#include <iostream>
#include <thread>
#include <mutex>
#include <memory>
#include <atomic>
#include <functional>
#include <boost/lockfree/queue.hpp>
#include <array>



// #include "lockfreequeue.h"

using std::endl; using std::cerr;
using std::cout ; using std::cin;
using std::mutex; using std::atomic;
using std::array; using std::function;
using std::pair;  using std::thread;

template <int NN> using guardedArray =  array<pair<atomic<uint8_t>,function<void()>>, NN> ;

template <typename T> using lockfreequeue = boost::lockfree::queue<T,boost::lockfree::capacity<1000>>;




mutex mm;

class Functor{
    int myNN;
public:
    Functor(int nn):myNN(nn){};
    Functor(function<void()> ff) : myff(ff){};
    function<void()> myff;
    Functor(const Functor&) = default;
    Functor operator=(const Functor&) ;
    ~Functor() = default;
    void operator()(){
	myff();

    }
};



template <int NN > class GuardedArray{

    bool endFlag;
    guardedArray<NN> myGuardedArray;
public:
    GuardedArray():garbageCollectorThread(&GuardedArray::garbageCollectorFunction,this),endFlag(false){       };

    ~GuardedArray(){ endFlag = true;  garbageCollectorThread.join();  };

    void markDone(int ii ){ myGuardedArray[ii].first.store(2) ;};
    int insertObject(function<void()> ff){
	int kk ;
	uint8_t empty ;

	do{
	    kk = rand () % NN;
	    empty = myGuardedArray[kk].first.load();

	    cout << "spining ... " << endl;


	}while(!((empty == 0 ) && (atomic_compare_exchange_weak(&myGuardedArray[kk].first,&empty,uint8_t(1)))));
	myGuardedArray[kk].second = ff;
	return kk;
    };
    function<void()> getIndex(int ii){return myGuardedArray[ii].second  ; };
    thread garbageCollectorThread;
    void garbageCollectorFunction(){
	while(!endFlag){
	    for (int ii = 0 ; ii < NN ; ++ii){
		if(myGuardedArray[ii].first == 2){
		    myGuardedArray[ii].second = function<void()>();
		    myGuardedArray[ii].first.store(0);
		}
	    }
	}
    };


};

template <int NN > class ThreadPool{

private:
    thread tt[NN];
    GuardedArray<1000> myGA;
    bool endFlag;
public:
    ThreadPool():endFlag(false){

	for(int ii = 0 ; ii < NN ; ++ii){
	    thread localThread(&ThreadPool<NN>:: threadLoop, this);
	    tt[ii].swap(localThread);

	}

    };
    void bookTask(function<void()> ff){
	int ii = myGA.insertObject(ff);
	mySync.push(ii);
    };

    bool demandedAccess[NN];
    int waitingProcess;
    ~ThreadPool() {endFlag = true; for (int ii = 0 ; ii < NN ; ii++  ){  tt[ii].join();}   };
    int myWrapper();
    void threadLoop();
    lockfreequeue<int> mySync;

};

template <int NN> void ThreadPool<NN>::threadLoop(){
    thread::id kk  = std::this_thread::get_id();
    function<void()> fun ;
    int ff;
    while(!endFlag){

	if(!mySync.empty()){

	    bool result = mySync.pop(ff);
	    if(result){
		fun = myGA.getIndex(ff);
		fun();
		myGA.markDone(ff);
	    }

	}
    }
}


uint64_t factorial(uint64_t x ) {
    if (x == 0 )
	return 1;
    else return x * factorial(x-1);

}


void print_factorial(int x){
    cout << factorial(x) << endl;
}

int main(int argc, char** argv){

    ThreadPool<6> tp;
    // Functor ff(( [](){ cout <<"a kuku  "<<endl;  }));



    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,10) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,16) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,16) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,10) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,16) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,16) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,15) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,10) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,16) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,0) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,1) );
    tp.bookTask(std::bind(print_factorial,7) );
    tp.bookTask(std::bind(print_factorial,8) );
    tp.bookTask(std::bind(print_factorial,9) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,5) );
    tp.bookTask(std::bind(print_factorial,6) );
    tp.bookTask(std::bind(print_factorial,3) );
    tp.bookTask(std::bind(print_factorial,5) );




    // tp.bookTask(print_factorial,5);
    // tp.bookTask(print_factorial,5);
    // tp.bookTask(print_factorial,5);
    // tp.bookTask(print_factorial,5);
    // tp.bookTask(print_factorial,5);



    std::this_thread::sleep_for(std::chrono::seconds(10));

    return 0 ;
}