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196 | import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class Sudoku extends JFrame{
private JPanel pmain=null;
private JTable table=null;
private int boxcoord[][][]=null;
private int boxdata[][][]=null;
public Sudoku(){
super("Sudoku");
setSize(700,700);
setLayout(new BorderLayout());
pmain=new JPanel();
pmain.setPreferredSize(new Dimension(600,600));
table=new JTable(9,9);
table.setRowHeight(600/9);
pmain.add(table);
add("Center",pmain);
setNumbers();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
show();
}
private void setNumbers(){
boxcoord=new int[][][]
{{{0,0},{0,1},{0,2},{1,0},{1,1},{1,2},{2,0},{2,1},{2,2}},
{{0,3},{0,4},{0,5},{1,3},{1,4},{1,5},{2,3},{2,4},{2,5}},
{{0,6},{0,7},{0,8},{1,6},{1,7},{1,8},{2,6},{2,7},{2,8}},
{{3,0},{3,1},{3,2},{4,0},{4,1},{4,2},{5,0},{5,1},{5,2}},
{{3,3},{3,4},{3,5},{4,3},{4,4},{4,5},{5,3},{5,4},{5,5}},
{{3,6},{3,7},{3,8},{4,6},{4,7},{4,8},{5,6},{5,7},{5,8}},
{{6,0},{6,1},{6,2},{7,0},{7,1},{7,2},{8,0},{8,1},{8,2}},
{{6,3},{6,4},{6,5},{7,3},{7,4},{7,5},{8,3},{8,4},{8,5}},
{{6,6},{6,7},{6,8},{7,6},{7,7},{7,8},{8,6},{8,7},{8,8}}
};
boxdata=new int[][][]
{{{1},{2},{3},{4},{5},{6},{7},{8},{9}},
{{4},{5},{6},{7},{8},{9},{1},{2},{3}},
{{7},{8},{9},{1},{2},{3},{4},{5},{6}},
{{2},{3},{4},{5},{6},{7},{8},{9},{1}},
{{5},{6},{7},{8},{9},{1},{2},{3},{4}},
{{8},{9},{1},{2},{3},{4},{5},{6},{7}},
{{3},{4},{5},{6},{7},{8},{9},{1},{2}},
{{6},{7},{8},{9},{1},{2},{3},{4},{5}},
{{9},{1},{2},{3},{4},{5},{6},{7},{8}}
};
DefaultTableCellRenderer centerRenderer=new DefaultTableCellRenderer();
centerRenderer.setHorizontalAlignment(JLabel.CENTER);
for (int i=0; i<table.getColumnCount();i++){
table.setDefaultRenderer(table.getColumnClass(i),centerRenderer);
}
table.setFont(new Font("Serif",Font.BOLD,20));
table.updateUI();
for(int i=0;i<9;i++){
for(int j=0;j<9;j++){
table.setValueAt(boxdata[i][j][0],boxcoord[i][j][0],boxcoord[i][j][1]);
}
}
for(int spin=0;spin<100;spin++){
changeRow();
changeCol();
}
int num=81;
for(int i=0;i<9;i++){
for(int j=0;j<9;j++){
Random rand=new Random();
int appear=rand.nextInt(2);
if(appear==0){
num=num-1;
if(num>=17){
table.setValueAt("",boxcoord[i][j][0],boxcoord[i][j][1]);
}
}
}
}
}
void changeRow(){
Random rand=new Random();
int x1=rand.nextInt(9);
int x2=rand.nextInt(9);
System.out.println("x1="+x1);
System.out.println("x2="+x2);
int rowdata1[]=new int[9];
int rowdata2[]=new int[9];
for(int j=0;j<9;j++){
rowdata1[j]=(int)table.getValueAt(x1,j);
rowdata2[j]=(int)table.getValueAt(x2,j);
}
for(int j=0;j<9;j++){
table.setValueAt(rowdata2[j],x1,j);
table.setValueAt(rowdata1[j],x2,j);
}
if(!validcheck()){
for(int j=0;j<9;j++){
table.setValueAt(rowdata1[j],x1,j);
table.setValueAt(rowdata2[j],x2,j);
}
}
}
void changeCol(){
Random rand=new Random();
int y1=rand.nextInt(9);
int y2=rand.nextInt(9);
System.out.println("y1="+y1);
System.out.println("y2="+y2);
int coldata1[]=new int[9];
int coldata2[]=new int[9];
for(int i=0;i<9;i++){
coldata1[i]=(int)table.getValueAt(i,y1);
coldata2[i]=(int)table.getValueAt(i,y2);
}
for(int i=0;i<9;i++){
table.setValueAt(coldata2[i],i,y1);
table.setValueAt(coldata1[i],i,y2);
}
if(!validcheck()){
for(int i=0;i<9;i++){
table.setValueAt(coldata1[i],i,y1);
table.setValueAt(coldata2[i],i,y2);
}
}
}
boolean validcheck(){
boolean curval=true;
for(int i=0;i<9;i++){
int total=0;
for(int j=0;j<9;j++){
total=total+(int)table.getValueAt(i,j);
}
if(total!=45){
curval=false;
break;
}
}
for(int i=0;i<9;i++){
int total=0;
for(int j=0;j<9;j++){
total=total+(int)table.getValueAt(j,i);
}
if(total!=45){
curval=false;
break;
}
}
for(int i=0;i<9;i++){
int total=0;
for(int j=0;j<9;j++){
total=total+(int)table.getValueAt(boxcoord[i][j][0],boxcoord[i][j][1]);
//System.out.print(table.getValueAt(boxcoord[i][j][0],boxcoord[i][j][1])+" ");
}
if(total!=45){
curval=false;
break;
}
//System.out.println("");
}
System.out.println(curval);
return curval;
}
public static void main(String[] args){
new Sudoku();
}
}
|
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