[HackerRank] A Very Bing Sum c++

• Problem

 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 .

 

• sample input

5
1000000001 1000000002 1000000003 1000000004 1000000005

• output

5000000015

 

• solution (c++)

long aVeryBigSum(vector<long> ar) {
    unsigned long int  sum = 0;
    for(auto &it : ar){
        sum += it;
    }
    return sum;
}

hackerrank a very big sum solution

• solution (python)

def aVeryBigSum(ar):
    # Write your code here
    ans = 0
    for num in ar:
        ans += int(num)
    return ans

hackerrank a very big sum solution python

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