HackerRank Simple Array Sum solution

Simple Array Sum Solution in C

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
#define N 1000

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    int x[N],n,i,t;
        scanf("%d",&n);
    for(i=0;i<n;i++)
          if(i==0)
        
    {scanf("%d",&x[i]);t=x[i];}
               else
                 if(getchar()==' ')
                  {scanf("%d",&x[i]);t=t+x[i];}
    printf("%d",t);
    return 0;

Simple Array Sum Solution in Cpp

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


int main() {
    
    unsigned long long int N, Sum = 0, i, Num;
    
    cin>>N;
    
    for (i = 1 ; i <= N ; i++)
        {
        cin>> Num;
        Sum += Num;
    }
    
    cout<<Sum<<endl;
       
    
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;

Simple Array Sum Solution in Java

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int length = input.nextInt();
        int sum = 0;
        
        for(int i = 0; i < length; i++) {
            sum += input.nextInt();
        }
        
        System.out.println(sum);
    }

Simple Array Sum Solution in Python

n = input()
arr = map(int,raw_input().split())
print sum(arr)

Simple Array Sum Solution using JavaScript

function processData(input) {
    //Enter your code here
    var inputs = input.split('\n');
    var arrayToSum = inputs[1].split(' ');
    var sum = 0;
    
    for (var i = 0; i < arrayToSum.length; i++) {
        sum += parseInt(arrayToSum[i], 10);       
        
    }
    console.log(sum);
} 

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});

Simple Array Sum Solution in Scala

bject Solution {

    def main(args: Array[String]) {
        val lines = io.Source.stdin.getLines
        val sum = lines.drop(1).next.split(" ").toList.map( _.toInt ).sum
        println(sum)
    }

Simple Array Sum Solution in Pascal

(* Enter your code here. Read input from STDIN. Print output to STDOUT *)
var n, s, x: longint;
begin
  readln(n);
  s:= 0;
  while n>0 do begin
    read(x);
    inc(s,x);
    dec(n);
  end;
  writeln(s);
  
end.

Disclaimer: This problem (Simple Array Sum) is generated by HackerRank but the solution is provided by Chase2learn. This tutorial is only for Educational and Learning purposes.

FAQ:

1. How do you solve the first question in HackerRank?

If you want to solve the first question of Hackerrank then you have to decide which programing language you want to practice i.e C programming, Cpp Programing, or Java programming then you have to start with the first program HELLO WORLD.

2. How do I find my HackerRank ID?

You will receive an email from HackerRank to confirm your access to the ID. Once you have confirmed your email, the entry will show up as verified on the settings page. You will also have an option to “Make primary”. Click on that option. Read more

3. Does HackerRank detect cheating?

yes, HackerRank uses a powerful tool to detect plagiarism in the candidates’ submitted code. The Test report of a candidate highlights any plagiarized portions in the submitted code and helps evaluators to verify the integrity of answers provided in the Test.

4. Does HackerRank use camera?

No for coding practice Hackerrank does not use camera but for companies’ interviews code submission time Hackerrank uses the camera.

5. Should I put HackerRank certificate on resume?

These certificates are useless, and you should not put them on your resume. The experience you gained from getting them is not useless. Use it to build a portfolio, and link to it on your resume.

6. Can I retake HackerRank test?

The company which sent you the HackerRank Test invite owns your Test submissions and results. It’s their discretion to permit a reattempt for a particular Test. If you wish to retake the test, we recommend that you contact the concerned recruiter who invited you to the Test and request a re-invite.

7. What is HackerRank?

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses. Developers compete by writing programs according to provided specifications. Wikipedi

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HackerRank Simple Array Sum solution

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