https://www.hackerrank.com/challenges/simple-array-sum

simple_array_sum.go

package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	var lines [2]string
	var count int

	for scanner.Scan() {
		lines[count] = scanner.Text()
		count++
	}

	if err := scanner.Err(); err != nil {
		panic(err)
	}

	size := string(lines[0])
	numbers := strings.Split(string(lines[1]), " ")

	intSize, err := strconv.Atoi(size)
	if err != nil {
		panic(err)
	}

	var total int

	for x := 0; x < intSize; x++ {
		intNumber, err := strconv.Atoi(numbers[x])
		if err != nil {
			panic(err)
		}
		total += intNumber
	}
	fmt.Println(total)
}