Ошибка в коде

//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <string.h>
#include <iostream.h>
#include <stdio>
#include <vector>
#include <sstream>
#include <iterator>
#pragma hdrstop
 
#include "Unit1.h"
float a,b,c,d,e,f,x,y,z,t,s;
using namespace std;
 
int TForm1::main()
{
 std::vector< double > p;
 std::istringstream stream(Edit7->Text.c_str());
 for( std::istream_iterator< std::string > it( stream ), end; it != end;
 ++it )
 {
 p.push_back( StrToFloat( it->c_str() ) );
 }
}
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
a=StrToFloat(Edit1->Text);
b=StrToFloat(Edit2->Text);
c=StrToFloat(Edit3->Text);
d=StrToFloat(Edit4->Text);
e=StrToFloat(Edit5->Text);
if (CheckBox1->Checked)
{f=0.3;}
if (CheckBox2->Checked)
{f=0.6;}
if (CheckBox3->Checked)
{f=0.9;}
x=(a*2+b*1+c*0.5+d*0.5)*e*f;
Panel1->Caption=FormatFloat("#0.", x)+" ÷àñ(îâ)";
if (x>24)
{t=x/24; Panel1->Caption=FormatFloat("#0.", t)+" äíÿ";}
y=x/40+0.5;
Panel2->Caption=FormatFloat("#0.", y);
if (y<1)
{Panel2->Caption="1";}
z=((x/y)/40)*100;
Panel3->Caption=FormatFloat("#0.00", z);
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button2Click(TObject *Sender)
{
 Edit1->Clear();
 Edit2->Clear();
 Edit3->Clear();
 Edit4->Clear();
 Edit5->Clear();
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button3Click(TObject *Sender)
{
float o,r,k,l;
 
o=StrToFloat(Edit6->Text);
r=StrToFloat(Edit8->Text);
 
double e = 0;
 for( size_t i = 0; i < p.size(); ++i )  // ТУТ
 {
 e +=(o-p[i])*r;
 }
 
 Panel4->Caption = FloatToStr( e );
 
 r=e/40;
 Panel5->Caption = FloatToStr( r );
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Button3Click(TObject *Sender, vector< double > &p)

void __fastcall TForm1::Button3Click(TObject *Sender, std::vector< double > &p)