taking input in c++ from file code example

Example 1: how to load from files C++

// basic file operations
#include <iostream>
#include <fstream>
using namespace std;

int main () {
  ofstream myfile;
  myfile.open ("example.txt");
  myfile << "Writing this to a file.\n";
  myfile.close();
  return 0;
}

Example 2: fstream read write mode

stream file;
file.open(fileName,ios::in | ios::out);