Go program to print sum of squares of positive integers from given spaced integers without using a 'for' statement

main.go

package main

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



func main(){
	reader := bufio.NewReader(os.Stdin)
	testcases, _ := reader.ReadString('\n')
	testcases = strings.TrimRight(testcases, "\r\n")
	t, err := strconv.Atoi(testcases)
	if err != nil {
		fmt.Println(err)
	}
	var final = []int{}
	solve(t, &final, reader)
	recursively_print(final)
}



func solve(testcases int, final *[]int, reader *bufio.Reader) {
	if testcases == 0 {
		return
	}

	/* procedure */
	_, _ = reader.ReadString('\n')
	input, _ := reader.ReadString('\n')
	input = strings.TrimRight(input, "\r\n")
	arr := strings.Split(input,  " ")
	ans := addsquares(arr, 0)
	*final = append(*final, ans)
	solve(testcases-1, final, reader)
}


func addsquares(input []string, ans int) int {
	num, _ := strconv.Atoi(input[0])
	if len(input) > 1 {
		if num > 0 {
			return addsquares(input[1:], ans + num*num)
		} else {
			return addsquares(input[1:], ans)
		}
	} else {
		if num < 0 {
			return ans 
		}
		return ans + num * num
	}
}

func recursively_print(input []int){
	if(len(input)) > 0 {
		fmt.Println(input[0])
		recursively_print(input[1:])
	} else {
		return
	}
}