What is the output if the file content before the execution of the program is the string "ABC"?

Question

int main()

{ char ch='A';

fstream fileout("data.dat",ios::out);

fileout<<ch;

int p=fileour.tellg();

cout<<p;

return 0;

}

What is the output if the file content before the execution of the program is the string "ABC"?

(Note that " " are not part of the file).

Answer 1

1   is the output if the file content before the execution of the program is the string "ABC".