#include <stdio.h>
#include <functional>
#include <numeric>
#include <iterator>
 
using namespace std;
 
// Function to find odd occurring element in a given array
int findOddOccuring(int arr[], int n)
{
	return accumulate(arr, next(arr, n), 0, std::bit_xor<>{});
}
 
// main function
int main()
{
	int arr[] = { 4, 3, 6, 2, 6, 4, 2, 3, 4, 3, 3 };
	int n = sizeof(arr) / sizeof(arr[0]);
 
	printf("Odd occurring element is %d", findOddOccuring(arr, n));
 
	return 0;
}

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