Array Sum with For Loop

1#include <iostream>
2using namespace std;
3 
4int main() {
5    int arr[] = {3, 1, 4, 1, 5};
6    int sum = 0;
7    for (int i = 0; i < 5; i++) {
8        sum += arr[i];
9    }
10    cout << sum << endl;
11    return 0;
12}