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Get Maximum in Generated Array

  You are given an integer   n . An array   nums   of length   n + 1   is generated in the following way: nums[0] = 0 nums[1] = 1 nums[2 * i] = nums[i]  when  2 <= 2 * i <= n nums[2 * i + 1] = nums[i] + nums[i + 1]  when  2 <= 2 * i + 1 <= n Return   the  maximum  integer in the array  nums ​​​. Example 1: Input: n = 7 Output: 3 Explanation: According to the given rules: nums[0] = 0 nums[1] = 1 nums[(1 * 2) = 2] = nums[1] = 1 nums[(1 * 2) + 1 = 3] = nums[1] + nums[2] = 1 + 1 = 2 nums[(2 * 2) = 4] = nums[2] = 1 nums[(2 * 2) + 1 = 5] = nums[2] + nums[3] = 1 + 2 = 3 nums[(3 * 2) = 6] = nums[3] = 2 nums[(3 * 2) + 1 = 7] = nums[3] + nums[4] = 2 + 1 = 3 Hence, nums = [0,1,1,2,1,3,2,3], and the maximum is 3. Example 2: Input: n = 2 Output: 1 Explanation: According to the given rules, the maximum between nums[0], nums[1], and nums[2] is 1. Example 3: Input: n = 3 Output: 2 Explanation: