首先复习一下异或运算规则:两个二进制的数字,同一个位置上的数字不同,XOR 为 1;数字相同的时候,XOR 为 0。所以这里如果要找 XOR 最大的结果,最好能找到两个数字,他们的二进制表达最好在每一位上都不同。而且 XOR 是具有交换律的,如果你有 a ^ b = c,你同时可以得到 a ^ c = b 和 b ^ c = ...
Github 同步地址: https://github.com/grandyang/leetcode/issues/421 参考资料: https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/ https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/discuss/130427/()-92 https://leetcode.com/problems/maximum-xor-of-two-...
LeetCode[421] Maximum XOR of Two Numbers in an Array Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of ai XOR aj, where 0 ≤ i, j < n. Could you do this in O(n) runtime? Example: Input: [3, 10, 5, 25,...
Can you solve this real interview question? Maximum XOR of Two Numbers in an Array - Given an integer array nums, return the maximum result of nums[i] XOR nums[j], where 0 <= i <= j < n. Example 1: Input: nums = [3,10,5,25,2,8] Output: 28 Explanati
参考这个链接[LeetCode] Maximum XOR of Two Numbers in an Array 数组中异或值最大的两个数字 这个方法肯定想不到 代码如下: #include <iostream> #include <vector> #include <map> #include <unordered_map> #include <set> #include <unordered_set> ...
Leetcode: Maximum XOR of Two Numbers in an Array Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of ai XOR aj, where0 ≤ i, j <n. Could youdothisin O(n) runtime?Example:...
Leetcode 2078. Two Furthest Houses With Different Colors sdncomversion遍历博客 文章作者:Tyan 博客:noahsnail.com | CSDN | 简书 Tyan 2022/05/10 2760 Leetcode 53. Maximum Subarray 编程算法 文章作者:Tyan 博客:noahsnail.com | CSDN | 简书 Tyan 2022/05/09 3200 Leetcode 421. Maximum XOR of Two...
My Leetcode Solutions. Contribute to developer-kush/Leetcode development by creating an account on GitHub.
421 Maximum XOR of Two Numbers in an Array 数组中两个数的最大异或值 Description: Given an integer array nums, return the maximum result of nums[i] XOR nums[j], where 0 ≤ i ≤ j < n. Follow up: Could you do this in O(n) runtime?
1072. 按列翻转得到最大值等行数 - 给定 m x n 矩阵 matrix 。 你可以从中选出任意数量的列并翻转其上的 每个 单元格。(即翻转后,单元格的值从 0 变成 1,或者从 1 变为 0 。) 返回 经过一些翻转后,行内所有值都相等的最大行数 。 示例 1: 输入:matrix = [[0,