guptaarth87 / diagonal_difference-solution_in_python-problem_solving-hackerrank

Given a square matrix, calculate the absolute difference between the sums of its diagonals. For example, the square matrix is shown below: 1 2 3 4 5 6 9 8 9 The left-to-right diagonal = . The right to left diagonal = . Their absolute difference is . Function description Complete the function in the editor below. It must return an integer representing the absolute diagonal difference. diagonalDifference takes the following parameter: arr: an array of integers . Input Format The first line contains a single integer, , the number of rows and columns in the matrix . Each of the next lines describes a row, , and consists of space-separated integers . Constraints Output Format Print the absolute difference between the sums of the matrix's two diagonals as a single integer. Sample Input 3 11 2 4 4 5 6 10 8 -12 Sample Output 15 Explanation The primary diagonal is: 11 5 -12 Sum across the primary diagonal: 11 + 5 - 12 = 4 The secondary diagonal is: 4 5 10 Sum across the secondary diagonal: 4 + 5 + 10 = 19 Difference: |4 - 19| = 15 Note: |x| is the absolute value of x

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