D. Distinguish plus state and minus state
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

You are given a qubit which is guaranteed to be either in or in state.

Your task is to perform necessary operations and measurements to figure out which state it was and to return 1 if it was a state or -1 if it was state. The state of the qubit after the operations does not matter.

Input

You have to implement an operation which takes a qubit as an input and returns an integer.

Your code should have the following signature:

namespace Solution {    open Microsoft.Quantum.Primitive;    open Microsoft.Quantum.Canon;    operation Solve (q : Qubit) : Int    {        body        {            // your code here        }    }}