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Grover's search algorithm is an algorithm that can perform a search in the order of square root of the input size. This is a provable speed up over the best classical algorithm, which requires a time of order N to perform a search.

2 votes
1 answer
426 views

How does ControlledOnInt in Q# make it Grovers Oracle?

I have an example with 6 qubits for names and 6 for telephones. I encoded their relation like this: (ControlledOnInt(1, SetRegisterToInt(6, _)))(rnames, rtels); (ControlledOnInt(3, SetRegisterToInt(2 …
Luis ALberto's user avatar
1 vote
1 answer
102 views

Entangling marked qubit with part of the register in Grover's search

Can the marked qubit be associated only with half of the register? I mean if I can ask the oracle if the $2$ low qubits from a $4$ qubit register have a certain value. I ask this to know if I can bi …
Luis ALberto's user avatar
1 vote

How is the Grover-Algorithm applied to a database?

I have a sample with qiskit sample link
Luis ALberto's user avatar
1 vote
2 answers
172 views

Is it possible to change the oracle in Grover's search to ponderate probabilities in multipl...

If I want to to search 2 values with Grover's algorithm, it outputs the same probability for both that is bigger that the no searched states that have the same lower percent. If I use an oracle ma …
Luis ALberto's user avatar