XOR-ing the Subarrays! - InterviewBit Solution

Problem Description

Given an integer array A of size N.
You need to find the value obtained by XOR-ing the contiguous subarrays, followed by XOR-ing the values thus obtained. Determine and return this value.
For example, if A = [3, 4, 5] :

Subarray Operation Result
3 None 3
4 None 4
5 None 5
3,4 3 XOR 4 7
4,5 4 XOR 5 1
3,4,5 3 XOR 4 XOR 5 2

Problem Constraints

1 <= N <= 105
1 <= A[i] <= 108

Input Format

The first and only argument is an integer array A.

Output Format

Return a single integer denoting the value as described above.

Solution Approach:

Solution in CPP:

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