#include <iostream>
#include <vector>


class Counter {
private:
    int count;
public:
    Counter() : count(0) {}  // Constructor initializes count to 0
    void exec() {
        count++;
    }
    int getCount() const {
        return count;
    }
};
class Counter_IF {
private:
    Counter counterInstance;  // Instance of Counter
public:
    void exec() {
        counterInstance.exec();  // Call exec on the Counter instance
    }
    int getCount() const {
        return counterInstance.getCount();  // Retrieve count from the Counter instance
    }
};

void printCounters(const std::vector<Counter_IF>& counters)
{
    std::cout << "---\n";
    for (std::size_t i = 0; i < counters.size(); i++) {
        std::cout << "Counter " << i << " count: " << counters[i].getCount() << std::endl;
    }
}

// Type your code here, or load an example.
int main() {
    std::vector<Counter_IF> counters;

    // five counters to play with
    counters.resize(5);
    
    // Call exec on some of the counters
    counters[0].exec();
    counters[1].exec();
    counters[1].exec();
    counters[2].exec();
    counters[2].exec();
    counters[2].exec();
    // Display the counts of all counters
    printCounters(counters);

    // create three new ones
    counters.clear(); // destructs current counters
    counters.resize(3); // creates new ones into the same memory

    // Call exec on some of the counters
    counters[0].exec();
    counters[0].exec();
    counters[2].exec();

    // Display the counts of all counters
    printCounters(counters);

    return 0;
}