//Program to chk whether a matrix is symmetric or not
//Program by Ahlam Ansari
import java.util.*;
class Symmetry
{
public static void main(String [] ahlam)
{
Scanner scan=new Scanner(System.in);
System.out.println("Enter the no of Rows");
int row=scan.nextInt();
System.out.println("Enter the no of Columns");
int col=scan.nextInt();
int arr[][]=new int [row][col];
System.out.println("Enter the values");
for(int i=0;i<arr.length;i++)
{
System.out.println("enter the values of row "+ i);
for(int j=0;j<arr[i].length;j++)
{
arr[i][j]=scan.nextInt();
}
}
//transpose of arr
int [][] arrtrans=new int [col][row];
for(int i=0;i<arr.length;i++)
{
System.out.println("enter the values of row "+ row);
for(int j=0;j<arr[i].length;j++)
{
arrtrans[j][i]=arr[i][j];
}
}
/*display*/
System.out.println("the orignal matrix is :");
for(int i=0;i<arr.length;i++)
{
for(int j=0;j<arr[i].length;j++)
{
System.out.print(" "+arr[i][j]);
}
System.out.println();
}
System.out.println("the transpose is :");
for(int i=0;i<arrtrans.length;i++)
{
for(int j=0;j<arrtrans[i].length;j++)
{
System.out.print(" "+arrtrans[i][j]);
}
System.out.println();
}
//check symmetry
boolean flag=true;
outer:for(int i=0;i<arrtrans.length;i++)
{
for(int j=0;j<arrtrans[i].length;j++)
{
if(arr[i][j]!=arrtrans[i][j])
{ flag=false;
break outer;
}
}
}
if (flag==false)
{
System.out.println("Not Symmetric");
}
else
{
System.out.println("Symmetric");
}
}
}
/*
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>javac Symmetry.java
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>java Symmetry
Enter the no of Rows
3
Enter the no of Columns
3
Enter the values
enter the values of row 0
1
2
3
enter the values of row 1
1
2
3
enter the values of row 2
1
2
3
enter the values of row 3
enter the values of row 3
enter the values of row 3
the orignal matrix is :
1 2 3
1 2 3
1 2 3
the transpose is :
1 1 1
2 2 2
3 3 3
Not Symmetric
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>
*/
//Program by Ahlam Ansari
import java.util.*;
class Symmetry
{
public static void main(String [] ahlam)
{
Scanner scan=new Scanner(System.in);
System.out.println("Enter the no of Rows");
int row=scan.nextInt();
System.out.println("Enter the no of Columns");
int col=scan.nextInt();
int arr[][]=new int [row][col];
System.out.println("Enter the values");
for(int i=0;i<arr.length;i++)
{
System.out.println("enter the values of row "+ i);
for(int j=0;j<arr[i].length;j++)
{
arr[i][j]=scan.nextInt();
}
}
//transpose of arr
int [][] arrtrans=new int [col][row];
for(int i=0;i<arr.length;i++)
{
System.out.println("enter the values of row "+ row);
for(int j=0;j<arr[i].length;j++)
{
arrtrans[j][i]=arr[i][j];
}
}
/*display*/
System.out.println("the orignal matrix is :");
for(int i=0;i<arr.length;i++)
{
for(int j=0;j<arr[i].length;j++)
{
System.out.print(" "+arr[i][j]);
}
System.out.println();
}
System.out.println("the transpose is :");
for(int i=0;i<arrtrans.length;i++)
{
for(int j=0;j<arrtrans[i].length;j++)
{
System.out.print(" "+arrtrans[i][j]);
}
System.out.println();
}
//check symmetry
boolean flag=true;
outer:for(int i=0;i<arrtrans.length;i++)
{
for(int j=0;j<arrtrans[i].length;j++)
{
if(arr[i][j]!=arrtrans[i][j])
{ flag=false;
break outer;
}
}
}
if (flag==false)
{
System.out.println("Not Symmetric");
}
else
{
System.out.println("Symmetric");
}
}
}
/*
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>javac Symmetry.java
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>java Symmetry
Enter the no of Rows
3
Enter the no of Columns
3
Enter the values
enter the values of row 0
1
2
3
enter the values of row 1
1
2
3
enter the values of row 2
1
2
3
enter the values of row 3
enter the values of row 3
enter the values of row 3
the orignal matrix is :
1 2 3
1 2 3
1 2 3
the transpose is :
1 1 1
2 2 2
3 3 3
Not Symmetric
C:\Documents and Settings\AHLAM\My Documents\Google Drive\My Lectures\Fall\OOPM\
Programs>
*/
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