Problem Statement
Implement the operation of preparing the state from the zero state on a quantum circuit with qubits.
The quantum state is defined as
Constraints
- Global phase is ignored in judge.
- The submitted code must follow the specified format:
from qiskit import QuantumCircuit
 
 
def solve() -> QuantumCircuit:
    qc = QuantumCircuit(2)
    # Write your code here:
 
    return qc