Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- 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 = 1+5+9=15. The right to left diagonal = 3+5+9 = 17 Their absolute difference is |15-17| = 2
Provide python code for the function DiagonalDifference(). It must return an integer representing the absolute diagonal difference. DiagonalDifference takes the following parameter: arr: a 2D array of integers.
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