#include <Arduino.h>
#include <vector>

class X {
public:
    X(int val) : value(val) {}

    void someFunction() const {
        Serial.print("Value: ");
        Serial.println(value);
        // Modify this function as needed
    }

    void printValue() const {
        Serial.print("Value: ");
        Serial.println(value);
    }

    void addValue(int val) {
        value += val;
        printValue();
    }

    void subtractValue(int val) {
        value -= val;
        printValue();
    }

    int getValue() const {
        return value;
    }

private:
    int value;  // Added private member variable 'value'
};

void printValues(const X& a, const X& b) {
    Serial.print("Object 'a' value: ");
    Serial.println(a.getValue());
    Serial.print("Object 'b' value: ");
    Serial.println(b.getValue());
}

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

    // Create two objects of class X
    X a(10);
    X b(20);

    // Create a vector of X objects
    std::vector<X> objects;

    // Add objects to the vector using push_back
    objects.push_back(a);
    objects.push_back(b);

    // Perform operations on the objects
    for (const X& obj : objects) {
        obj.someFunction();  // Assuming someFunction does not modify the object
    }

    // Add 5 to the value of object 'a'
    a.addValue(5);

    // Subtract 3 from the value of object 'b'
    b.subtractValue(3);

    // Print updated values
    Serial.println("After operations:");
    printValues(a, b);
}

void loop() {
    // Your main code here
}