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 ...
Given an array of numbersnums, in which exactly two elements appear only once and all the other elements appear exactly twice. Find the two elements that appear only once. Example: Note: The order of ...
2015-08-19 00:42 10 16860 推荐指数:
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 ...
Given a non-empty array of integers, every element appears three times except for one, which appears exactly once. Find that single one. Note ...
利用bitwise XOR的特点,n个数(0或1),如果1的个数为奇数,则n个数bitwise XOR结果为1,否则为0 先将所有的数异或,得到的将是x和y以后之后的值n。 找到这个数 ...
An ugly number is a positive integer that is divisible by a, b, or c. Given four integers n, a, b, and c, return the nth ugly number. Example ...
A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down ...
原题地址:http://www.cnblogs.com/x1957/p/3373994.html 题意:Given an array of integers, every element appears twice except for one. Find that single one. ...
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 ...
题目: Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear ...