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Maximum Xor Of Two Numbers In An Array

1. Given an integer array nums. 2. return the maximum result of nums[i] XOR nums[j], where 0 <= i <= j < n.

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Maximum Xor Of Two Numbers In An Array

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1. Given an integer array nums. 2. return the maximum result of nums[i] XOR nums[j], where 0

Constraints

1. 1 <= nums.length <= 2 * 10^5 2. 0 <= nums[i] <= 2^31 - 1

Format

Input

Input is managed for you

Output

Output is managed for you

Example

Sample Input

6 3 10 5 25 2 8

Sample Output

28

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