geocache[0]; Random rand = new Random(); Geocache[] result = new Geocache[a]; for(int i = 0; i a; i++) { //因为题目没有描述，这里假设x, y是随机整数，Geocache有a href=";tn=44039180_cprfenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1dhrjIWn1D4n19hmWDzm1R0IAYqnWm3PW64rj0d0AP8IA3qPjfsn1bkrjKxmLKz0ZNzUjdCIZwsrBtEXh9GuA7EQhF9pywdQhPEUiqkIyN1IA-EUBtkPWm4rjR4rHbLPWR1nH63P16L" target="_blank" class="baidu-highlight"构造函数/a(int, int) int x = rand.nextInt(); int y = rand.nextInt(); result[i] = new Geocache(x, y); } return result; }
Q2: 求编写一个超级简单的Java的程序源代码
class Stack_Float
{
float nums[];
int top;
Stack_Float()
{
nums = new float[50];
top = -1;
}
boolean IsEmpty()
{
if(top == -1)
return true;
else
return false;
}
float Pop_Stack()
{
if(top==-1)
{
return 0;
}
top--;
return nums[top + 1];
}
float GetTop()
{
return nums[top];
}
void Push_Stack(float num)
{
if(top == 49)
return;
top++;
nums[top] = num;
}
}
/*****************************************************************************/
class Stack_Char
{
char str[];
int top;
Stack_Char()
{
str = new char[50];
top = -1;
}
boolean IsEmpty()
{
if(top==-1)
return true;
else
return false;
}
void Push_Stack(char ch)
{
if(top == 49)
return;
top++;
str[top] = ch;
}
char Pop_Stack()
{
if(top == -1)
return '\0';
top--;
return str[top + 1];
}
char GetTop()
{
if(top == -1)
{
System.out.print("error");
System.exit(0);
}
return str[top];
}
}
/*****************************************************************************/
public class jisuanqi extends javax.swing.JFrame
{
String show = "";
public jisuanqi()
{
initComponents();
}
char[] TranSmit(char str[])
{
char houzhui[] = new char[50]; //存放后缀表达式简单数独java源代码的字符串
int i = 0,j = 0;
char c = str[i];
Stack_Char s = new Stack_Char(); //存放运算符简单数独java源代码的栈
while(c != '=') //对算术表达式扫描未结束时
{
if(c = '0' c = '9')
{
while(c = '0' c = '9')//数字直接入栈
{
houzhui[j]=c;
j++;
i++;
c=str[i];
}
houzhui[j]='#';//用#隔开数字
j++;
}
switch(c) //扫描到运算符时
{
case '+':
case '-':
case '*':
case '/':
if(s.IsEmpty() == true) //栈空,直接入栈
{
s.Push_Stack(c);
i++;
c=str[i];
break;
}
if(ComPare(s.GetTop(),c) == -1)
{
s.Push_Stack(c); //入栈
i++;
c=str[i];
break;
}
if(ComPare(s.GetTop(),c) == 1)
{
houzhui[j]=s.Pop_Stack();//出栈元素存入后缀表达式
j++;
break;
}
}
}
while(s.IsEmpty() != true)//把剩余简单数独java源代码的运算符直接出栈
{
houzhui[j]=s.Pop_Stack();
j++;
}
houzhui[j] = '=';//后缀表达式后面加 =
j++;
houzhui[j] = '\0';
j++;
return houzhui;
}
float Count(char str[])
{
Stack_Float s = new Stack_Float();//定义存放数字简单数独java源代码的栈
char c = str[0];
int i = 0,j = 0;
float result = 0,temp,left,right;
while(c != '=') //未扫描到 = 时
{
if(c = '0' c = '9')//扫描到数字
{
temp = 0;
while(c != '#')//未读到分隔符时
{
temp = temp * 10 + c - '0';
i++;
c = str[i];
}
s.Push_Stack(temp);//进栈
}
switch(c)//扫描到运算符时
{
case '+':
{
result = s.Pop_Stack() + s.Pop_Stack();//2个数字出栈相加
s.Push_Stack(result);//最后得数进栈
break;
}
case '-':
{
right = s.Pop_Stack();//右操作数出栈
left = s.Pop_Stack();//左操作数出栈
result = left - right;
s.Push_Stack(result);
break;
}
case '*':
{
result = s.Pop_Stack() * s.Pop_Stack();//2个数字出栈相乘
s.Push_Stack(result);
break;
}
case '/':
{
right = s.Pop_Stack();//右操作数出栈
left = s.Pop_Stack();//左操作数出栈
result = left / right;
s.Push_Stack(result);
break;
}
}
i++;
c = str[i];
}
return result;
}
int ComPare(char a,char b) //判断运算符简单数独java源代码的优先级函数
{
int s[][] =
{// 栈顶元素高于算术表达式中的元素时, 返回 1,否则返回 -1
{1,1,-1,-1},
{1,1,-1,-1},
{1,1,1,1},
{1,1,1,1},
};
char x1[]={'+','-','*','/'};//栈顶元素
char x2[]={'+','-','*','/'};//算术表达式中的元素
int k=0,m,n = 0;
for(m=0;m4;m++) //查找2个进行比较的运算符在表中的位置,并返回比较结果
{
for(n=0;n4;n++)
{
if(x1[m]==ax2[n]==b)
{
k=1;break; //找到比较结果后,跳出循环
}
}
if(k==1)
break;
}
return s[m][n];//返回比较结果
}
/*****************************************************************************/
@SuppressWarnings("unchecked")
// editor-fold defaultstate="collapsed" desc="Generated Code"//GEN-BEGIN:initComponents
private void initComponents() {
text = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
jButton10 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
jButton13 = new javax.swing.JButton();
jButton14 = new javax.swing.JButton();
jButton21 = new javax.swing.JButton();
jButton22 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(null);
getContentPane().add(text);
text.setBounds(10, 10, 270, 30);
jButton1.setText("1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
getContentPane().add(jButton1);
jButton1.setBounds(10, 50, 60, 25);
jButton2.setText("2");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
getContentPane().add(jButton2);
jButton2.setBounds(80, 50, 60, 25);
jButton3.setText("3");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
getContentPane().add(jButton3);
jButton3.setBounds(150, 50, 60, 25);
jButton4.setText("4");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
getContentPane().add(jButton4);
jButton4.setBounds(220, 50, 60, 25);
jButton5.setText("5");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});
getContentPane().add(jButton5);
jButton5.setBounds(10, 80, 60, 25);
jButton6.setText("6");
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});
getContentPane().add(jButton6);
jButton6.setBounds(80, 80, 60, 25);
jButton7.setText("7");
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});
getContentPane().add(jButton7);
jButton7.setBounds(150, 80, 60, 25);
jButton8.setText("8");
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});
getContentPane().add(jButton8);
jButton8.setBounds(220, 80, 60, 25);
jButton9.setText("9");
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});
getContentPane().add(jButton9);
jButton9.setBounds(10, 110, 60, 25);
jButton10.setText("0");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});
getContentPane().add(jButton10);
jButton10.setBounds(80, 110, 60, 25);
jButton11.setText("+");
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton11ActionPerformed(evt);
}
});
getContentPane().add(jButton11);
jButton11.setBounds(150, 110, 60, 25);
jButton12.setText("-");
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});
getContentPane().add(jButton12);
jButton12.setBounds(220, 110, 60, 25);
jButton13.setText("*");
jButton13.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton13ActionPerformed(evt);
}
});
getContentPane().add(jButton13);
jButton13.setBounds(10, 140, 60, 25);
jButton14.setText("/");
jButton14.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton14ActionPerformed(evt);
}
});
getContentPane().add(jButton14);
jButton14.setBounds(80, 140, 60, 25);
jButton21.setText("CE");
jButton21.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton21ActionPerformed(evt);
}
});
getContentPane().add(jButton21);
jButton21.setBounds(150, 140, 60, 25);
jButton22.setText("=");
jButton22.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton22ActionPerformed(evt);
}
});
getContentPane().add(jButton22);
jButton22.setBounds(220, 140, 60, 25);
pack();
}// /editor-fold//GEN-END:initComponents
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
show += "1";
text.setText(show);
}//GEN-LAST:event_jButton1ActionPerformed
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
show += "2";
text.setText(show);
}//GEN-LAST:event_jButton2ActionPerformed
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
show += "3";
text.setText(show);
}//GEN-LAST:event_jButton3ActionPerformed
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
show += "4";
text.setText(show);
}//GEN-LAST:event_jButton4ActionPerformed
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
show += "5";
text.setText(show);
}//GEN-LAST:event_jButton5ActionPerformed
private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton6ActionPerformed
show += "6";
text.setText(show);
}//GEN-LAST:event_jButton6ActionPerformed
private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton7ActionPerformed
show += "7";
text.setText(show);
}//GEN-LAST:event_jButton7ActionPerformed
private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton8ActionPerformed
show += "8";
text.setText(show);
}//GEN-LAST:event_jButton8ActionPerformed
private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton9ActionPerformed
show += "9";
text.setText(show);
}//GEN-LAST:event_jButton9ActionPerformed
private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton10ActionPerformed
show += "0";
text.setText(show);
}//GEN-LAST:event_jButton10ActionPerformed
private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton13ActionPerformed
show += "*";
text.setText(show);
}//GEN-LAST:event_jButton13ActionPerformed
private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton14ActionPerformed
show += "/";
text.setText(show);
}//GEN-LAST:event_jButton14ActionPerformed
private void jButton21ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton21ActionPerformed
show = "";
text.setText("");
}//GEN-LAST:event_jButton21ActionPerformed
private void jButton22ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton22ActionPerformed
show += "=";
text.setText(show);
char str1[] = new char[50];
char str2[] = new char[50];
float result = 0;
str1 = show.toCharArray();
str2 = TranSmit(str1);
result = Count(str2);
text.setText("" + result);
show = "";
}//GEN-LAST:event_jButton22ActionPerformed
private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton12ActionPerformed
show += "-";
text.setText(show);
}//GEN-LAST:event_jButton12ActionPerformed
private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton11ActionPerformed
show += "+";
text.setText(show);
}//GEN-LAST:event_jButton11ActionPerformed
public static void main(String args[])
{
jisuanqi j = new jisuanqi();
j.setBounds(300, 300, 300, 195);
j.setVisible(true);
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton13;
private javax.swing.JButton jButton14;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton21;
private javax.swing.JButton jButton22;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JTextField text;
// End of variables declaration//GEN-END:variables
}
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