Sunday, 22 May 2016

Challenge #3 - Diagonal Difference

Given a square matrix of size , calculate the absolute difference between the sums of its diagonals.

Input Format:
The first line contains a single integer, . The next lines denote the matrix's rows, with each line containing space-separated integers describing the columns.  
Output Format:
Print the absolute difference between the two sums of the matrix's diagonals as a single integer.

Sample Input: 3 11 2 4 4 5 6 10 8 -12
Sample Output: 15

What you will learn:
- get diagonals of a matrix

Check my optimized solution bellow (PayPal button):

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