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

using namespace std ;

mutex GMutex ;
int shared_data = 0; // Shared resource

void increment_shared_data()
{
    for (int i1 = 1; i1 <= 100; ++i1 )
    {
        //TO DO Fix the issue Hint: use mutex
        GMutex.lock() ;
        int temp = shared_data ;
        cout << "Value of shared_data:" << shared_data << " :i1" <<
          i1 <<  endl ;
        shared_data = temp + 1 ;
        GMutex.unlock() ;
    }
}

int main()
{
    vector<thread> threads;

    // Create multiple threads that will concurrently modify shared_data
    for (int i = 0; i < 5; ++i) {
        threads.push_back( thread(increment_shared_data) );
    }

    // Join all threads to wait for their completion
    for (thread& t : threads) {
        t.join();
    }

    cout << "Final value of shared_data: " << shared_data << endl;

    return 0;
}