Problem Description
There is a complete binary tree with N nodes.The subtree of the node i has Ai nodes.How many distinct numbers are there of Ai?
Input
There are multiple test cases, no more than 1000 cases.
For each case contains a single integer N on a line.(1≤N≤1018)
Output
The output of each case will be a single integer on a line:the number of subtrees that contain different nodes.
Sample Input
5
6
7
8
Sample Output
3
4
3
5
https://blog.csdn.net/weixin_34320159/article/details/91342160