题解 | 两数之和

#
# 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
#
class Solution:
    def twoSum(self , numbers: List[int], target: int) -> List[int]:
        # write code here
        n=len(numbers)
        dic={}
        for i,x in enumerate(numbers):
            dic[x]=i
        for i in range(n):
            if target-numbers[i] in dic and i!=dic[target-numbers[i]]:
                return [i+1,dic[target-numbers[i]]+1]