My code passes all public tests but not the private ones. Can someone show why. Thanks.
Hello! If applicable, put your complete code example down below. Make sure that your code:
- is 100% self-contained — someone can copy-paste exactly what is here and run it to
reproduce the behaviour you are observing - includes comments
# Put code here
def U(n_wires, label):
"""
This function will define the gate U. It should not return anything,
just include the operators that define the gate.
Args:
n_wires (int): Number of wires
label (int): Number of mountains that we believe the function has
"""
# Put your code here #
qml.QFT(range(n_wires-1))
state=np.array(range(2**(n_wires-1)))*0
state[label]=1
state[2**(n_wires-1)- label] = 1
state = state/np.linalg.norm(state)
def basis_prep(state):
qml.MottonenStatePreparation(state_vector=state,wires=range(n_wires-1))
return
qml.adjoint(basis_prep)(state)
def ansatz(wire):
qml.CNOT([0,wire])
return
qml.CNOT([0,n_wires-1])
m = qml.measure(n_wires-2)
qml.cond(m==1,ansatz)(wire=n_wires-1)
These functions are responsible for testing the solution.
def round_if_close(x):
if round(x,3) == 0.0:
return 0
elif round(x,3) == 1.0:
return 1
else:
return 0.5
def run(test_case_input: str) → str:
inputs = json.loads(test_case_input)
n_wires = int(inputs[0])
phi = np.array(inputs[1])
label = int(inputs[2])
dev = qml.device("default.qubit", wires = n_wires)
@qml.qnode(dev)
def circuit():
qml.AmplitudeEmbedding(phi, wires = range(n_wires-1))
U(n_wires, label)
return qml.probs(wires = n_wires-1)
out = round_if_close(circuit()[1].numpy())
return str(out)
def check(solution_output: str, expected_output: str) → None:
solution_output = json.loads(solution_output)
expected_output = json.loads(expected_output)
assert(np.isclose(solution_output, 0.) or np.isclose(solution_output, 1.)), "Make sure that with one shot you always get the same output"
assert solution_output == expected_output, "The function did not predict the result correctly"
If you want help with diagnosing an error, please put the full error message below:
# Put full error message here
passes all public tests
Running on private test set
One or more private tests failed. Try again! 🚫
And, finally, make sure to include the versions of your packages. Specifically, show us the output of qml.about().
