原文:[LeetCode] 137. Single Number II 单独的数字之二

Given anon emptyarray of integers, every element appearsthreetimes except for one, which appears exactly once. Find that single one. Note: Your algorithm should have a linear runtime complexity. Coul ...

2015-01-31 13:05 6 26361 推荐指数:

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leetcode[137] Single Number II

题目和上题类似,这里给的数组仅有一个数出现一次,其他的出现3次。返回那个出现一次的数。 这题还是比较难想到的。不想上一题只要异或一下就可以了,不用额外操作。 法一:还是用map方法 ...

Fri Dec 12 19:21:00 CST 2014 0 2721
[LeetCode] Single Number 单独数字

Given a non-empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear ...

Sat Nov 29 21:06:00 CST 2014 7 12204
LeetCode137. 只出现一次的数字 II(剑指offer 56-II)

137. 只出现一次的数字 II(剑指offer 56-II) 知识点:哈希表;位运算 题目描述 给你一个整数数组 nums ,除某个元素仅出现 一次 外,其余每个元素都恰出现 三次 。请你找出并返回那个只出现了一次的元素。 你的算法应该具有线性时间复杂度。 你可以不使用额外空间 ...

Sat Jul 24 05:54:00 CST 2021 0 164
leetcode -- Single Number II

Given an array of integers, every element appears three times except for one. Find that single one. Note:Your algorithm should have a linear runtime ...

Fri Oct 04 20:00:00 CST 2013 0 2971
[leetcode]Single Number II

Single Number的加强班 有n个数字,除了一个只出现过一次,其他的都出现了3次! 出现两次我们知道就是xor下就木有啦,那3次怎么搞? 我们还是用二进制位的方式来思考。 那么这些位,除去出现过一次的那个后,其他的都是3的倍数!- -我们把所有位1的个数mod 3,那么剩下 ...

Thu Oct 17 21:44:00 CST 2013 0 4413
Single Number II leetcode java

题目: Given an array of integers, every element appears three times except for one. Find that single one. Note: Your algorithm should have ...

Sun Jul 27 08:57:00 CST 2014 0 3233
[leetcode]Single Number II @ Python

原题地址:http://oj.leetcode.com/problems/single-number-ii/ 题意:Given an array of integers, every element appears three times except for one. Find ...

Sat May 10 06:38:00 CST 2014 1 3756
 
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