equal-halfs.go

// Split the integer number into two (n is always even in size)
// Sum each half, if they are equal, return true


package main

import (
	"fmt"
	"strconv"
)

func main() {
	x := 1230
	fmt.Println(isLucky(x))
}

func isLucky(n int) bool {
	str := strconv.Itoa(n)
  
  // Get the length of n's half
	size := len(str) / 2
  
  // Tells the loop when to change the sum to the second half
	counter := 0

	var firstHalf int
	var secondHalf int

	for _, v := range str {
		x, err := strconv.Atoi(string(v))

		if err != nil {
			fmt.Printf("Error converting %s into integer: %s", v, err)
		}

		if counter < size {
			firstHalf = firstHalf + x
		} else {
			secondHalf = secondHalf + x
		}
		counter++
	}

	if firstHalf == secondHalf {
		return true
	}

	return false
}