def execute_circuit_qcomp(self):
IBMQ.load_account()
provider = IBMQ.get_provider('ibm-q')
# Get least busy computer.
qcomp = least_busy(provider.backends(simulator=False))
print('Running on', qcomp)
job = execute(qubit, backend=qcomp)
job_monitor(job)
result = job.result()
return plot_histogram(result.get_counts())
secret_number = '10110111'
secret_number_length = len(secret_number)
qubit_series = range(secret_number_length)
# Circuit setup
circuit = QuantumCircuit(secret_number_length + 1, secret_number_length)
circuit.h(qubit_series)
circuit.x(secret_number_length)
circuit.h(secret_number_length)
circuit.barrier()
# Check positions of 1 and apply a CNOT(CX) gate
for index, check in enumerate(reversed(secret_number)):
if check == '1':
circuit.cx(index, secret_number_length)
circuit.barrier()
circuit.h(qubit_series)
circuit.barrier()
circuit.measure(qubit_series, qubit_series)
circuit.draw(output='mpl')
# Measurement
IBMQ.load_account()
provider = IBMQ.get_provider(hub='ibm-q', group='open', project='main')
device = provider.get_backend('ibmq_16_melbourne') # We need many qubits
job = execute(circuit, backend=device, shots=1)
print("Job ID in ibmq_16_melbourne:", job.job_id())
job_monitor(job)
result = job.result()
counts = result.get_counts()
print("Guess and in iterations:", counts)