Hennge challenge

main.go

package main

import (
	"fmt"
	"math"
)

var sum float64


func main() {
	fmt.Println("Boring Hennge challenge.")
	var numberOfTestCases int

	_, _ = fmt.Scanf("%d", &numberOfTestCases)

	startMainApplication(numberOfTestCases)
}


func startMainApplication(numberOfTestCases int) {

	if numberOfTestCases < 1 {
		return
	}
	var numberOfSpaceSeparatedIntegers int
	_, _ = fmt.Scanf("%d", &numberOfSpaceSeparatedIntegers)
	takeInNumbers(numberOfSpaceSeparatedIntegers)
	fmt.Println(sum)
	sum = 0
	numberOfTestCases--
	startMainApplication(numberOfTestCases)
	//
}

func takeInNumbers(numberOf int) {
	if numberOf < 1 {
		return
	}

	var number int
	_, _ = fmt.Scanf("%d", &number)
	if !isNegative(number) {
		sum += math.Pow(float64(number), 2.0)
	}
	numberOf--
	takeInNumbers(numberOf)
}

func isNegative(number int) bool {
	if number < 0 {
		return true
	}
	return false
}