Binary File IO in C++

Question

I want to create a Binary File in C++ to store data and read data from it simultaneously.

The file must be in binary formate, not txt file and cannot readable when opened with a text editor.

I am using Visual Studio Enterprise latest version. ISO C++ 17.

Answer 1

tried but not found.

fstream file;

fstream.open("myfile.txt", ios::in | ios::out | ios::binary )

giving error.

Answer 2

I have seprated them by mistake...

I am compiling it.. wait...

ill tell the error

Answer 3

https://pasteboard.co/IPBMHLJ.png

I want that if the file already doses not exists it will be created automatically.

and if already there it will be overwritten.