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  2. Algorithms
  3. Warmup
  4. Diagonal Difference
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Diagonal Difference

  • wilson155079
     + 0 comments
        public static int diagonalDifference(List<List<Integer>> arr) {
        // Write your code here
        int n = arr.size();
        
        int total = 0;
        for (int i = 0; i < n; i++) {
            // int left = arr.get(i).get(i);
            // int right = arr.get(i).get(n - 1 - i);
            // total += (left - right);
            total += arr.get(i).get(i) - arr.get(i).get(n - 1 - i);
        }
        
        return Math.abs(total);
    }