Help me improve this code

[Wakesta]

Can Someone suggest how I can improve this code and where I need to improve this?

#include<fstream.h>
#include<string.h>
#include<conio.h>
#include<stdlib.h>
#include<time.h>
#include<stdio.h>
#include<graphics.h>
int query=1;
class manutd
{
public:
char pname[50];
int goals,salary;
}player[17],rplayer[17],r2player[17];

class teams
{public:
char team_name[50];
int skill;
}team[19];

class trnsfr
{
public:
char tname[50];
int tsal;
}tplayer[15];

class general
{
public:
int week;
int mskill;
int tot_goals;
}ob,ob2;

void welcome_screen()
     {
	clrscr();
	textcolor(RED);
	gotoxy(10,10);
	cout<<"**************** W E L C O M E  *********************** ";
	gotoxy(15,12);
	cout<<"*** T O  M A N C H E S T E R   U N I T E D  *** " ;
	gotoxy(10,14);
	textcolor(RED);
	cout<<"******* C L U B  M A N A G E M E N T  ******* ";
	gotoxy(28,16);
	textcolor(RED);
	gotoxy(10,20);
	cout<<"";

	textcolor(RED+BLINK);
	gotoxy(20,30);
	cout<<" *** PRESS ANY KEY TO CONTINUE***";
	getch();
	return;
     }
void initiate()
{
//Player Names
strcpy(r2player[1].pname,"Edwin Van Der Sar");
strcpy(r2player[2].pname,"Patrice Evra");
strcpy(r2player[3].pname,"John O'Shea");
strcpy(r2player[4].pname,"Rio Ferdinand");
strcpy(r2player[5].pname,"Nemanja Vidic");
strcpy(r2player[6].pname,"Darren Fletcher");
strcpy(r2player[7].pname," Michael Carrick");
strcpy(r2player[8].pname," Cristiano Ronaldo");
strcpy(r2player[9].pname," Ryan Giggs");
strcpy(r2player[10].pname," Carlos Tevez");
strcpy(r2player[11].pname," Wayne Rooney");
strcpy(r2player[12].pname," Ben Foster");
strcpy(r2player[13].pname," Rafael De Silva");
strcpy(r2player[14].pname," Ji Sung Park");
strcpy(r2player[15].pname," Dimitar Berbatov");
strcpy(r2player[16].pname," Johny Evans");
strcpy(r2player[17].pname," Paul Scholes");
ob.week=0;
ob.tot_goals=0;
ob2.week=0;
ob2.tot_goals=0;
query++;
//initiations of goals from 0
for(int i=1;i<=17;i++)
{
r2player[i].goals=0;
}

//specify salary given to each player
r2player[1].salary=5000;
r2player[2].salary=3000;
r2player[3].salary=4000;
r2player[4].salary=5000;
r2player[5].salary=4500;
r2player[6].salary=3500;
r2player[7].salary=4000;
r2player[8].salary=7500;
r2player[9].salary=6000;
r2player[10].salary=5000;
r2player[11].salary=6500;
r2player[12].salary=2500;
r2player[13].salary=2500;
r2player[14].salary=3000;
r2player[15].salary=4000;
r2player[16].salary=3000;
r2player[17].salary=5000;
//ob.tot_sal=0;
//for(int j=1;j<=17;j++)
//{
//ob.tot_sal+=player[j].salary;
//}


//Tranfer Players
strcpy(tplayer[1].tname,"Roque Santa Cruz");
tplayer[1].tsal=3000;
strcpy(tplayer[2].tname,"Lionel Messi");
tplayer[2].tsal=6500;
strcpy(tplayer[3].tname,"Amir Zaki");
tplayer[3].tsal=3000;
strcpy(tplayer[4].tname,"Ricardo Kaka");
tplayer[4].tsal=5500;
strcpy(tplayer[5].tname,"Ibrahamovic");
tplayer[5].tsal=4500;
strcpy(tplayer[6].tname,"Luka Modric");
tplayer[6].tsal=4000;
strcpy(tplayer[7].tname,"Peter Crouch");
tplayer[7].tsal=3000;
strcpy(tplayer[8].tname,"Bastian Schweinsteiger");
tplayer[8].tsal=4000;
strcpy(tplayer[9].tname,"Deco");
tplayer[9].tsal=4500;
strcpy(tplayer[10].tname,"Franck Ribery");
tplayer[10].tsal=5000;
strcpy(tplayer[11].tname,"Karim Benzema");
tplayer[11].tsal=2500;
strcpy(tplayer[12].tname,"Mamadou Sakho");
tplayer[12].tsal=2000;
strcpy(tplayer[13].tname,"Wilson Palacios");
tplayer[13].tsal=2500;
strcpy(tplayer[14].tname,"Douglas Costa");
tplayer[14].tsal=2500;
strcpy(tplayer[15].tname,"Nicolas Bertolo");
tplayer[15].tsal=3000;

//EPL Teams:
strcpy(team[1].team_name,"Liverpool");
team[1].skill=18;
strcpy(team[2].team_name,"Chelsea");
team[2].skill=18;
strcpy(team[3].team_name,"Arsenal");
team[3].skill=17;
strcpy(team[4].team_name,"Aston Villa");
team[4].skill=15;
strcpy(team[5].team_name,"Everton");
team[5].skill=14;
strcpy(team[6].team_name,"Fulham");
team[6].skill=13;
strcpy(team[7].team_name,"Tottenham");
team[7].skill=15;
strcpy(team[8].team_name,"West Ham United");
team[8].skill=13;
strcpy(team[9].team_name,"Manchester City");
team[9].skill=15;
strcpy(team[10].team_name,"Wigan Athletic");
team[10].skill=13;
strcpy(team[11].team_name,"Stoke City");
team[11].skill=12;
strcpy(team[12].team_name,"Bolton Wanderers");
team[12].skill=12;
strcpy(team[13].team_name,"Blackburn Rovers");
team[13].skill=13;
strcpy(team[14].team_name,"Portsmouth");
team[14].skill=13;
strcpy(team[15].team_name,"Sunderland");
team[15].skill=12;
strcpy(team[16].team_name,"Newcastle United");
team[16].skill=11;
strcpy(team[17].team_name,"Hull City");
team[17].skill=10;
strcpy(team[18].team_name,"Middlesbrough");
team[18].skill=9;
strcpy(team[19].team_name,"West Bromwich Albion");
team[19].skill=7;

ob.mskill=19;
}

void view_team()
{
clrscr();
ifstream fin("manutd.txt",ios::in);
for(int i=1;i<=17;i++)
{
fin.read((char*)&rplayer[i],sizeof(rplayer[i]));
}
fin.close();

textcolor(RED);
cout<<"\n\tMANCHESTER UNITED";
for(int j=1;j<=17;j++)
{
cout<<"\nPlayer Name: ";
puts(rplayer[j].pname);
cout<<"\nGoals Scored: "<<rplayer[i].goals;
}
cout<<"\n\tTotal Goals scored: "<<ob2.tot_goals;
textcolor(RED+BLINK);
cout<<"PRESS ANY KEY TO RETURN TO MENU";
getch();
}

void save()
{
clrscr();
ofstream fout("manutd.txt",ios::out|ios::app);
fout<<ob2.week;
for(int i=1;i<=17;i++)
{
fout.write((char *)&r2player[i],sizeof(r2player[i]));
}
fout.close();
cout<<" Data Saved!";
gotoxy(10,10);
textcolor(RED+BLINK);
cout<<"PRESS ANY KEY TO RETURN TO MENU";
getch();
}


void simulation()
{
clrscr();
int play[11];
ifstream weekin("manutd.txt",ios::in|ios::beg);
weekin>>ob2.week;
ob2.week++;
for(int i=1;i<=17;i++)
{
weekin.read((char*)&r2player[i],sizeof(r2player[i]));
}
weekin.close();
int n=ob2.week;
cout<<"Week Number: "<<ob2.week;
if(ob2.week>20)
{
n=ob2.week-20;
}
cout<<"\n\t Choose your team using the numbers given:";
for(int j=1;j<=17;j++)
{
cout<<"\n"<<j;
textcolor(RED);
puts(r2player[j].pname);
}
for(int h=1;h<=11;h++)
{
cin>>play[h];
if(play[h]>17 || play[h]<1)
{
cout<<"Wrong choice, Please re-enter";
cin>>play[h];
} }
clrscr();
cout<<"\n\t Your team:";
for(int g=1;g<=11;g++)
{
cout<<"\n";
puts(r2player[play[g]].pname);
cout<<"\n";
}

//scoring
int r=ob.mskill-team[n].skill;
int fg,ag;
	srand(time(NULL));
	if(r==1 || r==2)
	{
	fg=rand()%4;
	ag=rand()%3;
	}
	else if(r==3 || r==4)
	{
	fg=rand()%5;
	ag=rand()%3;
	}
	else if(r>=5 && r<=7)
	{
	fg=rand()%5+1;
	ag=rand()%2;
	}
	else
	{
	fg=rand()%6+1;
	ag=rand()%2;
	}
	ob2.tot_goals+=fg;
//player scores
int s[6];
for(int e=1;e<=fg;e++)
{
s[e]=rand()%11+1;
r2player[play[s[e]]].goals++;
}
cout<<"\n \t At full time, result: ";
cout<<"\n Manchester United "<<fg<<"-"<<ag<<" ";
puts(team[19].team_name);
cout<<"\n Scorer's for Manchester United=\n";
for(int y=1;y<=fg;y++)
{
cout<<"\n";
puts(r2player[play[s[y]]].pname);
}
getch();
return;
}

void transferweek()
{
clrscr();
char c;
int p,s,g;
cout<<"\tWeek 20";
cout<<"\nTRANSFER WEEK";
cout<<"Rules:\n";
cout<<"1)For buying a player, one player has to be sold";
cout<<"\n2)Value ofbought player has to be equal of less than\n sold player\n";
cout<<"\n Do you want to buy?(y/n)";
cin>>c;
switch(c)
{
case 'y':
case 'Y':
s=0;
break;
case 'n':
case 'N':
s=1;
break;
}
while(s=0)
{
cout<<"\nPress number next to desired player\nList of players:\n";
for(int i=1;i<=15;i++)
{
cout<<i;
puts(tplayer[i].tname);
cout<<"---"<<tplayer[i].tsal<<"\n";
}
cin>>p;
clrscr();
cout<<"\n Which player to sell?\n";
for(int q=1;q<=17;q++)
{
cout<<g;
puts(r2player[q].pname);
cout<<"---"<<r2player[q].salary<<"\n";
}
cin>>g;
if(r2player[g].salary>=tplayer[p].tsal)
{
strcpy(r2player[g].pname,tplayer[p].tname);
cout<<"\n \t Negotiations Accomplished. Congratulations!";
}
else
{}
cout<<"\n Another transfer? \n0.Yes 1.No\n";
cin>>s;
}}


void menu()
{
char ch;
clrscr();
       //textbackground(WHITE);
       textcolor(RED);
       gotoxy(30,8);
       cprintf(" N:NEXT WEEK ");
       gotoxy(30,9);
       cprintf(" V:VIEW TEAM INFORMATION \n  \r ");
       gotoxy(30,10);
       cprintf(" S:SAVE DATA \n \r ");
       gotoxy(30,11);
       cprintf(" E:EXIT \n \r ");
       ch=getch();

      switch(ch)
	   {
	     case 'n':
	     case 'N':
		if(ob2.week==19)
		{
		transferweek();
		}
		else{
		simulation();}
		break;
	     case 'v' :
	     case 'V' :
		view_team();
		break;
	     case 's':
	     case 'S':
		save();
		break;
	     case 'e':
	     case 'E':
		system("cls");
		exit(0);
	 }
}

void main()
{
clrscr();
welcome_screen();
initiate();
save();
menu();
getch();
}