#include <iostream>
using namespace std;

// Define LED class here

class LED{

    private:
        int pin;
        int state;

    public:
        LED(int p): pin(p), state(0){}

        void on(){
            state = 1;
        }
        void off(){
            state = 0;
        }
        void toggle(){
            state ^= 1;
        }
        int status(){
            return state;
        }
};

int main() {
    int pin, initialState, toggleCount;
    cin >> pin >> initialState >> toggleCount;

    LED led(pin);

    if (initialState == 1)
        led.on();
    else
        led.off();

    for (int i = 0; i < toggleCount; i++) {
        led.toggle();
    }

    cout << led.status();
    return 0;
}

Solving Approach

 

 

 

 

 

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Input

5 1 3

Expected Output

0