Ошибка unknown type name string

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

//---------------------------------------------------------------------------
 
#include <vcl.h>
#include <string>
#include <string.h>
#include <cstring>
#include <cstddef>
 
#pragma hdrstop
 
#include "Unit7.h"
int Number, UserNumber;
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm7 *Form7;
//---------------------------------------------------------------------------
 
__fastcall TForm7::TForm7(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm7::Button1Click(TObject *Sender)
{
Number = 1000 + rand() %(9999-1000+1);
}
//---------------------------------------------------------------------------
void __fastcall TForm7::Button2Click(TObject *Sender)
{
String corral;
size_t cows, bulls;
UserNumber=StrToInt(LabeledEdit1->Text);
while (1)
{
if (Number == UserNumber)
Memo1->Lines->Add(IntToStr(UserNumber) + " Браво! Вы угадали число с первого раза!");
cows = bulls = 0;
string Number = to_string(Number);
string UserNumber = to_string(UserNumber);
for(size_t i {0}; i<Number.size(); i++)
{
 if (Number[i] == UserNumber[i])
 {
     corral[i] = 'C';
     cows++;
 }
 else corral[i] = 0;
}
for (size_t i {0}; i<Number.size(); i++)
{
    if (corral[i] == 'C')
    continue;
    for (size_t j {0}; j<Number.size(); j++)
    {
        if (corral[j] == 'C' || corral [j] == 'B')
        continue;
 
        if (Number[i] == UserNumber[j])
        corral[j] = 'C';
        bulls++;
        break;
    }
}
}
Memo1->Lines->Add("Ваше число " + IntToStr(UserNumber) + ".");
Memo1->Lines->Add("Количество быков и коров составляет: " + IntToStr(bulls) + IntToStr(cows);
}
 
//---------------------------------------------------------------------------

1

std::string Number = std::to_string(Number);