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SudokuValidator.java
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SudokuValidator.java
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import java.util.Scanner;
class ThreadRow implements Runnable
{
public static boolean valid=true;
String name;
Thread t;
ThreadRow(String tname)
{
name = tname;
t = new Thread(this,name);
t.start();
}
public void run()
{
for(int i=1;i<=9 && valid==true;i++)
{ int sum=0;
for(int j=1;j<=9;j++)
{
sum+=SudokuValidator.a[i][j];
}
if(sum!=45)
{
valid=false;
}
else
{
valid=valid & true;
}
}
}
}
class ThreadCol implements Runnable
{
public static boolean valid=true;
String name;
Thread t;
ThreadCol(String tname)
{
name = tname;
t = new Thread(this,name);
t.start();
}
public void run()
{
for(int i=1;i<=9 && valid==true;i++)
{ int sum=0;
for(int j=1;j<=9;j++)
{
sum+=SudokuValidator.a[j][i];
}
if(sum!=45)
{
valid=false;
}
else
{
valid=valid & true;
}
}
}
}
class ThreadGrid implements Runnable
{
public static boolean valid=true;
String name;
Thread t;
ThreadGrid(String tname)
{
name = tname;
t = new Thread(this,name);
t.start();
}
public void run()
{
for(int i=1;i<=9 && valid==true;i=i+3)
{ int sum=0;
for(int j=i;j<i+3;j++)
{
sum=0;
for(int k=i;k<i+3;k++)
{
sum+=SudokuValidator.a[j][k];
}
if(sum!=45)
{
valid=false;
}
else
valid=valid & true;
}
}
}
}
public class SudokuValidator {
public static int a[][] = new int [11][11];
public static void main(String args[])
{
boolean valid=true;
Scanner sc = new Scanner(System.in);
int count[]=new int [10],i,j;
for(i=1;i<=9;i++)
for(j=1;j<=9;j++)
{
a[i][j]=sc.nextInt();
count[a[i][j]]++;
}
for(i=1;i<=9;i++)
if(count[i]!=9)
valid=false;
if(valid)
{new ThreadGrid("Grid");
new ThreadRow("Row");
new ThreadCol("Column");
}
valid=ThreadGrid.valid & ThreadRow.valid & ThreadCol.valid;
if(valid)
System.out.println("Solution : Valid");
else
System.out.println("Solution : Not Valid");
sc.close();
}
}