Simple Array Sum Hackerrank Solution in C++

Hackerrank Solution For 'Simple Array Sum' using C++

Problem-2:

Given an array of integers, find the sum of its elements.

For example, if the array , , so return .

Function Description

Complete the simpleArraySum function in the editor below. It must return the sum of the array elements as an integer.

simpleArraySum has the following parameter(s):

• ar: an array of integers

Input Format

The first line contains an integer, , denoting the size of the array.
The second line contains  space-separated integers representing the array's elements.

Constraints

Output Format

Print the sum of the array's elements as a single integer.

Sample Input

6
1 2 3 4 10 11

Sample Output

31

Explanation

We print the sum of the array's elements: . 

Solution:

#include<iostream>

using namespace std;

int main()

{

      int n;                             //n is the number of element which we                                                 //used to sum eg. 6 element.

      int sum=0;                    //initialize sum with 0.

      cin>> n;                        // read n

      for(int i=0; i<n; i++)

      {

            int a;                       //a is the first element where the sum                                                     //begins.

            cin>>a;                   //read a

            sum += a;               //initialize the sum with first element

      }

      cout<<sum<<endl;      //print sum

      return 0;

}

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