Given anon emptyarray of numbers, a , a , a , , an , where ai lt . Find the maximum result of aiXOR aj, where i,j lt n. Could you do this in O n runtime Example: 这道题是一道典型的位操作 Bit Manipulation 的题目，我开始 ...
2016-10-23 23:57 5 13857 推荐指数：
这道题的题目很好理解，就是给你一个非空数组，求出数组中任意两个数异或后能得到的最大值。原题链接：LeetCode421 。根据题目下面的tag的提示，本题的解题思路是Trie树的利用和整数的位操作。 这里Trie树建立的思路是，整数在存储时是一个占据32bit的数，因此可以看成一个含32 ...
contain a single digit. Add the two numbers and retur ...
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 ...
You are given two linked lists representing two non-negative numbers. The most significant digit comes first and each of their nodes contain ...
Description In an edge-weighted tree, the xor ...
2.5 You have two numbers represented by a linked list, where each node contains a single digit. The digits are stored in reverse order ...
Given an array A of non-negative integers, return the maximum sum of elements in two non-overlapping (contiguous) subarrays, which have lengths L ...
Given an integer array, find three numbers whose product is maximum and output the maximum product. Example 1: Example ...
