167. 两数之和 II - 输入有序数组

func twoSum(numbers []int, target int) []int {
    low := 0
    high := len(numbers) - 1

    for low < high {
        sum := numbers[low] + numbers[high]
        if sum == target {
            return []int{low+1,high+1}
        }else if sum > target {
            high--
        }else {
            low++
        }
    }
    return  []int{-1,-1}
}