#include <iostream>
#include <cstdlib>
#include <time.h>
#include <windows.h>
#include <string>
#include <stdio.h>
#include <conio.h>
#include <math.h>
using namespace std;


void loosemusic()
   {
    Beep (131,500);
    Beep (123,500);
    Beep (110,500);
    Beep (104,1000);

   }



void winmusic()
   {
       int gama[6];

   gama[0]=262;
   gama[1]=294;
   gama[2]=330;
   gama[3]=349;
   gama[4]=392;
   gama[5]=440;
   gama[6]=494;

    Beep(gama[0],200);
    Beep(gama[0],200);
    Beep(gama[2],200);
    Beep(gama[4],400);
    Beep(gama[2],200);
    Beep(gama[4],800);

   }

int main() {
    int i,E=1,l=1,pot,w1=0,w2=0,wo1=0,wo2=0,m,u,length,maxlength,note;
    float rounds;
    unsigned long long n,n1,n2,R,q;
   string name1;
   string name2;





   for(E; E<2; E)
   {




    cout << "Press 1 for player Vs Pc mode, press 2 for two players mode, press 3 to learn how does Collatz Conjecture work:"<<endl<<endl<<endl;
    cin >>m;

    if (m==3)
    {
        cout<<"Program takes your number then, checks is it even or odd. If it's even it divides it by 2, if it is odd it multiply it by 3 and add 1. It does that until it reaches 1."<<endl<<endl<<endl;;
        cout<<"For example, you chose number 5."<<endl;
        cout<<"5-odd so   5*3+1=16 "<<endl;
        cout<<"16-even so 16/2=8"<<endl;
        cout<<"8-even so  8/2=4"<<endl;
        cout<<"4-even so  4/2=2"<<endl;
        cout<<"2-even so  2/2=1"<<endl<<endl;
        cout<<"the more ''steps'' until it reach 1 the bigger score you'll have"<<endl<<endl<<endl;
        cout << "Press 1 for player Vs Pc mode, press 2 for two players mode, press 3 to learn how does Collatz Conjecture work:"<<endl;
        cin >>m;
    }


    if (m==1){

          //  for(E; E<2; E)
          //  {

                w1=0;
                w2=0;



    cout << "Enter any integer between 0 and 18*10^18 (18 and 18 zeros) "<<endl;
    cin >> n;


    while (n > 1)
    {

    if ( n%2 == 0)
{


        n=n/2;
        cout << n << endl;
        w1=w1+1;

        Sleep(20);
    }
    else {
        n=3*n+1;
        cout << n << endl;
        w1=w1+1;
        Sleep(20);
        }
        }



            cout << "You scored ";
            cout << w1;
            cout << " points!"<<endl;



        cout << "Pc is picking integer..."<< endl;
        Sleep(3000);
        srand(time(NULL));
        pot =rand()%4+1;
        u=rand()%30+1;
        q=pow(u, pot);

        R=((rand()%100+1)*q*(rand()%50+1));
        cout << "He picked:"<< endl;
        cout << R << endl;
        Sleep(3000);
        while (R > 1)
    {
    if ( R%2 == 0) {
        R=R/2;
        cout << R << endl;
        w2=w2+1;
        Sleep(20);

    }
    else {
        R=3*R+1;
        cout << R << endl;
          w2=w2+1;
          Sleep(20);
        }
        }


            cout << "Computer scored " ;
            cout << w2;
            cout <<" points!"<<endl;



        if(w1<w2)
        {
            cout << "YOU LOST..."<<endl<<endl;
            loosemusic();

        }
        else
        {
            cout << "YOU WIN!!! :D"<<endl<<endl;
            winmusic();
        }

        cout<<"Press 1 to play again, press 2 to exit:"<<endl;

        cin>> E;
         //   }

}


if (m==2)
{

     cout<< "Enter maximum number of rounds you want to play:"<< endl;
     cin>>rounds;
     cout << "Enter your name Player 1:" << endl;
     cin>> name1;
     cout << "Enter your name Player 2:" << endl;
     cin>> name2;
    for(int dumb=0; dumb<1; dumb)
        {
     cout <<"Enter maximum numbers of digits for your numbers (cannot be bigger than 18)"<<endl;
     cin>>maxlength;

    if(maxlength<19 && maxlength>0)
       dumb++;
       else
        cout<<"Learn to read, it's useful ability ;)"<<endl;
        }

    cout << "LETS GET READY TO RUMBLE!!" << endl<<endl;
    l=1;
    wo1=0;
    wo2=0;
    Sleep(3000);



for(l; l<=rounds+1; l){

        if(wo1<=rounds/2 && wo2<=rounds/2)
        {

        w1=0;
        w2=0;

for (int dumb=0; dumb<1; dumb){
        cout << "Enter any integer with max. ";
        cout<< maxlength;
        cout << " digits ";
        cout << name1;
        cout<< ":"<<endl;
        cin >> n1;
        n=n1;

    length = 1;
    while ( n1 /= 10 )
    length++;

    if(length<=maxlength)
    {
       dumb++;
    }
    else
    {


    cout<<"Try to read... It won't hurt you ;)"<<endl<<endl;
    Sleep(1000);
    }

}

    while (n > 1)
    {
    if ( n%2 == 0)
        {
        n=n/2;
        cout << n << endl;
        w1=w1+1;
        Sleep(20);
    }
    else {
        n=3*n+1;
        cout << n << endl;
        w1=w1+1;
        Sleep(20);
        }
        }


            cout << name1;
            cout << " Scored ";
            cout << w1;
            cout << " points!"<<endl<<endl;




        for (int dumb=0; dumb<1; dumb){
        cout << "Enter any integer with max. ";
        cout<< maxlength;
        cout << " digits ";
        cout << name2;
        cout<< ":"<<endl;
        cin >> n1;
        n2=n1;

    length = 1;
    while ( n1 /= 10 )
    length++;

    if(length<=maxlength)
    {
       dumb++;
    }
    else
    {


    cout<<"Try to read... It won't hurt you ;)"<<endl<<endl;
    Sleep(1000);
    }

}


    while (n2 > 1)
    {
    if ( n2%2 == 0)
        {
        n2=n2/2;
        cout << n2 << endl;
        w2=w2+1;
        Sleep(20);
    }
    else {
        n2=3*n2+1;
        cout << n2 << endl;
        w2=w2+1;
        Sleep(20);
        }
        }



            cout << name2;
            cout << " Scored ";
            cout << w2;
            cout << " points!"<<endl<<endl;

        Sleep (2000);

        if(w1!=w2)
        {



        if(w1>w2)
        {
            cout<<name1;
            wo1++;
        }

        else
        {
            cout<<name2;
            wo2++;
        }

            cout<<" is the winner of the ";
            cout<<l;
            if(l==1)
                cout<< "st ";

            if(l==2)
                cout<< "nd ";

            if (l==3)
                cout<< "rd ";

            if (l>3)
                cout<< "th ";

            cout<<"round!"<<endl<<endl;

            l++;



        }

        else
        {
            cout<<"It's a draw!"<<endl;
        }

        Sleep(1000);

            cout<<name1;
            cout<<"'s score: ";
            cout<<wo1<<endl<<endl;

            cout<<name2;
            cout<<"'s score: ";
            cout<<wo2<<endl<<endl;

        }

        else
        {
            if(wo1>wo2)
            {
                cout<<name1;
                cout<< " IS THE WINNER OF THE GAME!!"<<endl<<endl;
                 winmusic();
            }
            else
            {
                cout<<name2;
                cout<< " IS THE WINNER OF THE GAME!!"<<endl<<endl;
                 winmusic();
            }


             cout<<"Do you want to play again? Press 1 if you want to play, press 2 if you want to exit:"<<endl<<endl;
             cin>>E;
             l++;

           /*
            cout<< name1;
            cout<<" ";
            cout<<wo1;
            cout<<":";
            cout<<wo2;
            cout<<" ";
            cout<< name2 <<endl;
            */


        }
        if(wo1*2==rounds && wo2*2==rounds )
        {


        cout<<"You've reached the limit of rounds... It' s a DRAW!!"<<endl;
        cout<<"Do you want to play again? Press 1 if you want to play, press 2 if you want to exit:"<<endl<<endl;
        cin>>E;
        l++;
        }
  }
}
   }

cout<<"Dziaba"<<endl<<endl;
Sleep(500);

cout<<"Dziaba"<<endl<<endl;
Sleep(500);

cout<<"Dziaba"<<endl<<endl;
Sleep(500);


if(E==1){
getch();
}
    return 0;
}