Untitled

using namespace std;

enum machineState{
    sC,
    sA,
    sB,
    sD,
};


class Machine{
private:
    machineState currentState;
    int value{};
public:
    Machine(){
        currentState = sC;
        value = 80;
    }
    bool metodaX(){
        if(currentState == sC || currentState == sB){
            currentState = sA;
            return true;
        }
        return false;
    }

    bool metodaY(){
        if(currentState == sD || currentState == sB){
            currentState = sC;
            value = 80;
            return true;
        }
        return false;
    }

    bool metodaZ(){
        if(currentState == sA){
            currentState = sB;
            value = 0;
            return true;
        }
        return false;
    }
    bool metodaW(){
        if(currentState == sA){
            currentState = sD;
            value = 0;
            return true;
        }
        return false;
    }

    bool plus(){
        if(currentState == sA && value + KORAK <= MAX_V){
            value = value + KORAK;
            return true;
        }
        return false;
    }
    bool minus(){
        if(currentState == sA && value - KORAK >= MIN_V ){
            value = value - KORAK;
            return true;
        }
        return false;
    }

    machineState getCurrentState()const{
        return currentState;
    }

    int getValue() const{
        return value;
    }
};