The following languages are only available languages for the problems from the contest

Microsoft Q# Coding Contest - Summer 2018 - Warmup:

- Microsoft Q#

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D. Distinguish plus state and minus state

time limit per test

1 secondmemory limit per test

256 megabytesinput

standard inputoutput

standard outputYou 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

}

}

}

Codeforces (c) Copyright 2010-2019 Mike Mirzayanov

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