using System;
using System.Collections.Generic;
using System.Collections;
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 List<int> twoSum (List<int> numbers, int target) {
List<int> res = new List<int>();
Hashtable hash = new Hashtable();
for(int i = 0; i < numbers.Count; i++){
if(hash.ContainsKey(target - numbers[i])){
res.Add(Convert.ToInt32(hash[target - numbers[i]]));
res.Add(i + 1);
return res;
}
else {
if(!hash.ContainsKey(numbers[i])){
hash.Add(numbers[i], i + 1);
}
}
}
return res;
}
}