Как переделать массив 9х9?

//---------------------------------------------------------------------------
 
#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
#include "math.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
int mas[9],i,a=0,b=0,min,max;
for (i=0;i<9;i++)
{mas[i]=StrToInt(SG1->Cells[i][0]);}
min=mas[0];
for (i=0;i<9;i++)
if (min>mas[i]) {min=mas[i]; a=i;}//íàõîäèì ìèíèìàëüíîå
max=mas[0];
for (i=0;i<9;i++)
if (max<mas[i]) {max=mas[i]; b=i;}//íàõîäèì ìàêñèìàëüíîå
for (i=0;i<9;i++)
mas[a]=max;//ìåíÿåì ìåñòàìè
mas[b]=min;
for (i=0;i<9;i++)
{SG2->Cells[i][0]=FloatToStr(mas[i]);}
}
//---------------------------------------------------------------------------