Hogyan lehet txt-ből beolvasott adatokat rendszerezve tárolni C++ -ban? (struktúrával? )

#include <string>

#include <iostream>

#include <map>

#include <fstream>

#include <algorithm>

using std::cout;

using std::endl;

using std::string;

using std::multimap;

using std::ifstream;

using std::min;

typedef multimap<string, string> TCompetitorList;

typedef TCompetitorList::value_type TCompetitor;

typedef TCompetitorList::iterator TIterator;

const string FileName = "input.txt";

int GetScore(const string & Answer, const string & CorrectAnswer);

int main()

{

    TCompetitorList Competitors;

    string CorrectAnswer;

    string Code;

    string Answer;

    TIterator i;

    int Score;

    ifstream fin;

    fin.open(FileName.c_str());

    if (fin.is_open()) {

        fin >> CorrectAnswer;

        while (not fin.eof()) {

            fin >> Code;

            fin >> Answer;

            Competitors.insert(TCompetitor(Code, Answer));

        }

        fin.close();

    }

    cout << "CorrectAnswer: " << CorrectAnswer << endl;

    for (i = Competitors.begin(); i != Competitors.end(); i++) {

        Code = i->first;

        Answer = i->second;

        Score = GetScore(Answer, CorrectAnswer);

        cout << "Code: " << Code << "\t";

        cout << "Answer: " << Answer << "\t";

        cout << "Score: " << Score << endl;

    }

    return 0;

}

int GetScore(const string & Answer, const string & CorrectAnswer)

{

    int i;

    int n = min(Answer.length(), CorrectAnswer.length());

    int Score = 0;

    for (i = 0; i < n; i++) {

        if (Answer[i] == CorrectAnswer[i]) {

            Score++;

        }

    }

    return Score;

}