Diagonal Difference
import java . io .*; import java . math .*; import java . security .*; import java . text .*; import java . util .*; public class Solution { public static void main ( String args []) { int p = diagonalDifference (); System . out . println ( p ); } public static int diagonalDifference () { Scanner sc = new Scanner ( System . in ); int sum1 = 0 , sum2 = 0 ; int n = sc . nextInt (); int arr [][]= new int [ n ][ n ]; ...