Sum of Array in C++/ C program

 Write a simple program sum of array in C++/C 

#include <iostream>

using namespace std;

void SumofArray(int *arr, int n)

{

    int sum = 0;

    for (int i = 0; i < n; i++)

    {

        sum = sum + arr[i];

    }

    cout << "The Sum is : " << sum;

}

int main()

{

    int arr[] = {1, 2, 3, 4};

    int n = sizeof(arr) / sizeof(int);

    SumofArray(arr, n);

}

Output is :
The Sum is : 10