build error

[qq316387171]

#include <altstr.h>
#include
using namespace std;

After using string, compilation error is reported
error: use of undeclared identifier 'char16_t

[qq316387171]

#include <windows.h>
#include <time.h>
#include
using namespace std;

int main() {
string str = "111222";
MessageBoxA(0,str.data(),0,0):
return 0;
}

cl /c main.cpp /EHsc /std:c++14

In file included from C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\cstddef:13:
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\xtr1common(180,5) : error:
use of undeclared identifier 'char16_t'
180 | char16_t, char32_t, short, unsigned short, int, unsigned int, long, unsigned long, long long, unsigned long long>;
| ^
In file included from main.cpp:3:
In file included from C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\string:11:
In file included from C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\xstring:13:
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\iosfwd(158,20) : error:
use of undeclared identifier 'char16_t'
158 | struct char_traits<char16_t>;
| ^
C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.33.31629\include\iosfwd(160,20) : error:
use of undeclared identifier 'char32_t'
160 | struct char_traits<char32_t>;