https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/description/ 解题方法: 在解题之前,首先要了解2个事情: 两个数XOR的结果取决于这两位数的二进制形式每一位是否相同。当相同时,结果在这一位上为0;当不同时,结果在这一位上为1。 假设我们有3个数:a, b, c;当a 和 b以及b和c...
PS:位运算代码如下 classSolution{public:intfindMaximumXOR(vector<int>&nums){intres=0;intmask=0;for(inti=31;i>=0;i--){mask=mask|1<<i;unordered_set<int>s;for(autonum:nums)s.insert(num&mask);intexcept=res|1<<i;for(autonum:s)if(s.find(except^num)!=s.end()){res=except;break;}}...
Given anon-emptyarray 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, 2, 8]Output:28Explanation:The maximum result is5^25= 28. 思路:...
Maximum XOR of Two Numbers in an Array (M) 题目 Given anon-emptyarray 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:[3,10,5,25,2,8]Output:28Explan...
publicintfindMaximumXOR(int[] nums){ intn=nums.length; intx=0; for(inti=1; i < n; i++) { add(nums[i -1]); x = Math.max(x, check(nums[i])); } returnx; } publicvoidadd(intnum){ Nodecur=root; for(inti=HIGH_BIT; i >=0; i--) { ...
https://leetcode.com/problems/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 ...[WXM] LeetCode 421. Maximum XOR of Two Numbers in an Array C++ 421. Maximum XOR of Two Numb...
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 #include <unordered_map> #include <set> #include <unordered_set> #include...
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
13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 参考文献 [LeetCode] Maximum XOR of Two Numbers in an Array 数组中异或值最大的两个数字【特别好】【位运算】maximum-xor-of-two-numbers-in-an-array
Learn how to find the maximum XOR of two numbers in an array using C++. This article provides detailed explanations and examples.