map multimap lab oop work

map_multimap_210915.cpp

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

typedef map<string, int> word_count_list;
typedef multimap<int, string> word_count_list2;

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    word_count_list2 word_count2;
    ifstream file("/home/oleg/untitled2/input.txt");
    string word;
    while (file >> word)
    {
        int index;
        while ((index = word.find_first_of(".,!?\\;-*+")) != string::npos)
        {
            word.erase(index, 1);
        }
        bool found = false;
        for (word_count_list2::iterator iter=word_count2.begin(); iter!=word_count2.end(); iter++){
            if(iter->second==word)
            {
                word_count2.erase(iter);
                word_count2.insert(make_pair(iter->first+1,word));
                found = true;
                break;
            }
        }
        if (!found) word_count2.insert(make_pair(1, word));
    }
    word_count_list2::const_iterator current(word_count2.begin());

    while (current != word_count2.end())
    {
        cout <<current->first<< " " << current->second << endl;
        ++current;
    }
    /*word_count_list word_count;
    ifstream file("/home/oleg/untitled2/input.txt");
    string word;
    while (file >> word)
    {
        int index;
        while ((index = word.find_first_of(".,!?\\;-*+")) != string::npos)
        {
            word.erase(index, 1);
        }

        ++word_count[word];
    }
    word_count_list::const_iterator current(word_count.begin());

    while (current != word_count.end())
    {
        cout <<current->first<< " " << current->second << endl;
        ++current;
    }*/
    return a.exec();
}