# Hacker Rank solution for Simple Array Sum in C++

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Check This- Hacker rank Solution for C++ Sub Domain Introduction, Classes, STL, Inheritance.

Explanation:- Take multiple inputs of the same type and store the input in an array after that with the help of the third variable add or the sum of all available and print the sum of an array. Here is a huge collection of the program in C, C++, and Java. If you want to practice more and more program in C language and C++ Click here for C language and for C++ Click here

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Copy the full solution or colored code and paste into the hacker rank editor and click to Run Code if the code runs successfully then click to Submit Code. Before pasting the code into the editor make sure you have chosen c++ editor in the top right drop down option.

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Solution:-

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int main()
{
int n,sum=0;
cin >> n;

vector<int> arr(n);

for(int arr_i = 0;arr_i < n;arr_i++)
{
cin >> arr[arr_i];
// sum+=arr[arr_i];
}

for(int arr_i = 0;arr_i < n;arr_i++)
{
sum+=arr[arr_i];
}
cout<<sum;
return 0;
}

Output:-