Example: A Very Big Sum C++ Program

C
C++
C#
Java
Python
PHP

// A Very Big Sum C++ Program
#include <iostream>
using namespace std;

int main() {
    int s = 0;
    cout << "Enter the size of array::\n";
    cin >> s;

    long arr[s], sum=0;
    int i=0;

    while (i<s) {
        cin >> arr[i];
        sum += arr[i];
        i++;
    }

    // It will return the final output
    cout << "\nBig Sum = " << sum << endl;
    return 0;
}