题解 | #两数之和#

import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     *
     * @param numbers int整型一维数组
     * @param target int整型
     * @return int整型一维数组
     */
    public int[] twoSum (int[] numbers, int target) {
        Map<Integer, Integer> map = new HashMap<>();
        int fir = 0;
        int sec = 0;
        for (int i = 0; i < numbers.length; i++) {
          
            int pernum = numbers[i];
              if(pernum>target+10){
                continue;
            }
            int tar = target - pernum;
            if (map.get(tar) != null) {
                fir = i + 1;
                sec = map.get(tar);
                return new int[] {sec,fir};
            }
            map.put(pernum, i + 1);
        }
        return null;
    }

}