#define NUM_QUBITS 2 // Number of simulated qubits

// Array to store the states of qubits
bool qubits[NUM_QUBITS] = {false}; // Initialize all qubits in state |0>

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
}

void loop() {
  // Example: Create and execute a simple quantum circuit
  applyHadamardGate(0); // Apply H gate to qubit 0
  applyPauliXGate(1);   // Apply X gate to qubit 1
  applyCNOTGate(0, 1);  // Apply CNOT gate to qubits 0 and 1

  // Measure qubit states and output the results
  for (int i = 0; i < NUM_QUBITS; i++) {
    bool result = measureQubit(i);
    Serial.print("Qubit ");
    Serial.print(i);
    Serial.print(": ");
    Serial.println(result);
  }

  delay(1000); // Delay for readability (optional)
}

// Function to apply Hadamard gate to a qubit
void applyHadamardGate(int qubitIndex) {
  // Simulated H gate: equivalent to a classical NOT gate
  qubits[qubitIndex] = !qubits[qubitIndex];
}

// Function to apply Pauli-X gate (NOT gate) to a qubit
void applyPauliXGate(int qubitIndex) {
  // Flip the state of the qubit
  qubits[qubitIndex] = !qubits[qubitIndex];
}

// Function to apply CNOT gate (Controlled-NOT) to two qubits
void applyCNOTGate(int controlQubitIndex, int targetQubitIndex) {
  // If the control qubit is |1>, flip the state of the target qubit
  if (qubits[controlQubitIndex]) {
    qubits[targetQubitIndex] = !qubits[targetQubitIndex];
  }
}

// Function to measure the state of a qubit
bool measureQubit(int qubitIndex) {
  // Simulated measurement: returns the state of the qubit
  return qubits[qubitIndex];
}