package main.java.twosum;

import java.util.*;

public class TwoSum {

    public int[] twoSum(int[] nums, int target) {
        Map<Integer, Integer> map = new HashMap<Integer, Integer>();
        for (int i = 0; i < nums.length; i++) {
            if (map.containsKey(nums[i])) {
                return new int[]{i, map.get(nums[i])};
            }
            map.put(target - nums[i], i);
        }
        return new int[]{-1, -1};
    }
}