lab8/ex.3

#include <string>
#include <iostream>
#include <map>
#include <fstream>
#include <sstream>
using namespace std;

int main()
{
    ifstream fin("intrare.txt"); // fisierul de intrare
    if (!fin)
    {
        cout << "Nu se gaseste fisierul de intrare.\n";
        return -1;
    }

    ofstream fout("rezultat.txt"); // fisierul de iesire


    map<unsigned, map<string, unsigned>> M;




    unsigned i = 0; //nr de linie

    string linie;
    while (!fin.eof())
    {
        getline(fin, linie);
        stringstream ss(linie);

        string cuv;
        map<string, unsigned> aux;

        while (!ss.eof())
        {
            aux.clear();

            ss >> cuv;

            pair<map<string, unsigned>::iterator, bool> ret;

            ret = aux.insert(pair<string, unsigned>(cuv, 1));

            if (ret.second == false)
            {
                //suntem la cel putin a 2-a aparitie
                ret.first->second++;

                //ret.second este true daca exista deja cuvantul
                //ret.second este false daca nu exista cuvantul
                //ret.first este iteratorul (pointerul) catre pereche
            }
        }

        M.insert(pair<unsigned, map<string, unsigned>>(i, aux));
        i++;
    }

    map<unsigned, map<string, unsigned>>::iterator itM; //iterator pentru Map-ul mare
    map<string, unsigned>::iterator itm; //iterator pentru Map-ul mic

    for (itM = M.begin(); itM != M.end(); ++itM)
    {
        fout << "Linia " << itM->first << endl;
        for (itm = itM->second.begin(); itm != itM->second.end(); ++itm)
        {
            fout << itm->first << " " << itm->second;
        }
    }






    fin.close();
    fout.close();

    cout << "Gata. Vezi rezultatul in fisier.";

    return 0;
}