* Given the array arr of positive integers and the array queries where queries[i] = [Li, Ri], * for each query i compute the XOR of elements from Li to Ri (that is, arr[Li] xor arr[Li+1] xor ... xor ...

// You are given a sorted array nums of n non-negative integers and an integer maximumBit. You want to perform the following query n times: // Find a non-negative integer k < 2maximumBit such that ...