HackerEarth Array Sum problem solution

YASH PAL,
In this HackerEarth Array Sum problem solution, You are given an array A consisting of N integers.
HackerEarth Array Sum problem solution

HackerEarth Array Sum problem solution.

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
typedef long long int ll;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    ll n,sum=0;
    cin>>n;
    while(n--)
    {
        ll a;
        cin>>a;
        sum+=a;
    }
    cout<<sum;
    return 0;
}
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