How to Solve Maximum X O R With an Element From Array Problem
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Maximum XOR With an Element From Array
You are given an array nums consisting of non-negative integers. You are also given a queries array, where queries[i] = [xi, mi]. The answer to the ith query is the maximum bitwise XOR value of xi and...
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Understanding the Maximum X O R With an Element From Array Problem
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Problem Statement
You are given an array nums consisting of non-negative integers. You are also given a queries array, where queries[i] = [xi, mi]. The answer to the ith query is the maximum bitwise XOR value of xi and any element of nums that does not exceed mi. In other words, the answer is max(nums[j] XOR xi) for all j such that nums[j] <= mi. If all elements in nums are larger than mi, then the answer is -1. Return an integer array answer where answer.length == queries.length and answer[i] is the answer to the ith query.
Maximum XOR With an Element From Array
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Examples
nums = [0,1,2,3,4], queries = [[3,1],[1,3],[5,6]][3,3,7]1) 0 and 1 are the only two integers not greater than 1. 0 XOR 3 = 3 and 1 XOR 3 = 2. The larger of the two is 3. 2) 1 XOR 2 = 3. 3) 5 XOR 2 = 7.
nums = [5,2,4,6,6,3], queries = [[12,4],[8,1],[6,3]][15,-1,5]Constraints
1 <= nums.length, queries.length <= 105queries[i].length == 20 <= nums[j], xi, mi <= 109How Interview Coder Helps with Leetcode Problems
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