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,...
https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/discuss/91049/Java-O(n)-solution-using-bit-manipulation-and-HashMap https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/discuss/91064/C%2B%2B-22-ms-beats-99.5-array-partitioning-similar-to-quick-sort L...
具体到这道题,对于某个数字 nums[i],我会先把前 i - 1 个数字的二进制表达都放到字典树里,那么我在遍历当前这个数字 nums[i] 的时候,我就可以找到与他做 XOR 运算能得到的最大结果是多少。 时间O(nlogc) - n 个数字,每个数字被插入字典树的复杂度为O(logc) 空间O(nlogc) Java实现 classSolution{ ...
【特别好】【位运算】maximum-xor-of-two-numbers-in-an-array,https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/利用了异或的”自反性“:a^b=c,而a^b^b=a,则c^b=a其他运算定律有:交换律、结合律、分配律。注意:计算使用的
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:...
Learn how to find the maximum XOR of two numbers in an array using C++. This article provides detailed explanations and examples.
628. Maximum Product of Three Numbers Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example 2: Note: The length of the given array will be in range [3,104] and all elements ......
The compiler imposes this limit to reduce the size of error reports. Error ID: BC30041 To correct this error Review the other errors generated by this compilation and resolve as many as possible. If the source code contains more than 100 errors, you might see more errors in the next ...
curNode= curNode.children[curBit ^ 1]; }else{ curNode=curNode.children[curBit]; } } max=Math.max(curSum, max); }returnmax; } } https://leetcode.com/problems/maximum-xor-of-two-numbers-in-an-array/discuss/91059/Java-O(n)-solution-using-Trie...
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?