liberation process

Link: https://www.nowcoder.com/acm/contest/115/F

Source: Niuke.com

Time limit: C/C++ 1 second, other languages ​​2 seconds
Space limit: C/C++ 32768K, other languages ​​65536K
64bit IO Format: %lld

Topic description

For the equation 2018 * x ^ 4 + 21 * x + 5 * x ^ 3 + 5 * x ^ 2 + 14 = Y,
given the value of Y, can you find the solution of the equation between 0 and 100?

Enter description:

Enter a positive integer T on the first line (representing the number of samples)
The next group T samples
One row per group of samples, enter a real number Y

Output description:

One line outputs the result corresponding to a sample,
Output the solution of the equation between 0 and 100, with 4 decimal places after the decimal point; if it does not exist, output -1