Given an array of integers, every element appearsthreetimes except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?
这题理解起来比single number 3 简单些。 没个数都出现三次， 只有一个粗线一次。那找到每个位上的1 的值%3 ！= 0 就是这个值。32个位挨个找一遍。
Given a non-empty array of integers, every element appear...
题目分析 Given an array of integers, every element appears th...
由于所有数字都出现奇数次，所以无法直接使用异或操作。考虑到计算机使用二进制存储数字，可以建立一个32位的数字，统计...
1.描述 Given an array of integers, every element appears th...
题目描述：给一个整数数组，其中除了一个元素外每个元素都出现三次，找出这个只出现一次的元素。要求时间复杂度O(n)，...
Given an array of integers, every element appears three t...
Given an array of integers, every element appearsthreetim...
Given an array of integers, every element appears three t...
Given an array of integers, every element appears three t...
Given an array of integers, every element appears three t...
本文标题：137. Single Number II
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