// Grover's search on two qubits for |11⟩: one iteration finds it on every shot.
// The oracle and the diffusion each a controlled-Z written with `ctrl @`.
OPENQASM 3.1;
include "stdgates.inc";
qubit[2] q;
bit[2] c;
h q;
ctrl @ z q[0], q[1];
h q;
x q;
ctrl @ z q[0], q[1];
x q;
h q;
c = measure q;