package main

import (
    "fmt"
)

func twoSum(nums []int, target int) []int {
	var i, j, v int
    for i, v = range nums {
        for j = i+1; j < len(nums); j++ {
            if v + nums[j] == target {
                return []int{i, j}
            }
        }
    }
    // not found, [-1 -1]
	return []int{-1, -1}
}