float avg ( int *pt);
const  int N = 4;
void __fastcall TForm1::Button1Click(TObject *Sender)
{
    int test [4];
    for (int i = 0; i < N; i++)
    {
        double ans = avg (test);
        AnsiString fMg;
        fMg = Memo1->Text;
        Button1->Caption = FloatToStr(avg(StrToFloat(Memo1->Text)));
    }
}
float __fastcall TForm1::avg (int *pt)
{
    float sum =0;
    for (int i = 0; i < N; i++)
    {
        sum = sum + *(pt + i);
    }
}
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