Print the odd/even number through multiple thread.

// Example program
#include <iostream>
#include<thread>
#include<mutex>
#include<condition_variable>
#include<chrono>
using namespace std;
std::mutex m;
std::condition_variable cv1,cv2;

void evenDisplay()
{
    std::unique_lock<mutex> lck(m);
    for(int i=0;i<50;i++)
    {
        if((i & 1)==0)
        {
            cout<<"even Thread:"<<i<<endl;
            cv1.wait(lck);
        }
        cv2.notify_one();
    }
}

void oddDisplay()
{
    std::unique_lock<mutex> lck(m);
    for(int i=0;i<50;i++)
    {
        if((i & 1)==1)
        {
            cout<<"odd Thread:"<<i<<endl;
            cv2.wait(lck);
        }
        cv1.notify_one();
    }
}

int main()
{
    thread t1(evenDisplay);
    std::this_thread::sleep_for(std::chrono::milliseconds(1));
    thread t2(oddDisplay);
    t1.join();
    t2.join();
    
}