/*
* Program checks if Matrix is symmetric or not and finds the sum of left and right diagonals
* Accept size M
* Input values in array
* Display original matrix
* Check if marix is symmetric
* Add left diagonal elements and right diagonal elements
* Display if the matrix is symmetric or not
* Print sum of left and right diagonal elements
*/
import java.util.*;
class SymmetricMatrix
{
void main()
{
int M;
int arr[][];
Scanner sc=new Scanner(System.in);
System.out.println("Enter number of rows and coloumn");
M=sc.nextInt();
arr=new int[M][M];
if( M<=0)
{
System.out.println("Enter positive number");
}
else
{
int lsum=0; int rsum=0;
for(int i=0; i