GAMING~1.CPP

#include<fstream.h>
#include<conio.h>
#include<string.h>
#include<ctype.h>
#include<dos.h>
#include<iomanip.h>
#include<stdlib.h>

struct game
{
	int pos[4];
	char tictoe[10];
};

void snake();
void tictactoe();

void game_choose()
{
     clrscr();
     int i,j;
     char ch='a';  //any value except 1,2,0
     for(i=1,j=4;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=38,j=4;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=1,j=4;i<=38;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    for(i=1,j=25;i<=38;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    gotoxy(38,25);cout<<(char)188;
    gotoxy(38,4);cout<<(char)187;
    gotoxy(1,25);cout<<(char)200;
    gotoxy(1,4);cout<<(char)201;


    for(i=42,j=4;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=79,j=4;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=42,j=4;i<=79;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    for(i=42,j=25;i<=79;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    gotoxy(79,25);cout<<(char)188;
    gotoxy(79,4);cout<<(char)187;
    gotoxy(42,25);cout<<(char)200;
    gotoxy(42,4);cout<<(char)201;

    gotoxy(3,5);cout<<"   ÚÄÄÄÄ ÚÄ¿ ³ ÚÄÄÄ¿ ³    / ÚÄÄÄ";
    gotoxy(3,6);cout<<"   ³     ³ ³ ³ ³   ³ ³  /   ³   ";
    gotoxy(3,7);cout<<"   ÀÄÄÄ¿ ³ ³ ³ ÃÄÄÄ´ ³<     ÃÄÄÄ";
    gotoxy(3,8);cout<<"       ³ ³ ³ ³ ³   ³ ³  \\    ³   ";
    gotoxy(2,9); cout<<"  ÄÄÄÄÙ ³ ÀÄÙ ³   ³ ³    \\   ÀÄÄÄ";
    gotoxy(2,10);cout<<"$           #      0";
    gotoxy(2,11);cout<<"$           x      0";
    gotoxy(2,12);cout<<"$                  0";
    gotoxy(2,13);cout<<"$                  0";
    gotoxy(2,14);cout<<"$                  0";
    gotoxy(5,15);cout<<"                0  ";
    gotoxy(2,16);cout<<"******             0      x*********";
    gotoxy(5,17);cout<<"                x";
    gotoxy(5,18);cout<<"         #";
    gotoxy(5,19);cout<<"         #";
    gotoxy(5,20);cout<<"         #";
    gotoxy(5,21);cout<<"         #";
    gotoxy(5,22);cout<<"         #      0     ";
    gotoxy(5,23);cout<<"         #      0     ";
    gotoxy(2,24);cout<<"<<<<        #      0      x<<<<<<<<<";


    gotoxy(44,5);cout<<"ÄÂÄ0ÚÄÄÄ  ÄÂÄÚÄÄ¿ÚÄÄÄ  ÄÂÄÚÄÄ¿ÚÄÄÄ";
    gotoxy(44,6);cout<<" ³ ³³      ³ ³__³³      ³ ³  ³³___";
    gotoxy(44,7);cout<<" ³ ³³      ³ ³  ³³      ³ ³  ³³   ";
    gotoxy(44,8);cout<<" ³ ³³      ³ ³  ³³      ³ ³  ³³   ";
    gotoxy(44,8);cout<<" ³ ³ÀÄÄ    ³ ³  ³ÀÄÄÙ   ³ ÀÄÄÙÀÄÄÄ";

    gotoxy(47,10);cout<<" X ³ O ³   ";
    gotoxy(47,11);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ";
    gotoxy(47,12);cout<<" X ³   ³ O ";
    gotoxy(47,13);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ     X ³ O ³ X ";
    gotoxy(47,14);cout<<"   ³ O ³       ÄÄÄÅÄÄÄÅÄÄÄ";
    gotoxy(47,15);cout<<"                X ³   ³ O ";
    gotoxy(47,16);cout<<"               ÄÄÄÅÄÄÄÅÄÄÄ";
    gotoxy(47,17);cout<<"                O ³ O ³ X ";
    gotoxy(47,18);cout<<"    O ³   ³		    ";
    gotoxy(47,19);cout<<"   ÄÄÄÅÄÄÄÅÄÄÄ		    ";
    gotoxy(47,20);cout<<"    O ³ X ³ O        O ³ X ³   ";
    gotoxy(47,21);cout<<"   ÄÄÄÅÄÄÄÅÄÄÄ      ÄÄÄÅÄÄÄÅÄÄÄ";
    gotoxy(47,22);cout<<"      ³ X ³ O          ³   ³ O ";
    gotoxy(47,23);cout<<"                    ÄÄÄÅÄÄÄÅÄÄÄ";
    gotoxy(47,24);cout<<"                     X ³ O ³   ";

    gotoxy(12,3);cout<<"1. RATTLE SNAKE";
    gotoxy(55,3);cout<<"2. TIC TAC TOE";
    gotoxy(74,1);cout<<"<0>EXIT";
    while(ch!='1'&&ch!='2'&&ch!='0')
    {
	 if(kbhit())
	 {
	     ch=getch();
	 }
    }
    if(ch=='1')
	 snake();
    if(ch=='2')
	 tictactoe();
    if(ch=='0')
	 exit(0);

    getch();
}

//////////////////////////////////////////////////////////////////////////////////////

char all_places_fill(game t)//checks if user has filled all the places of tictactoe
{
	int i;
	for(i=0;i<9;i++)
	{
		if(t.tictoe[i]=='1')
			return('n');
	}
	return('y');
}
char is_pos_repeate(int op,game t)
{
	if(t.tictoe[op-1]=='1')
		return('n');
	return('y');
}
game position_teller(int op)//returns the equivalent cursor position of int op(variable passed to it)
{
	game position;
	position.pos[1]=0;
	if(op==1)
	{
		position.pos[0]=31;
		position.pos[2]=10;
		return(position);
	}
	if(op==2)
	{
		position.pos[0]=35;
		position.pos[2]=10;
		return(position);
	}
	if(op==3)
	{
		position.pos[0]=39;
		position.pos[2]=10;
		return(position);
	}
	if(op==4)
	{
		position.pos[0]=31;
		position.pos[2]=12;
		return(position);
	}
	if(op==5)
	{
		position.pos[0]=35;
		position.pos[2]=12;
		return(position);
	}
	if(op==6)
	{
		position.pos[0]=39;
		position.pos[2]=12;
		return(position);
	}
	if(op==7)
	{
		position.pos[0]=31;
		position.pos[2]=14;
		return(position);
	}
	if(op==8)
	{
		position.pos[0]=35;
		position.pos[2]=14;
		return(position);
	}
	if(op==9)
	{
		position.pos[0]=39;
		position.pos[2]=14;
		return(position);
	}
	position.pos[1]='-1';
	return(position);
}

char result(game &t)//checks the result of the match
{
	if(t.tictoe[0]=='o'&&t.tictoe[1]=='o'&&t.tictoe[2]=='o')
	{
		gotoxy(31,10);cout<<"O";
		gotoxy(35,10);cout<<"O";
		gotoxy(39,10);cout<<"O";
		return ('o');
	}
	if(t.tictoe[3]=='o'&&t.tictoe[4]=='o'&&t.tictoe[5]=='o')
	{
		gotoxy(31,12);cout<<"O";
		gotoxy(35,12);cout<<"O";
		gotoxy(39,12);cout<<"O";
		return ('o');
	}
	if(t.tictoe[6]=='o'&&t.tictoe[7]=='o'&&t.tictoe[8]=='o')
	{
		gotoxy(31,14);cout<<"O";
		gotoxy(35,14);cout<<"O";
		gotoxy(39,14);cout<<"O";
		return ('o');
	}
	if(t.tictoe[0]=='o'&&t.tictoe[3]=='o'&&t.tictoe[6]=='o')
	{
		gotoxy(31,10);cout<<"O";
		gotoxy(31,12);cout<<"O";
		gotoxy(31,14);cout<<"O";
		return ('o');
	}
	if(t.tictoe[1]=='o'&&t.tictoe[4]=='o'&&t.tictoe[7]=='o')
	{
		gotoxy(35,10);cout<<"O";
		gotoxy(35,12);cout<<"O";
		gotoxy(35,14);cout<<"O";
		return ('o');
	}
	if(t.tictoe[2]=='o'&&t.tictoe[5]=='o'&&t.tictoe[8]=='o')
	{
		gotoxy(39,10);cout<<"O";
		gotoxy(39,12);cout<<"O";
		gotoxy(39,14);cout<<"O";
		return ('o');
	}
	if(t.tictoe[0]=='o'&&t.tictoe[4]=='o'&&t.tictoe[8]=='o')
	{
		gotoxy(31,10);cout<<"O";
		gotoxy(35,12);cout<<"O";
		gotoxy(39,14);cout<<"O";
		return ('o');
	}
	if(t.tictoe[2]=='o'&&t.tictoe[4]=='o'&&t.tictoe[6]=='o')
	{
		gotoxy(39,10);cout<<"O";
		gotoxy(35,12);cout<<"O";
		gotoxy(31,14);cout<<"O";
		return ('o');
	}

	if(t.tictoe[0]=='x'&&t.tictoe[1]=='x'&&t.tictoe[2]=='x')
	{
		gotoxy(31,10);cout<<"X";
		gotoxy(35,10);cout<<"X";
		gotoxy(39,10);cout<<"X";
		return ('x');
	}
	if(t.tictoe[3]=='x'&&t.tictoe[4]=='x'&&t.tictoe[5]=='x')
	{
		gotoxy(31,12);cout<<"X";
		gotoxy(35,12);cout<<"X";
		gotoxy(39,12);cout<<"X";
		return ('x');
	}
	if(t.tictoe[6]=='x'&&t.tictoe[7]=='x'&&t.tictoe[8]=='x')
	{
		gotoxy(31,14);cout<<"X";
		gotoxy(35,14);cout<<"X";
		gotoxy(39,14);cout<<"X";
		return ('x');
	}
	if(t.tictoe[0]=='x'&&t.tictoe[3]=='x'&&t.tictoe[6]=='x')
	{
		gotoxy(31,10);cout<<"X";
		gotoxy(31,12);cout<<"X";
		gotoxy(31,14);cout<<"X";
		return ('x');
	}
	if(t.tictoe[1]=='x'&&t.tictoe[4]=='x'&&t.tictoe[7]=='x')
	{
		gotoxy(35,10);cout<<"X";
		gotoxy(35,12);cout<<"X";
		gotoxy(35,14);cout<<"X";
		return ('x');
	}
	if(t.tictoe[2]=='x'&&t.tictoe[5]=='x'&&t.tictoe[8]=='x')
	{
		gotoxy(39,10);cout<<"X";
		gotoxy(39,12);cout<<"X";
		gotoxy(39,14);cout<<"X";
		return ('x');
	}
	if(t.tictoe[0]=='x'&&t.tictoe[4]=='x'&&t.tictoe[8]=='x')
	{
		gotoxy(31,10);cout<<"X";
		gotoxy(35,12);cout<<"X";
		gotoxy(39,14);cout<<"X";
		return ('x');
	}
	if(t.tictoe[2]=='x'&&t.tictoe[4]=='x'&&t.tictoe[6]=='x')
	{
		gotoxy(39,10);cout<<"X";
		gotoxy(35,12);cout<<"X";
		gotoxy(31,14);cout<<"X";
		return ('x');
	}

	return ('d');
}

void comp_turn(game &t,int conscutiv_game,char comp,int &chance)
{
    int i;
    char player;
    delay(300);
    game pos;
	if(comp=='x')
	    player='o';
	else
	    player='x';
    if(chance==1)
    {
	if(conscutiv_game%2==0)
	{
	    if(t.tictoe[0]=='1')
	    {
		t.tictoe[0]=comp;
		gotoxy(31,10);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(conscutiv_game%3==0)
	{
	    if(t.tictoe[8]=='1')
	    {
		t.tictoe[8]=comp;
		gotoxy(39,14);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[6]!='1')
	{
	    if(t.tictoe[6]=='1')
	    {
		t.tictoe[6]=comp;
		gotoxy(31,14);
		cout<<comp;
		chance++;
		return;
	    }
	}
    }
    if(chance==3)
    {
	if(player!=t.tictoe[6])
	{
	    if(t.tictoe[6]=='1')
	    {
		t.tictoe[6]=comp;
		gotoxy(31,14);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[2]=='1')
	{
	    t.tictoe[2]=comp;
	    gotoxy(39,10);
	    cout<<comp;
	    chance++;
	}
	return;
    }
    if(chance==2)
    {
	if(t.tictoe[4]=='1')
	{
	    t.tictoe[4]=comp;
	    gotoxy(35,12);
	    cout<<comp;
	    chance++;
	    return;
	}
	if(t.tictoe[2]=='1')
	{
	    t.tictoe[2]=comp;
	    gotoxy(39,10);
	    cout<<comp;
	    chance++;
	    return;
	}
    }
    if(chance==5)
    {
	if(player!=t.tictoe[6])
	{
	    if(t.tictoe[6]!='1')
	    {
		if(t.tictoe[8]==player)
		{
		    t.tictoe[2]=comp;
		    gotoxy(39,10);
		    cout<<comp;
		    chance++;
		    return;
		}
		if(t.tictoe[2]==player)
		{
		    t.tictoe[8]=comp;
		    gotoxy(39,14);
		    cout<<comp;
		    chance++;
		    return;
		}
		if(t.tictoe[4]=='1')
		{
		    t.tictoe[4]=comp;
		    gotoxy(35,12);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	}
	if(t.tictoe[8]=='1')
	{
	    t.tictoe[8]=comp;
	    gotoxy(39,14);
	    cout<<comp;
	    chance++;
	    return;
	}
    }//(chance==5) ends
    for(i=0;i<2;i++)
    {
	if(t.tictoe[i]==t.tictoe[i+3]&&t.tictoe[i]==comp)
	{
	    if(t.tictoe[i+6]=='1')
		{
		    t.tictoe[i+6]=comp;
		    pos=position_teller(i+6+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
	if(t.tictoe[i+3]==t.tictoe[i+6]&&t.tictoe[i+3]==comp)
	{
	    if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
	if(t.tictoe[i]==t.tictoe[i+6]&&t.tictoe[i]==comp)
	{
	    if(t.tictoe[i+3]=='1')
		{
		    t.tictoe[i+3]=comp;
		    pos=position_teller(i+3+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
    }
    for(i=0;i<6;i=i+3)
    {
	if(t.tictoe[i]==t.tictoe[i+1]&&t.tictoe[i]==comp)
	{
	    if(t.tictoe[i+2]=='1')
		{   t.tictoe[i+2]=comp;
		    pos=position_teller(i+2+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
	if(t.tictoe[i+1]==t.tictoe[i+2]&&t.tictoe[i+1]==comp)
	{
	    if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
	if(t.tictoe[i]==t.tictoe[i+2]&&t.tictoe[i]==comp)
	{
	    if(t.tictoe[i+1]=='1')
		{
		    t.tictoe[i+1]=comp;
		    pos=position_teller(i+1+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	}
    }
    for(i=0;i<=2;i=i+2)
    {
	if(i==0)
	{
	    if(t.tictoe[i]==t.tictoe[i+4]&&t.tictoe[i]==comp)
	    {
		if(t.tictoe[i+8]=='1')
		{
		    t.tictoe[i+8]=comp;
		    pos=position_teller(i+8+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i]==t.tictoe[i+8]&&t.tictoe[i]==comp)
	    {
		if(t.tictoe[i+4]=='1')
		{
		    t.tictoe[i+4]=comp;
		    pos=position_teller(i+4+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i+4]==t.tictoe[i+8]&&t.tictoe[i+8]==comp)
	    {
		if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	}
	if(i==2)
	{
	    if(t.tictoe[i]==t.tictoe[i+2]&&t.tictoe[i]==comp)
	    {
		if(t.tictoe[i+4]=='1')
		{
		    t.tictoe[i+4]=comp;
		    pos=position_teller(i+4+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i]==t.tictoe[i+4]&&t.tictoe[i]==comp)
	    {
		if(t.tictoe[i+2]=='1')
		{
		    t.tictoe[i+2]=comp;
		    pos=position_teller(i+2+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i+2]==t.tictoe[i+4]&&t.tictoe[i+2]==comp)
	    {
		if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }

	}
    }//uptill here priority is to winning
    if(chance==4)
    {
	if(t.tictoe[6]!='1')
	{
	    if(t.tictoe[0]=='1')
	    {
		t.tictoe[0]=comp;
		gotoxy(31,10);
		cout<<comp;
		chance++;
		return;
	    }
	}
    }
    for(i=0;i<2;i++)
    {
	if(t.tictoe[i]==t.tictoe[i+3])
	{
	    if(t.tictoe[i+6]=='1')
	    {
		t.tictoe[i+6]=comp;
		pos=position_teller(i+6+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[i+3]==t.tictoe[i+6])
	{
	    if(t.tictoe[i]=='1')
	    {
		t.tictoe[i]=comp;
		pos=position_teller(i+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[i]==t.tictoe[i+6])
	{
	    if(t.tictoe[i+3]=='1')
	    {
		t.tictoe[i+3]=comp;
		pos=position_teller(i+3+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
    }
    for(i=0;i<6;i=i+3)
    {
	if(t.tictoe[i]==t.tictoe[i+1])
	{
	    if(t.tictoe[i+2]=='1')
	    {
		t.tictoe[i+2]=comp;
		pos=position_teller(i+2+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[i+1]==t.tictoe[i+2])
	{
	    if(t.tictoe[i]=='1')
	    {
		t.tictoe[i]=comp;
		pos=position_teller(i+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
	if(t.tictoe[i]==t.tictoe[i+2]&&t.tictoe[i]==player)
	{
	    if(t.tictoe[i+1]=='1')
	    {
		t.tictoe[i+1]=comp;
		pos=position_teller(i+1+1);
		gotoxy(pos.pos[0],pos.pos[2]);
		cout<<comp;
		chance++;
		return;
	    }
	}
    }
    for(i=0;i<=2;i=i+2)
    {
	if(i==0)
	{
	    if(t.tictoe[i]==t.tictoe[i+4])
	    {
		if(t.tictoe[i+8]=='1')
		{
		    t.tictoe[i+8]=comp;
		    pos=position_teller(i+8+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i]==t.tictoe[i+8])
	    {
		if(t.tictoe[i+4]=='1')
		{
		    t.tictoe[i+4]=comp;
		    pos=position_teller(i+4+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i+4]==t.tictoe[i+8])
	    {
		if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	}//end of if(i==0)
	if(i==2)
	{
	    if(t.tictoe[i]==t.tictoe[i+2])
	    {
		if(t.tictoe[i+4]=='1')
		{
		    t.tictoe[i+4]=comp;
		    pos=position_teller(i+4+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i]==t.tictoe[i+4])
	    {
		if(t.tictoe[i+2]=='1')
		{
		    t.tictoe[i+2]=comp;
		    pos=position_teller(i+2+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }
	    if(t.tictoe[i+2]==t.tictoe[i+4])
	    {
		if(t.tictoe[i]=='1')
		{
		    t.tictoe[i]=comp;
		    pos=position_teller(i+1);
		    gotoxy(pos.pos[0],pos.pos[2]);
		    cout<<comp;
		    chance++;
		    return;
		}
	    }

	}//end of if(i==2)
    }

    //double trick cancellor
    if(t.tictoe[4]!='1')
    {
	for(i=0;i<=2;i=i+2)
	{
	    if(i==0)
	    {
		if(t.tictoe[i]==t.tictoe[8])
		{
		    if(t.tictoe[7]=='1')
		    {
			t.tictoe[7]=comp;
			gotoxy(35,14);
			cout<<comp;
			chance++;
			return;
		    }
		    if(t.tictoe[1]=='1')
		    {
			t.tictoe[1]=comp;
			gotoxy(35,10);
			cout<<comp;
			chance++;
			return;
		    }
		}
		if(t.tictoe[i]==t.tictoe[5])
		{
		    if(t.tictoe[2]=='1')
		    {
			t.tictoe[2]=comp;
			gotoxy(39,10);
			cout<<comp;
			chance++;
			return;
		    }
		}
		if(t.tictoe[i]==t.tictoe[7])
		{
		    if(t.tictoe[6]=='1')
		    {
			t.tictoe[6]=comp;
			gotoxy(31,14);
			cout<<comp;
			chance++;
			return;
		    }
		}
	    }
	    if(i==2)
	    {
		if(t.tictoe[i]==t.tictoe[6])
		{
		    if(t.tictoe[0]=='1')
		    {
			t.tictoe[0]=comp;
			gotoxy(31,10);
			cout<<comp;
			chance++;
			return;
		    }
		    if(t.tictoe[8]=='1')
		    {
			t.tictoe[8]=comp;
			gotoxy(39,14);
			cout<<comp;
			chance++;
			return;
		    }
		}
		if(t.tictoe[i]==t.tictoe[3])
		{
		    if(t.tictoe[0]=='1')
		    {
			t.tictoe[0]=comp;
			gotoxy(31,10);
			cout<<comp;
			chance++;
			return;
		    }
		}
		if(t.tictoe[i]==t.tictoe[7])
		{
		    if(t.tictoe[8]=='1')
		    {
			t.tictoe[8]=comp;
			gotoxy(39,14);
			cout<<comp;
			chance++;
			return;
		    }
		}
	    }
	}//for loop for double trick cancellor ends
    }//double trick cancellor ends


}//end of comp_turn()

void computer()
{
    clrscr();
    int i,sign=1,x,y,op,chance;
    static int conscutiv_game=1;
    char fill,choice,check,res,player,comp;
    game t,pos_right;
    do
    {
	strcpy(t.tictoe,"111111111");
	i=1;
	chance=1;
	pos_right.pos[1]=0;
	res='a';
	clrscr();


	cout<<"     ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»"<<endl;
	cout<<"     º  1 ³ 2 ³ 3               º INSTRUCTIONS º                 º"<<endl;
	cout<<"     º ÄÄÄÅÄÄÄÅÄÄÄ              ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ		      º"<<endl;
	cout<<"     º  4 ³ 5 ³ 6      According to the given positions          º"<<endl;
	cout<<"     º ÄÄÄÅÄÄÄÅÄÄÄ    enter the positions where you want	      º"<<endl;
	cout<<"     º  7 ³ 8 ³ 9              to place'x' or 'o'.	              º"<<endl;
	cout<<"     ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ";
	gotoxy(30,10);cout<<"   ³   ³   ";
	gotoxy(30,11);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ";
	gotoxy(30,12);cout<<"   ³   ³   ";
	gotoxy(30,13);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ";
	gotoxy(30,14);cout<<"   ³   ³   ";
	gotoxy(25,15);
	cout<<"What do you want(x/o): ";
	cin>>player;
	player=tolower(player);
	if(player!='o'&&player!='x')
		cout<<"\nWrong choice!";
	else
	{
	     if(player=='o')
		comp='x';
	     else
		comp='o';
	     while(all_places_fill(t)!='y')
	     {
		if(sign==1)
		{
		    gotoxy(1,16);
		    cout<<"Enter the position=";
		    clreol();
		    cin>>op;
		    pos_right=position_teller(op);
		    if(pos_right.pos[1]=='-1')
		    {
			cout<<"\nYou entered wrong position!";
			getch();gotoxy(1,18);clreol();
		    }
		    else
		    {
			check=is_pos_repeate(op,t);
			if(check=='y')
			{
			    cout<<"\nPosition is already occupied!";
			    getch();gotoxy(1,18);clreol();
			    continue;
			}
			x=pos_right.pos[0];
			y=pos_right.pos[2];
			gotoxy(x,y);
			cout<<player;
			t.tictoe[op-1]=player;
			sign*=-1;
			chance++;
		    }//end of inner else
		}//end of inner if
		else if(sign==-1)
		{
		    comp_turn(t,conscutiv_game,comp,chance);
		    sign*=-1;
		}
		if(i>=5)
		    res=result(t);
		if(res=='x'||res=='o')
		    break;
		i++;
	     }//end of while(game loop)
	     gotoxy(30,19);
	     if(res==comp)
		cout<<"COMPUTER wins"<<endl;
	     if(res==player)
		cout<<"HUMAN wins"<<endl;
	     if(res=='d')
		cout<<"Match is DRAW"<<endl;
	}//end of main else
	cout<<"\n\n\t\t\t  ONE MORE GAME ?(y/n): ";
	cin>>choice;
	conscutiv_game++;
	if(conscutiv_game%2==0)
	    sign=-1;
	else
	    sign=1;
    }while(choice=='y'||choice=='Y');
}//end of computer

void multiplayer()
{
    clrscr();
    int i,sign,x,y,op;
    char fill,choice,check,res,player1,player2;
    game t,pos_right;
    do
    {
	strcpy(t.tictoe,"111111111");
	i=1;sign=1;
	pos_right.pos[1]=0;
	res='a';
	clrscr();
	cout<<"   ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»"<<endl;
	cout<<"   º  1 ³ 2 ³ 3               º INSTRUCTIONS º                 º"<<endl;
	cout<<"   º ÄÄÄÅÄÄÄÅÄÄÄ              ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ		      º"<<endl;
	cout<<"   º  4 ³ 5 ³ 6      According to the given positions          º"<<endl;
	cout<<"   º ÄÄÄÅÄÄÄÅÄÄÄ    enter the positions where you want	      º"<<endl;
	cout<<"   º  7 ³ 8 ³ 9              to place'x' or 'o'.	              º"<<endl;
	cout<<"   ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ";
	gotoxy(30,10);cout<<"   ³   ³   ";
	gotoxy(30,11);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ";
	gotoxy(30,12);cout<<"   ³   ³   ";
	gotoxy(30,13);cout<<"ÄÄÄÅÄÄÄÅÄÄÄ";
	gotoxy(30,14);cout<<"   ³   ³   ";
	gotoxy(25,15);
	cout<<"What do you want(x/o): ";
	cin>>player1;
	player1=tolower(player1);
	if(player1!='o'&&player1!='x')
		cout<<"\nWrong choice!";
	else
	{
	     if(player1=='o')
		player2='x';
	     else
		player2='o';
	     while(all_places_fill(t)!='y')
	     {
		gotoxy(1,16);
		cout<<"Enter the position=";
		clreol();
		cin>>op;
		pos_right=position_teller(op);
		if(pos_right.pos[1]=='-1')
		{
		    cout<<"\nYou entered wrong position!";
		    getch();gotoxy(1,18);clreol();

		}
		else
		{
		    check=is_pos_repeate(op,t);
		    if(check=='y')
			{
			    cout<<"\nPosition is already occupied!";
			    getch();gotoxy(1,18);clreol();
			    continue;
			}
			x=pos_right.pos[0];
			y=pos_right.pos[2];
			gotoxy(x,y);
			if(sign==1)
			{
			    cout<<player1;
			    t.tictoe[op-1]=player1;
			}
			else
			{
			    cout<<player2;
			    t.tictoe[op-1]=player2;
			}
			sign=sign*-1;
		}
		if(i>=5)
		    res=result(t);
		if(res=='x'||res=='o')
		    break;
		i++;
	     }
	     gotoxy(1,19);
	     if(res=='x')
		cout<<"'X' WINS"<<endl;
	     if(res=='o')
		cout<<"'O' WINS"<<endl;
	     if(res=='d')
		cout<<"Match is DRAW"<<endl;
	}//end of main else
	cout<<"\nONE MORE GAME ?(y/n): ";
	cin>>choice;
    }while(choice=='y'||choice=='Y');

}//end of game_start()

void tictactoe_menu()
{
    clrscr();
    int op,option;
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°²°²°²°²°²°²°²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°\n";
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°² MAIN MENU ²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°\n";
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°²°²°²°²°²°²°²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°";

    cout<<"\n\n\n(1)PLAY\n(2)INSTRUCTION\n(3)QUIT";
    cout<<"\n\nEnter your option : ";
    cin>>op;
    switch(op)
    {
	case 1:clrscr();
	       cout<<"\n\n\n\n\n\t\t\t\t(1)MULTIPLAYER\n(2)CHALLENGE COMPUTER\n(3)GO BACK";
	       cout<<"\n\n\t\t\t\t\tEnter your option : ";
	       cin>>option;
	       if(option==1)
		   multiplayer();
	       if(option==2)
		   computer();
	       if(option==3)
		   break;
	       break;
	case 2:clrscr();
	       cout<<"\n\n\n\n";
	       cout<<"     ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍËÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»"<<endl;
	       cout<<"     º  1 ³ 2 ³ 3               º INSTRUCTIONS º                 º"<<endl;
	       cout<<"     º ÄÄÄÅÄÄÄÅÄÄÄ              ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ		       º"<<endl;
	       cout<<"     º  4 ³ 5 ³ 6      According to the given positions          º"<<endl;
	       cout<<"     º ÄÄÄÅÄÄÄÅÄÄÄ    enter the positions where you want	       º"<<endl;
	       cout<<"     º  7 ³ 8 ³ 9              to place'x' or 'o'.	       º"<<endl;
	       cout<<"     ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ";
	       getch();
	       break;
	case 3:game_choose();
	       break;
	default:cout<<"\nYou entered wrong choice!";
    }//end of switch()
    tictactoe_menu();
}//end of menu()

void tictactoe()
{
    clrscr();
    int i,j;
    cout<<"    _______  _  ______     _______  _____  ______     _______  _____  ______ \n";
    cout<<"   |__   __|| ||  ____|   |__   __||  _  ||  ____|   |__   __||  _  ||  ____|\n";
    cout<<"      | |   | || |           | |   | |_| || |           | |   | | | || |____ \n";
    cout<<"      | |   | || |           | |   |  _  || |           | |   | | | ||  ____|\n";
    cout<<"      | |   | || |____       | |   | | | || |____       | |   | |_| || |____ \n";
    cout<<"      |_|   |_||______|      |_|   |_| |_||______|      |_|   |_____||______|\n";
    for(i=31,j=7;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)220;
    }
    for(i=47,j=7;j<=25;j++)
    {
	gotoxy(i,j);
	cout<<(char)220;
    }
    for(i=18,j=12;i<=60;i++)
    {
	gotoxy(i,j);
	if(i%2==0)
		cout<<(char)220;
	else
		cout<<" ";
    }
    for(i=18,j=19;i<=60;i++)
    {
	gotoxy(i,j);
	if(i%2==0)
		cout<<(char)220;
	else
		cout<<" ";
    }

    gotoxy(51,7);cout<<" //---\\\\\n";
    gotoxy(51,8);cout<<"|       |\n";
    gotoxy(51,9);cout<<"|       |\n";
    gotoxy(51,10);cout<<"|       |\n";
    gotoxy(51,11);cout<<" \\\\---//\n";

    gotoxy(35,14);cout<<"=\\     /=   \n";
    gotoxy(35,15);cout<<"   \\ /     \n";
    gotoxy(35,16);cout<<"    X     \n";
    gotoxy(35,17);cout<<"   / \\    \n";
    gotoxy(35,18);cout<<"=/     \\= \n";
    gotoxy(20,7);cout<<" //---\\\\\n";
    gotoxy(20,8);cout<<"|       |\n";
    gotoxy(20,9);cout<<"|       |\n";
    gotoxy(20,10);cout<<"|       |\n";
    gotoxy(20,11);cout<<" \\\\---//\n";

    gotoxy(51,21);cout<<"=\\     /=   \n";
    gotoxy(51,22);cout<<"   \\ /     \n";
    gotoxy(51,23);cout<<"    X     \n";
    gotoxy(51,24);cout<<"   / \\    \n";
    gotoxy(51,25);cout<<"=/     \\=   ";

    gotoxy(20,21);cout<<" //---\\\\\n";
    gotoxy(20,22);cout<<"|       |\n";
    gotoxy(20,23);cout<<"|       |\n";
    gotoxy(20,24);cout<<"|       |\n";
    gotoxy(20,25);cout<<" \\\\---//";
    getch();
    tictactoe_menu();
}

/////////////////////////////////////////////////////////////////////////////////////

struct hss
{
    char body;// '*' or ' '
    int pos[2];
    int food_eaten;
};
struct coordinate
{
	int x,y;
};
void snake_menu();//prototype
void instruction(); //prototype

char coordinate_check(hss snake[],coordinate level[],int dir,int size)
{
	int i,j;
	int x,y;//exact value of border coordinates

	//checks if body interects
	x=snake[0].pos[0];
	y=snake[0].pos[1];
	for(i=1;i<size;i++)
	{
	    if(snake[i].pos[0]==x&&snake[i].pos[1]==y)
		return('y');
	}
	if(dir==1||dir==2||dir==3||dir==4)
	{
	    for(i=level[0].x,j=level[0].y;i>11&&i<=70&&j>4&&j<=22;)
	    {
		if(i==snake[0].pos[0]&&j==snake[0].pos[1])
		    return('y');
		if(dir==1)//left
		    i--;
		if(dir==3)//right
		    i++;
		if(dir==4)//up
		    j--;
		if(dir==2)//down
		    j++;
	    }
	}
	//travel through main boundaries
	for(x=11,y=4;x<=70;x++)
	{
	    if(x==snake[0].pos[0]&&snake[0].pos[1]==y)
	    {
		snake[0].pos[1]=21;
		gotoxy(x,y);
		cout<<(char)205;
	    }
	}
	for(x=11,y=22;x<=70;x++)
	{
	    if(x==snake[0].pos[0]&&snake[0].pos[1]==y)
	    {
		snake[0].pos[1]=5;
		gotoxy(x,y);
		cout<<(char)205;
	    }
	}
	for(x=11,y=4;y<=22;y++)
	{
	    if(x==snake[0].pos[0]&&snake[0].pos[1]==y)
	    {
		snake[0].pos[0]=69;
		gotoxy(x,y);
		cout<<(char)186;
	    }
	}
	for(x=70,y=4;y<=22;y++)
	{
	    if(x==snake[0].pos[0]&&snake[0].pos[1]==y)
	    {
		snake[0].pos[0]=12;
		gotoxy(x,y);
		cout<<(char)186;
	    }
	}
	return('n');
}

int level_gen(coordinate level[],int &dir)
{
    int i,j;
    randomize();
    i=level[0].x;
    j=level[0].y;
    //to erase earlier boundary
    if(dir==1||dir==2||dir==3||dir==4)
    {
	if(dir==1)//left
	{
	    for(;i>=12;i--)
	    {
		gotoxy(i,j);
		cout<<" ";
	    }
	}
	if(dir==3)//right
	{
	    for(;i<70;i++)
	    {
		gotoxy(i,j);
		cout<<" ";
	    }
	}
	if(dir==4)//up
	{
	    for(;j>=5;j--)
	    {
		gotoxy(i,j);
		cout<<" ";
	    }
	}
	if(dir==2)//down
	{
	    for(;j<22;j++)
	    {
		gotoxy(i,j);
		cout<<" ";
	    }
	}
    }
    //to create new boundary
    i=level[0].x=random(10)+36;
    j=level[0].y=random(11)+8;
    dir=random(4)+1; // 1=left   2=down   3=right   4=up
    if(dir==1)//left
    {
	for(;i>=12;i--)
	{
	    gotoxy(i,j);
	    cout<<(char)196;
	}
    }
    if(dir==3)//right
    {
	for(;i<70;i++)
	{
	    gotoxy(i,j);
	    cout<<(char)196;
	}
    }
    if(dir==4)//up
    {
	for(;j>=5;j--)
	{
	    gotoxy(i,j);
	    cout<<(char)179;
	}
    }
    if(dir==2)//down
    {
	for(;j<22;j++)
	{
	    gotoxy(i,j);
	    cout<<(char)179;
	}
    }
    delay(500);
    return(dir);

}//end of level_gen()

coordinate food_gen(hss snake[],coordinate level[],coordinate &pos,int &dir)
{
    randomize();
    int i;
    pos.x=random(48)+12;
    pos.y=random(16)+5;
    if((snake[0].food_eaten%4)==0&&snake[0].food_eaten!=0)//because 0 is divisible by 4
	dir=level_gen(level,dir);
    if(pos.y==level[0].y)
    {
	if(dir==1&&pos.x<=level[0].x)
	    pos.y++;
	if(dir==3&&pos.x>=level[0].x)
	    pos.y++;
    }
    if(pos.x==level[0].x)
    {
	if(dir==2&&pos.y>=level[0].y)
	    pos.x++;
	if(dir==4&&pos.y<=level[0].y)
	    pos.x++;
    }
    gotoxy(pos.x,pos.y);
    cout<<(char)157;
    return(pos);
}//end of food_gen()
void chk_food_eaten(hss snake[],coordinate level[],coordinate &pos,int &dir,int &size,int &speed)
{
    int x,y,i;
    int s=size;
    if(snake[0].pos[0]==pos.x&&snake[0].pos[1]==pos.y)
    {
	snake[0].food_eaten++;
	gotoxy(44,24);
	cout<<snake[0].food_eaten*10;
	pos=food_gen(snake,level,pos,dir);
	snake[size-1].body='>';
	if(snake[0].food_eaten<=18)
	    size+=4;
	snake[size-1].body=' ';
	if(speed>20)
	    speed-=15;
	if(speed>10&&speed<=20)
	    speed-=10;
	if(speed>4&&speed<=10)
	    speed-=2;
    }
}//end of chk_food_eaten()
char up(hss snake[],coordinate level[],int &size,coordinate &pos,int &dir,int &speed)
{
    char move;
    int i,j;
    while(i!=0)
    {
	if(kbhit()!=0)
	{
	    move=getch();
	    if(move=='a'||move=='d'||move=='A'||move=='D')
		return(move);
	}
	//to interchange the coordinates
	for(i=size+4;i>0;i--)
	{
	    snake[i].pos[0]=snake[i-1].pos[0];
	    snake[i].pos[1]=snake[i-1].pos[1];
	}
	snake[0].pos[1]--;

	//to display the body
	for(i=0,j=size-1;i<=j;i++,j--)
	{
	    delay(speed);

	    gotoxy(snake[i].pos[0],snake[i].pos[1]);
	    cout<<snake[i].body;

	    gotoxy(snake[j].pos[0],snake[j].pos[1]);
	    cout<<snake[j].body;
	}
	chk_food_eaten(snake,level,pos,dir,size,speed);
	gotoxy(pos.x,pos.y);
	cout<<(char)235;
	if(coordinate_check(snake,level,dir,size)=='y')
	    return('\0');
    }//end of while
}//end of up()
char left(hss snake[],coordinate level[],int &size,coordinate &pos,int &dir,int &speed)
{
    char move;
    int i,j;
    while(i!=0)
    {
	if(kbhit()!=0)
	{
	    move=getch();
	    if(move=='w'||move=='s'||move=='W'||move=='S')
		return(move);
	}
	//to interchange the coordinates
	for(i=size+4;i>0;i--)
	{
	    snake[i].pos[0]=snake[i-1].pos[0];
	    snake[i].pos[1]=snake[i-1].pos[1];
	}
	snake[0].pos[0]--;

	//to display the body
	for(i=0,j=size-1;i<=j;i++,j--)
	{
	    delay(speed);

	    gotoxy(snake[i].pos[0],snake[i].pos[1]);
	    cout<<snake[i].body;

	    gotoxy(snake[j].pos[0],snake[j].pos[1]);
	    cout<<snake[j].body;
	}
	chk_food_eaten(snake,level,pos,dir,size,speed);
	gotoxy(pos.x,pos.y);
	cout<<(char)12;
	if(coordinate_check(snake,level,dir,size)=='y')
	    return('\0');
    }//end of while
}//end of left()
char down(hss snake[],coordinate level[],int &size,coordinate &pos,int &dir,int &speed)
{
    char move;
    int i,j;
    while(i!=0)
    {
	if(kbhit()!=0)
	{
	    move=getch();
	    if(move=='a'||move=='d'||move=='A'||move=='D')
		return(move);
	}
	//to interchange the coordinates
	for(i=size+4;i>0;i--)
	{
	    snake[i].pos[0]=snake[i-1].pos[0];
	    snake[i].pos[1]=snake[i-1].pos[1];
	}
	snake[0].pos[1]++;

	//to display the body
	for(i=0,j=size-1;i<=j;i++,j--)
	{
	    delay(speed);

	    gotoxy(snake[i].pos[0],snake[i].pos[1]);
	    cout<<snake[i].body;

	    gotoxy(snake[j].pos[0],snake[j].pos[1]);
	    cout<<snake[j].body;
	}
	chk_food_eaten(snake,level,pos,dir,size,speed);
	gotoxy(pos.x,pos.y);
	cout<<(char)157;
	if(coordinate_check(snake,level,dir,size)=='y')
	    return('\0');
    }//end of while
}//end of down()
char right(hss snake[],coordinate level[],int &size,coordinate &pos,int &dir,int &speed)
{
    char move;
    int i,j;
    while(i!=0)
    {
	if(kbhit()!=0)
	{
	    move=getch();
	    if(move=='w'||move=='s'||move=='W'||move=='S')
		return(move);
	}
	//to interchange the coordinates
	for(i=size+4;i>0;i--)
	{
	    snake[i].pos[0]=snake[i-1].pos[0];
	    snake[i].pos[1]=snake[i-1].pos[1];
	}
	snake[0].pos[0]++;

	//to display the body
	for(i=0,j=size-1;i<=j;i++,j--)
	{
	    delay(speed);

	    gotoxy(snake[i].pos[0],snake[i].pos[1]);
	    cout<<snake[i].body;

	    gotoxy(snake[j].pos[0],snake[j].pos[1]);
	    cout<<snake[j].body;
	}
	chk_food_eaten(snake,level,pos,dir,size,speed);
	gotoxy(pos.x,pos.y);
	cout<<(char)15;
	if(coordinate_check(snake,level,dir,size)=='y')
	    return('\0');
    }//end of while
}//end of right()
void game_over()
{
    clrscr();
    gotoxy(30,3);cout<<" /-----\\ \n";
    gotoxy(30,4);cout<<"|         \n";
    gotoxy(30,5);cout<<"| -----\\ \n";
    gotoxy(30,6);cout<<"|       | \n";
    gotoxy(30,7);cout<<" \\-----/ \n";
    gotoxy(30,8);cout<<" /----\\   \n";
    gotoxy(30,9);cout<<"|      |   \n";
    gotoxy(30,10);cout<<"|______|   \n";
    gotoxy(30,11);cout<<"|      |   \n";
    gotoxy(30,12);cout<<"|      |   \n";
    gotoxy(30,13);cout<<"\\      / \n";
    gotoxy(30,14);cout<<"| \\  / | \n";
    gotoxy(30,15);cout<<"|  \\/  | \n";
    gotoxy(30,16);cout<<"|      |  \n";
    gotoxy(30,17);cout<<"|      |  \n";
    gotoxy(30,18);cout<<" /-----\\ \n";
    gotoxy(30,19);cout<<"|         \n";
    gotoxy(30,20);cout<<"|------   \n";
    gotoxy(30,21);cout<<"|         \n";
    gotoxy(30,22);cout<<" \\-----/ \n";
    gotoxy(45,3);cout<<" /-----\\ \n";
    gotoxy(45,4);cout<<"|       |  \n";
    gotoxy(45,5);cout<<"|       |  \n";
    gotoxy(45,6);cout<<"|       |  \n";
    gotoxy(45,7);cout<<" \\-----/ \n";
    gotoxy(45,8);cout<<"\\        / \n";
    gotoxy(45,9);cout<<" \\      /  \n";
    gotoxy(45,10);cout<<"  \\    /   \n";
    gotoxy(45,11);cout<<"   \\  /    \n";
    gotoxy(45,12);cout<<"    \\/     \n";
    gotoxy(45,13);cout<<" /-----\\ \n";
    gotoxy(45,14);cout<<"|         \n";
    gotoxy(45,15);cout<<"|------   \n";
    gotoxy(45,16);cout<<"|         \n";
    gotoxy(45,17);cout<<" \\-----/ \n";
    gotoxy(45,18);cout<<" /-----\\ \n";
    gotoxy(45,19);cout<<"|      |  \n";
    gotoxy(45,20);cout<<"|\\-----/ \n";
    gotoxy(45,21);cout<<"|  \\     \n";
    gotoxy(45,22);cout<<"|    \\/\\  \n";
    getch();
}
void score(hss snake[])
{
    clrscr();
    cout<<"\n\n\n\n\n\n\n\n\n\nYOUR SCORE IS : "<<snake[0].food_eaten*10;
    getch();
}
void game_start()
{
    clrscr();
    int i,j,x,op,sign=1,speed=70,dir=0;// x has no use except in the following loop to initialize coordinate
    hss snake[150];
    snake[0].food_eaten=0;
    coordinate level[20],pos={40,11};
    level[0].x=0;level[0].y=0;
    char move='d';
    int size=5;//snake size
    for(i=0,x=40;i<150;i++,x--)
    {
	snake[i].pos[0]=x;
	snake[i].pos[1]=11;
    }

    //intitialization of snake body
    for(i=1;i<81;i++)
    {
	if(i%2==0)
	snake[i].body=178;
	else
	snake[i].body=177;
    }
    snake[0].body='x';
    snake[4].body=' ';

    //border making code
    for(i=11,j=4;j<=22;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=70,j=4;j<=22;j++)
    {
	gotoxy(i,j);
	cout<<(char)186;
    }
    for(i=11,j=4;i<=70;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    for(i=11,j=22;i<=70;i++)
    {
	gotoxy(i,j);
	cout<<(char)205;
    }
    gotoxy(70,22);cout<<(char)188;
    gotoxy(70,4);cout<<(char)187;
    gotoxy(11,22);cout<<(char)200;
    gotoxy(11,4);cout<<(char)201;
    gotoxy(36,24);cout<<"SCORE :  0";
    pos=food_gen(snake,level,pos,dir);
    while(1!=0)
    {
	if(move=='d'||move=='D')
	    move=right(snake,level,size,pos,dir,speed);
	if(move=='s'||move=='S')
	    move=down(snake,level,size,pos,dir,speed);
	if(move=='a'||move=='A')
	    move=left(snake,level,size,pos,dir,speed);
	if(move=='w'||move=='W')
	    move=up(snake,level,size,pos,dir,speed);
	if(move=='\0')
	    break;
    }//end of while
    game_over();
    score(snake);
}//end of game_start()

void snake_menu()
{
    clrscr();
    int op,control=2;
    char body='>';
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°²°²°²°²°²°²°²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°\n";
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°² MAIN MENU ²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°\n";
    cout<<"°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°²°²°²°²°²°²°²°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°";
    cout<<"\n\n\n(1)PLAY\n(2)INSTRUCTIONS\n(3)QUIT";
    cout<<"\n\nEnter your option : ";
    cin>>op;
    switch(op)
    {
	case 1:game_start();
	       break;
	case 2:instruction();
	       break;
	case 3:game_choose();
	       break;
	default:cout<<"\nYou entered wrong choice!";
    }//end of switch()
    snake_menu();
}//end of snake_menu()
void instruction()
{
    clrscr();
    char go_back;
    cout<<"\n\n";
    cout<<"      ---         : \n";
    cout<<"     | W |        : W - TO MOVE SNAKE UP\n";
    cout<<"      ---         : A - TO MOVE SNAKE LEFT\n";
    cout<<" ---  ---  ---    : S - TO MOVE SNAKE DOWN\n";
    cout<<"| A || S || D |   : D - TO MOVE SNAKE RIGHT\n";
    cout<<" ---  ---  ---    : \n\n";
    cout<<"   -----------------------------\n";
    cout<<"   |             >             |\n";
    cout<<"   |             >             |\n";
    cout<<"   |             x             |\n";
    cout<<"   |>>>>>>x                >>>>|\n";
    cout<<"   |                           |\n";
    cout<<"   |             >             |\n";
    cout<<"   |             >             |\n";
    cout<<"   -----------------------------\n";
    cout<<"\n\nPress 'Q' to go back : ";
    while(go_back!='q')
    {
	go_back=getch();
	if(go_back=='q'||go_back=='Q')
	{
	    cout<<go_back;
	    go_back='q';
	}
    }//end of while
}//end of instruction
void snake()
{
    clrscr();
    int load_x,load_y,x,y,i;
    cout<<"                ________ _         ______        __  _________\n";
    cout<<"               (  ______| |\\      |  ____ \\     / / |  _______|  \n";
    cout<<"                 \\ \\    | |\\ \\    | |    | |  / /   | |     \n";
    cout<<"                   \\ \\  | | \\ \\   | |____| |/ /     | |-------|\n";
    cout<<"                     \\ \\| |   \\ \\ | |____| |\\ \\     |  -------|     \n";
    cout<<"                _______\\ \\|    \\ \\| |    | |  \\ \\   | |_______     \n";
    cout<<"               (__________)      \\__|    |_|    \\_\\ | ________|   \n";
    cout<<"\n\n\n\n";
    cout<<"              .     .                      \n";
    cout<<"         .              .                \n";
    cout<<"     .                      .             \n";
    cout<<"       \\    \\        /    /                 \n";
    cout<<"         \\    \\    /    /                 \n";
    cout<<"          \\     \\/     /                 \n";
    cout<<"           \\          /            \n";
    cout<<"            \\        /             \n";
    cout<<"             \\      /                      |         	      \n";
    cout<<"               \\    \\                  |       |    	      \n";
    cout<<"                 |    |             |      |          	       \n";
    cout<<"                    |    |        |    |      |    |  		  \n";
    cout<<"                      |    |   |    |            |    |    	  \n";
    /*
    gotoxy(25,9);
    cout<<" ---------------------------";
    gotoxy(25,10);
    cout<<"|                           | ";
    gotoxy(25,11);
    cout<<" ---------------------------";
    */
    gotoxy(35,12);
    cout<<"LOADING";
    for(load_x=42,load_y=12,x=25,y=10,i=1;i<=27;i++,x++)
    {
	delay(100);
	gotoxy(x,y);
	cout<<(char)222;//or219
	if(i==1)
	{
	    gotoxy(load_x,load_y);
	    cout<<".";
	    load_x+=1;
	}
	if(i%6==0)
	{
	    gotoxy(42,12);
	    clreol();
	    load_x=42;
	}
	if(i%2==0)
	{
	    gotoxy(load_x,load_y);
	    cout<<".";
	    load_x+=1;
	}
	delay(200);
    }//end of for loop
    snake_menu();
    getch();
}

//////////////////////////////////////////////////////////////////////////////

class player
{
public:
    struct n
    {
	char fname[11];
	char lname[11];
    }name;
    char username[16];
    char password[17];
    char gender;
    char mobile[11];
    player()
    {
	strcpy(name.fname,"0000000000");
	strcpy(name.lname,"0000000000");
	strcpy(username,"000000000000000");
	strcpy(password,"0000000000000000");
	gender='0';
	strcpy(mobile,"0000000000");
    }
};
long s=sizeof(player);

void sign_in();
void sign_up();


void sign_up()
{
   clrscr();
   int i,j;

   //log in
   for(i=72;i<81;i++)
   {   gotoxy(i,1);cout<<char(205);   }
   gotoxy(72,1);cout<<char(201);gotoxy(73,2);cout<<"SIGN IN";gotoxy(80,1);cout<<char(187);//left+right top
   for(i=72;i<81;i++)
   {   gotoxy(i,3);cout<<char(205);   }
   gotoxy(72,3);cout<<char(200);gotoxy(80,3);cout<<char(188);//left+right bottom
   gotoxy(72,2);cout<<char(186);gotoxy(80,2);cout<<char(186);//lft most+right most center vertical line
   //first name
   gotoxy(1,3);cout<<" Name:";
   for(i=1;i<15;i++)
   {   gotoxy(i,4);cout<<char(196);   }
   gotoxy(1,4);cout<<char(218);gotoxy(2,5);cout<<"First";gotoxy(14,4);cout<<char(191);
   for(i=1;i<14;i++)
   {   gotoxy(i,6);cout<<char(196);   }
   gotoxy(1,6);cout<<char(192);gotoxy(14,6);cout<<char(217);
   gotoxy(1,5);cout<<char(179);gotoxy(14,5);cout<<char(179);
   //last name
   for(i=20;i<34;i++)
   {   gotoxy(i,4);cout<<char(196);   }
   gotoxy(20,4);cout<<char(218);gotoxy(21,5);cout<<"Last";gotoxy(33,4);cout<<char(191);
   for(i=20;i<33;i++)
   {   gotoxy(i,6);cout<<char(196);   }
   gotoxy(20,6);cout<<char(192);gotoxy(33,6);cout<<char(217);
   gotoxy(20,5);cout<<char(179);gotoxy(33,5);cout<<char(179);
   //Choose your username  2,8
   gotoxy(1,7);cout<<" Choose your username:";
   for(i=1;i<35;i++)
   {   gotoxy(i,8);cout<<char(196);   }
   gotoxy(1,8);cout<<char(218);gotoxy(12,9);cout<<"eg. username@gmail.com";gotoxy(34,8);cout<<char(191);
   for(i=1;i<34;i++)
   {   gotoxy(i,10);cout<<char(196);   }
   gotoxy(1,10);cout<<char(192);gotoxy(34,10);cout<<char(217);
   gotoxy(1,9);cout<<char(179);gotoxy(34,9);cout<<char(179)<<" Maximum 15 characters";
   //create password 1,13
   gotoxy(1,11);cout<<" Create password:";
   for(i=1;i<21;i++)
   {   gotoxy(i,12);cout<<char(196);   }
   gotoxy(1,12);cout<<char(218);gotoxy(20,12);cout<<char(191);
   for(i=1;i<21;i++)
   {   gotoxy(i,14);cout<<char(196);   }
   gotoxy(1,14);cout<<char(192);gotoxy(20,14);cout<<char(217);
   gotoxy(1,13);cout<<char(179);gotoxy(20,13);cout<<char(179)<<" Maximum 16 & minimum 5 characters";
   //gender
   gotoxy(1,15);cout<<" Gender:";
   for(i=1;i<6;i++)
   {   gotoxy(i,16);cout<<char(196);   }
   gotoxy(1,16);cout<<char(218);gotoxy(5,16);cout<<char(191);
   for(i=1;i<6;i++)
   {   gotoxy(i,18);cout<<char(196);   }
   gotoxy(1,18);cout<<char(192);gotoxy(5,18);cout<<char(217);
   gotoxy(1,17);cout<<char(179);gotoxy(5,17);cout<<char(179)<<" (M/F)";
   //mobile phone number
   gotoxy(1,19);cout<<" Mobile phone:";
   for(i=1;i<20;i++)
   {   gotoxy(i,20);cout<<char(196);   }
   gotoxy(1,20);cout<<char(218);gotoxy(2,21);cout<<"+91 ";gotoxy(19,20);cout<<char(191);
   for(i=1;i<20;i++)
   {   gotoxy(i,22);cout<<char(196);   }
   gotoxy(1,22);cout<<char(192);gotoxy(19,22);cout<<char(217);
   gotoxy(1,21);cout<<char(179);gotoxy(19,21);cout<<char(179);
   //create account
   for(i=30;i<48;i++)
   {   gotoxy(i,23);cout<<char(240);   }
   gotoxy(30,23);cout<<char(240);gotoxy(31,24);cout<<(char)240<<"CREATE ACCOUNT"<<(char)240;gotoxy(47,23);cout<<char(240);
   for(i=30;i<48;i++)
   {   gotoxy(i,25);cout<<char(240);   }
   gotoxy(30,25);cout<<char(240);gotoxy(47,25);cout<<char(240);
   gotoxy(30,24);cout<<char(240);gotoxy(47,24);cout<<char(240);

   player temp,obj;
   int x=2,y=5;
   char ch;

   while(1)
   {
       gotoxy(x,y);
       if(x==77&&y==2)//sign in
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch=='\t')
		   {
			x=2;y=5;
			break;
		   }
		   if(ch==13)
		   {
			sign_in();
		   }
	       }//end of kbhit()
	   }//end of inner while
       }//if ends

       gotoxy(x,y);
       if(x==2&&y==5)//fname
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.name.fname[2]!='0')//name not to be short
		       {    x=21;y=5;
			    if(i!=0)
				temp.name.fname[i]='\0';
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.name.fname[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
			   if(i<10)
			   {
			       if(i==0)
			       {     clreol();gotoxy(14,5);cout<<char(179);
				     gotoxy(20,5);cout<<char(179)<<"Last";gotoxy(33,5);cout<<char(179);
				     gotoxy(3,5);
			       }
			   temp.name.fname[i]=ch;
			   i++;
			   cout<<ch;
		       }
		   }
	       }//end of kbhit()
	   }//end of inner while
	   if(i!=0)
	       temp.name.fname[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==21&&y==5)//lname
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.name.lname[2]!='0')//name not to be short
		       {    x=2;y=9;
			    if(i!=0)
				temp.name.lname[i]='\0';
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.name.lname[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
		       if(i<10)
		       {
			   if(i==0)
			   {     clreol();gotoxy(33,5);cout<<char(179);gotoxy(22,5);    }
			   temp.name.lname[i]=ch;
			   i++;
			   cout<<ch;
		       }
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.name.lname[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==2&&y==9)//username
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.username[2]!='0')//username not to be short
		       {    x=2;y=13;
			    if(i!=0)
			    {
				cout<<"@gmail.com";
				temp.username[i]='\0';
			    }
			    fstream f;
			    f.open("player.txt",ios::in|ios::binary);
			    while(f.read((char*)&obj,s))
			    {
				 if(strcmp(obj.username,temp.username)==0)
				 {
				      gotoxy(3,9);clreol();gotoxy(34,9);cout<<char(179);gotoxy(35,9);cout<<" Username already exists!!!!!!!";x=2;y=9;
				 }
				 else
				 {
				      clreol();gotoxy(34,9);cout<<char(179);gotoxy(35,9);cout<<" Maximum 15 characters";
				 }
			    }
			    f.close();
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.username[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
		       if(i<15)
		       {
			   if(i==0)
			   {     clreol();gotoxy(34,9);cout<<char(179);gotoxy(35,9);cout<<" Maximum 15 characters";gotoxy(3,9);    }
			   temp.username[i]=ch;
			   i++;
			   cout<<ch;
		       }
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.username[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==2&&y==13)//password
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.password[5]!='0')//password not to be short
		       {    x=3;y=17;
			    if(i!=0)
				temp.password[i]='\0';
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.password[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
		       if(i<16)
		       {
			   if(i==0)
			   {     clreol();gotoxy(20,13);cout<<char(179)<<" Maximum 16 & minimum 5 character";;gotoxy(3,13);    }
			   temp.password[i]=ch;
			   cout<<"*";
			   i++;
		       }
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.password[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==3&&y==17)//gender
       {
	   i=0;
	   while(ch!='m'||ch!='f'||ch!='M'||ch!='F')
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.gender!='0')
		       {    x=6;y=21;    }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.gender='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   if( (ch=='m'||ch=='f'||ch=='M'||ch=='F')&&(i<1) )
		   {
		       if(ch<65||ch>90)
			   ch-=32;
		       cout<<ch;
		       temp.gender=ch;
		       i++;
		   }
	       }//end of kbhit()
	   }//end of inner while
       }//if ends

       gotoxy(x,y);
       if(x==6&&y==21)//mobile no.
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.mobile[9]!='0')//name not to be short
		       {    x=38;y=24;
			    if(i!=0)
				temp.mobile[i]='\0';
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.mobile[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   if(ch<=58&&ch>=48&&i<10)
		   {
		       if(i==0)
		       {     clreol();gotoxy(19,21);cout<<char(179);gotoxy(7,21);    }
		       temp.mobile[i]=ch;
		       i++;
		       cout<<ch;
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.mobile[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==38&&y==24)//create account
       {
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch=='\t')
		   {
			x=77;y=2;
			break;
		   }
		   if(ch==13)
		   {
			fstream f;
			f.open("player.txt",ios::out|ios::in|ios::binary);
			if(f.fail())
			{
			     clrscr();
			     cerr<<"\nFile got corrupt!!!";
			     getch();
			     exit(1);
			}
			f.seekp(0,ios::end);
			f.write((char*)&temp,s);
			f.close();
			sign_in();
		   }

	       }//end of kbhit()
	   }//end of inner while
       }//if ends
   }//end of outer while
}//end of sign_up()

void sign_in()
{
   clrscr();
   int i;
   player temp,obj;

   //log in
   for(i=70;i<81;i++)
   {   gotoxy(i,1);cout<<char(205);   }
   gotoxy(70,1);cout<<char(201);gotoxy(72,2);cout<<"SIGN UP";gotoxy(80,1);cout<<char(187);//left+right top
   for(i=70;i<81;i++)
   {   gotoxy(i,3);cout<<char(205);   }
   gotoxy(70,3);cout<<char(200);gotoxy(80,3);cout<<char(188);//left+right bottom
   gotoxy(70,2);cout<<char(186);gotoxy(80,2);cout<<char(186);//lft most+right most center vertical line

   //first name
   gotoxy(25,9);cout<<" USERNAME:";
   for(i=25;i<50;i++)
   {   gotoxy(i,10);cout<<char(196);   }
   gotoxy(25,10);cout<<char(218);gotoxy(26,11);cout<<"username";gotoxy(50,10);cout<<char(191);
   for(i=25;i<50;i++)
   {   gotoxy(i,12);cout<<char(196);   }
   gotoxy(25,12);cout<<char(192);gotoxy(50,12);cout<<char(217);
   gotoxy(25,11);cout<<char(179);gotoxy(50,11);cout<<char(179);

   gotoxy(25,13);cout<<" PASSWORD:";
   for(i=25;i<50;i++)
   {   gotoxy(i,14);cout<<char(196);   }
   gotoxy(25,14);cout<<char(218);gotoxy(27,15);gotoxy(50,14);cout<<char(191);
   for(i=25;i<50;i++)
   {   gotoxy(i,16);cout<<char(196);   }
   gotoxy(25,16);cout<<char(192);gotoxy(50,16);cout<<char(217);
   gotoxy(25,15);cout<<char(179);gotoxy(50,15);cout<<char(179);

   for(i=33;i<43;i++)
   {   gotoxy(i,18);cout<<char(205);   }
   gotoxy(33,18);cout<<char(201);gotoxy(35,19);cout<<"SIGN IN";gotoxy(43,18);cout<<char(187);//left+right top
   for(i=33;i<43;i++)
   {   gotoxy(i,20);cout<<char(205);   }
   gotoxy(33,20);cout<<char(200);gotoxy(43,20);cout<<char(188);//left+right bottom
   gotoxy(33,19);cout<<char(186);gotoxy(43,19);cout<<char(186);//lft most+right most center vertical line

   int x=76,y=2;
   char ch;
   while(1!=0)
   {
       gotoxy(x,y);
       if(x==76&&y==2)//sign up
       {
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch=='\t')
		   {
			x=26;y=11;
			break;
		   }
		   if(ch==13)
		   {
			//f.close();
			sign_up();
		   }
	       }//end of kbhit()
	   }//end of inner while
       }//if ends

       gotoxy(x,y);
       if(x==26&&y==11)//username
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.username[2]!='0')//username not to be short
		       {    x=27;y=15;
			    if(i!=0)
			    {
				cout<<"@gmail.com";
				temp.username[i]='\0';
			    }
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.username[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
		       if(i<15)
		       {
			   if(i==0)
			   {     clreol();gotoxy(25,11);cout<<char(179);gotoxy(50,11);cout<<char(179);gotoxy(27,11);    }
			   temp.username[i]=ch;
			   i++;
			   cout<<ch;
		       }
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.username[i]='\0';
       }//if ends

       gotoxy(x,y);
       if(x==27&&y==15)//password
       {
	   i=0;
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch==13||ch=='\t')
		   {
		       if(temp.password[5]!='0')//password not to be short
		       {    x=39;y=19;
			    if(i!=0)
				temp.password[i]='\0';
		       }
		       break;
		   }
		   if(ch=='\b')
		   {
		       if(i>0)
		       {
			   temp.password[i]='0';
			   i--;
			   cout<<"\b \b";
		       }
		   }
		   else
		   {
		       if(i<16)
		       {
			   if(i==0)
			   {     clreol();gotoxy(25,15);cout<<char(179);gotoxy(50,15);cout<<char(179);gotoxy(27,15);    }
			   temp.password[i]=ch;
			   cout<<"*";
			   i++;
		       }
		   }
	       }//end of kbhit()

	   }//end of inner while
	   if(i!=0)
	       temp.password[i]='\0';
       }//if ends
       gotoxy(x,y);
       if(x==39&&y==19)//sign in
       {
	   while(1)
	   {
	       if(kbhit())
	       {
		   ch=getch();
		   if(ch=='\t')
		   {
			x=76;y=2;
			break;
		   }
		   if(ch==13)
		   {
			fstream f;
			f.open("player.txt",ios::out|ios::in|ios::binary);
			if(f.fail())
			{
			     clrscr();
			     cerr<<"\nFile got corrupt!!!";
			     getch();
			     exit(1);
			}
			while(f.read((char*)&obj,s))
			{
			     if((strcmp(temp.username,obj.username)==0)&&(strcmp(temp.password,obj.password)==0))
			     {
				      f.close();
				      game_choose();
			     }
			}
			f.close();
		    }

	       }//end of kbhit()
	   }//end of inner while
       }//if ends
   }//end of outer while
}

void main()
{
    sign_in();
}