#include <iostream>
#include <thread>
#include <mutex>
#include <atomic>
#include <vector>


using namespace std ;

// An atomic counter
atomic<int> atomic_counter(0);

// A non-atomic counter for comparison
int non_atomic_counter = 0;

void increment_atomic_counter()
{
    for (int i1 = 0; i1 < 100000; ++i1)
    {
        atomic_counter++; // Atomic increment
    }
}


void increment_non_atomic_counter()
{
    mutex mutexObj ;
    for (int i1 = 0; i1 < 100000; ++i1)
    {
		mutexObj.lock() ;
        non_atomic_counter++; // Non-atomic increment
        mutexObj.unlock() ;
    }
}

int main() {
    vector<thread> threads;

    // Test with atomic counter
    cout << "Testing atomic counter..." << endl;
    for (int i = 0; i < 10; ++i) {
        threads.push_back(thread(increment_atomic_counter));
    }

    for (auto& t : threads) {
        t.join();
    }
    cout << "Atomic counter final value: " << atomic_counter << endl; // Expected: 10 * 100000 = 1000000

    // Reset and test with non-atomic counter
    threads.clear();
    cout << "\nTesting non-atomic counter..." << endl;
    for (int i = 0; i < 10; ++i) {
        threads.push_back(thread(increment_non_atomic_counter));
    }

    for (auto& t : threads) {
        t.join();
    }
    cout << "Non-atomic counter final value: " << non_atomic_counter << endl; // Likely less than 1000000 due to race conditions

    return 0;
}