100 - Let's Celebrate the 100th Contest on ZOJ! - 100I
Give you an integer number n. Please find out the answer of the expression below.
Please note that the submission limit of this problem is 1KB.
There are multiple test cases (No more than 100). Each test case contains a single integer n (1 <= n <= 100).
For each test case, print the answer in a line. The number should be rounded into 100 decimal digits.
Author: JIANG, Kai
Source: Let's Celebrate the 100th Contest on ZOJ!