A Very Big Sum

In this challenge, you are required to calculate and print the sum of the elements in an array, keeping in mind that some of those integers may be quite large.

Function Description

Complete the aVeryBigSum function in the editor below. It must return the sum of all array elements.

aVeryBigSum has the following parameter(s):

• int ar[n]: an array of integers .

Return

• long: the sum of all array elements

Input Format

The first line of the input consists of an integer .
The next line contains  space-separated integers contained in the array.

Output Format

Return the integer sum of the elements in the array.

Constraints

Sample Input

5 1000000001 1000000002 1000000003 1000000004 1000000005

Output

5000000015

 

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the aVeryBigSum function below.
def aVeryBigSum(ar):
    sum = 0
    for sum_data in ar:
        sum += sum_data
    return sum

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    ar_count = int(input())

    ar = list(map(int, input().rstrip().split()))

    result = aVeryBigSum(ar)

    fptr.write(str(result) + '\n')

    fptr.close()