Basic - Simple Array Sum.kt

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

For example, if the array ar = [1, 2 ,3], 1 + 2 + 3 = 6, so return 6.

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.

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: 1 + 2 + 3 + 4 + 10 + 11 = 31
*/

fun simpleArraySum(ar: Array<Int>): Int = ar.sum()

fun main(args: Array<String>) {
    val arCount = readLine()!!.trim().toInt()

    val ar = readLine()!!.trimEnd().split(" ").map{ it.toInt() }.toTypedArray()

    val result = simpleArraySum(ar)

    println(result)
}