a quick sample code to answare a beginers question about file paths in C++, this code is free to use for anyone.

main.cpp

#include <iostream>
#include <fstream>

/**
 * @brief a quick sample code to answare a beginers question about file paths in C++, this code is free to use for anyone.
 */
class Path{
public:
  Path(std::string path, std::string file);
  
  std::string getAbsulutePath();
  
  void touch();
  
private:
  std::string m_path;
  std::string m_filename;
};


Path::Path(std::string path, std::string file): m_path(path), m_filename(file){}

std::string Path::getAbsulutePath(){
  std::string ret="";
  ret.append(m_path);
  ret.append(m_filename);
  return ret;
}

/**
 * This will only create the file if you want to write something checkout http://www.cplusplus.com/reference/fstream/ofstream/
 */
void Path::touch(){
 std::ofstream fout(getAbsulutePath().c_str());
 fout.close();
}


int main(int argc, char **argv) {
  std::string path;
  std::string file;
  std::cout << "Enter a path: ";
  std::cin >> path;
  std::cout << "Enter filename: ";
  std::cin >> file;
  
  Path filepath(path, file);
  std::cout << "Your file is: " << filepath.getAbsulutePath() << std::endl;
  filepath.touch();
       
  return 0;
}