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  1. Diagonal Difference
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Diagonal Difference

  • pradymm
     + 0 comments
    public static int diagonalDifference(List<List<Integer>> arr) {
// Write your code here
    Integer leftToRight = 0;
    Integer rightToLeft = 0;
    Integer result = 0;
    Integer n = arr.size();

    for(int i = 0; i < n ; i ++){
        leftToRight = leftToRight + arr.get(i).get(i);
        rightToLeft = rightToLeft + arr.get(i).get(n-1-i);
    }
     result = leftToRight - rightToLeft;
     return result < 0 ? -result:result;
}