C++ vector to binary file

Question

Hello I have a task to put random vector in a binary file and read this binary file to check if everything is ok. I dont know how to read binary file i made something like this and it isn't working.

vector<float> binaryReading(){
string filename ="tekstBinary.txt";
ifstream input(filename, ios::binary);
if (input) {
int i;
while (input.read(reinterpret_cast<char*> (i), sizeof(i)))
cout << i << " ";
}
input.close();
}

Answer 1

you need to give the pointer to the "i" in the reinterpret cast parameter, that is "&i"

Answer 2

ok nvm i didnt see the date