Sum of Array Elements

const arr = [10, 20, 30, 40];
console.log(arr.reduce((a, b) => a + b, 0));

public class Main {
    public static void main(String[] args) {
        int[] arr = {10, 20, 30, 40};
        int total = 0;
        for (int x : arr) total += x;
        System.out.println(total);
    }
}

fun main() {
    val arr = intArrayOf(10, 20, 30, 40)
    println(arr.sum())
}

let arr = [10, 20, 30, 40]
print(arr.reduce(0, +))

void main() {
  List<int> arr = [10, 20, 30, 40];
  int total = arr.reduce((a, b) => a + b);
  print(total);
}

#include <iostream>
using namespace std;

int main() {
    int arr[] = {10, 20, 30, 40};
    int n = 4, total = 0;
    for (int i = 0; i < n; i++) total += arr[i];
    cout << total << endl;
    return 0;
}

#include <stdio.h>

int main() {
    int arr[] = {10, 20, 30, 40};
    int n = 4, total = 0;
    for (int i = 0; i < n; i++) total += arr[i];
    printf("%d\n", total);
    return 0;
}