SensorConfig Initialization

#include <iostream>
using namespace std;

// Define SensorConfig class here
class SensorConfig{
    int id;
    int offset;
    int lastValue;

    public:
    SensorConfig(int Id, int cal){
        id = Id;
        offset = cal;
        lastValue = 0;
    }

    void update(int raw){
        lastValue = raw + offset;
    }

    int read(){
        return lastValue;
    }
};

int main() {
    int id, offset;
    cin >> id >> offset;

    SensorConfig cfg(id, offset);  // must use parameterized constructor

    int r1, r2;
    cin >> r1 >> r2;

    cfg.update(r1);
    cfg.update(r2);

    cout << cfg.read();
    return 0;
}