➽ Problem:-

https://www.hackerrank.com/challenges/diagonal-difference/problem

➽ Solution:-

#include<bits/stdc++.h>

using namespace std;

int main()

{

    int N;

    cin>>N;

    int A[N];

    int LDS=0;

    int RDS=0;

    for(int i=0;i<N;i++)

    {

        for(int j=0;j<N;j++)

        {

            cin>>A[i];

            if(i==j)

                LDS += A[i];

            if(i+j==N-1)

                RDS += A[i];

        }

    }   

    cout << abs(LDS-RDS) << endl;

    return 0;

}