題目

1. Two Sum

https://leetcode.com/problems/two-sum/

解答

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class Solution:
    def twoSum(self, nums, target):
        num = []
        for i,n in enumerate(nums):
            m = target - n
            if m in num:
                num.append(n)
                return [num.index(m), i]
            else:
                num.append(n)