Сохранение переменной в файл

#include <fstream>
#include <iostream>
 
class C_Events {
  public:
      C_Events() : totalCounter(loadTotalCounter()) {}    
      ~C_Events() { saveTotalCounter(); }
 
    inline int loadTotalCounter() {
        std::ifstream infile("data/totalScore.txt");
        infile >> totalCounter;
        return totalCounter;
    }
 
    inline void saveTotalCounter() {
        std::ofstream outfile("data/totalScore.txt");
        outfile << totalCounter;
    }   
 
  private:
 
    int totalCounter;
};

class C_Events {
  public:
      C_Events() : totalCounter(0) { loadTotalCounter(); }    
      ~C_Events() { saveTotalCounter();}
 
    inline void loadTotalCounter() {
        std::ifstream infile("score.txt");
        infile >> totalCounter;
    }
 
    inline void saveTotalCounter() {
        std::ofstream outfile("score.txt");
        outfile << totalCounter;
    }   
 
  private:
 
    int totalCounter;
};

void C_GameCicle::startPoint() {
     callFunctionsForScene_1();
     callFunctionsForScene_2();
}
 
void C_GameCicle::callFunctionsForScene_1() {
    o_loadImages_C_GameCicle.loadImagesScene_1();
    o_drawScene_C_GameCicle.drawScene_1
        (&o_initSurfaces_C_GameCicle, &o_loadImages_C_GameCicle);
    o_sceneElements_C_GameCicle.scene_1_events
        (&o_initSurfaces_C_GameCicle, &o_loadImages_C_GameCicle);
    o_loadImages_C_GameCicle.quitImagesScene_1();   
}
 
void C_GameCicle::callFunctionsForScene_2() {
    o_loadImages_C_GameCicle.loadImagesScene_2();
    o_loadImages_C_GameCicle.ttfInit();
 
    o_drawScene_C_GameCicle.drawScene_2
        (&o_initSurfaces_C_GameCicle, &o_loadImages_C_GameCicle);
    o_drawScene_C_GameCicle.drawBeaver
        (&o_initSurfaces_C_GameCicle, &o_loadImages_C_GameCicle);
    o_sceneElements_C_GameCicle.scene_2_events
        (&o_initSurfaces_C_GameCicle, &o_loadImages_C_GameCicle);
 
    o_loadImages_C_GameCicle.ttfQuit();
    o_loadImages_C_GameCicle.quitImagesScene_2();
}