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template_nct_4b_1.py
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template_nct_4b_1.py
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# This code is part of Qiskit.
#
# (C) Copyright IBM 2020.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
"""
Template 4b_1:
.. parsed-literal::
q_0: ───────■─────────■──
│ │
q_1: ──■────┼────■────┼──
│ │ │ │
q_2: ──■────■────■────■──
┌─┴─┐┌─┴─┐┌─┴─┐┌─┴─┐
q_3: ┤ X ├┤ X ├┤ X ├┤ X ├
└───┘└───┘└───┘└───┘
"""
from qiskit.circuit.quantumcircuit import QuantumCircuit
def template_nct_4b_1():
"""
Returns:
QuantumCircuit: template as a quantum circuit.
"""
qc = QuantumCircuit(4)
qc.ccx(1, 2, 3)
qc.ccx(0, 2, 3)
qc.ccx(1, 2, 3)
qc.ccx(0, 2, 3)
return qc