class Solution(object):
def singleNumber(self, nums):
"""
:type nums: List[int]
:rtype: int
"""
return -sum(nums)+2*sum(set(nums))
class Solution(object):
def singleNumber(self, nums):
"""
:type nums: List[int]
:rtype: int
"""
return -sum(nums)+2*sum(set(nums))
D51 136. Single Number 题目链接 136. Single Number 题目分析 返回给定数...
136. Single Number https://leetcode.com/problems/single-n...
136. Single Number Given an array of integers, every elem...
136. Single Number Description Given a non-empty array of...
题目链接：136. Single Number 题目描述 Given a non-empty array of i...
Leetcode: 136. Single NumberGiven a non-empty array of in...
Given a non-empty array of integers, every element appear...
Problem Given a non-empty array of integers, every elemen...
问题描述 Given a non-empty array of integers, every element a...
首先哈希表的做法，时间复杂度够，但是空间肯定不行： 思路2：利用异或操作。异或的性质1：交换律a ^ b = b ...
本文标题：136. Single Number
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