class Solution {
    public int[] twoSum(int[] nums, int target) {
        for (int i = 0; i < nums.length - 1; i++)
            for (int j = i + 1; j < nums.length; j++)
                if (target - nums[i] == nums[j])
                    return new int[] { i, j };

        return new int[] { -1, -1 };
    }
}