LeetCode167.go

package main

import "fmt"

func twoSum(numbers []int, target int) []int {
	left , right := 0 , len(numbers) - 1
	for left < right {
		sum := numbers[left] + numbers[right]
		if sum == target {
			return []int{left + 1 , right + 1}
		} else if sum > target {
			right --
		} else {
			left  ++
		}
	}
	return []int{}
}
func main() {
	fmt.Println( twoSum([]int{2,7,11,15},9))
}