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ch06_02_grover_freq.qasm
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ch06_02_grover_freq.qasm
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// Programming Quantum Computers
// by Eric Johnston, Nic Harrigan and Mercedes Gimeno-Segovia
// O'Reilly Media
//
// More samples like this can be found at http://oreilly-qc.github.io
//
// A complete set of all OpenQASM samples (including this one) can be found at
// https://github.com/oreilly-qc/oreilly-qc.github.io/tree/master/samples/OpenQASM
//
// OpenQASM code was generated with the help of Qiskit (http://qiskit.org)
// A complete set of all Qiskit samples (including this one) can be found at
// https://github.com/oreilly-qc/oreilly-qc.github.io/tree/master/samples/Qiskit
// Run this sample in the IBM Q Experience Circuit Composer
// at https://quantum-computing.ibm.com
// Example 6-2: Repeated iterations
OPENQASM 2.0;
include "qelib1.inc";
qreg reg[4];
qreg scratch[1];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[2];
x reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[2];
x reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[2];
x reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[2];
x reg[3];
barrier reg[0],reg[1],reg[2],reg[3],scratch[0];
h reg[0];
h reg[1];
h reg[2];
h reg[3];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
ccx reg[0],reg[1],scratch[0];
h reg[3];
ccx scratch[0],reg[2],reg[3];
h reg[3];
ccx reg[0],reg[1],scratch[0];
x reg[0];
x reg[1];
x reg[2];
x reg[3];
h reg[0];
h reg[1];
h reg[2];
h reg[3];