code challenge fun

codechallenge.go

package main

import "log"

func main() {
	numbers := []int{23, 2, 4, 7, 2, 11}
	find := 20 // should return true
	// numbers := []int{1, 3, 5, 23, 2}
	// find := 8 // should return true
	//numbers := []int{1, 3, 5, 23, 2}
	//find := 7 // should return false
	log.Println(AddUp(numbers, find))
}

func AddUp(numbers []int, total int) bool {
	var sum = 0
	var start = 0
	var stop = 0
	for true { // loop continiously until match is found or until all outcomes have been exhausted
		if sum < total {
			if stop >= len(numbers) {
				return false
			}
			sum += numbers[stop]
			stop++
		} else if sum > total {
			sum -= numbers[start]
			start++
		} else if sum == total {
			return true
		}

	}
	return false
}