#include<iostream>
#include<map>
#include<string>
#include<conio.h>
#include<cstring>
using namespace std ;
class event
{
    private :
    map <int,string> e ;
    public :
                void add_event()
                {
                        string ch ;
                        int a , test= 0;
                        cout<<"Donner l'annee de l'evenement : " ;
                        cin>>a ;
                        cout<<"Donner l'evenement : " ;
                        cin>>ch;
                        for (std::map<int,string>::iterator it=e.begin(); it!=e.end(); ++it)
                if(it->first==a)
                        {
                                it->second = it->second + ch + "#" ;
                                test = 1;
                        }

                        if(test == 0)
            {
                    e.insert(map<int,string>::value_type(a,ch+"#"));
            }
                }
                void afficher ()
                {
                        for (std::map<int,string>::iterator it=e.begin(); it!=e.end(); ++it)
                                std::cout << it->first << " : " << it->second << '\n';
                }
                void find_event_by_date(int x)
                {
                        if(e.empty())
                                cout<<"Empty map \n" ;
                        else
                        {
                 for (std::map<int,string>::iterator it=e.begin(); it!=e.end(); ++it)
                     if(it->first==x)
                                        {
                            string subevent ="";
                            for(int i = 0; i < (it->second).length(); i++)
                            {
                                if(it->second.at(i) != '#')
                                {
                                    subevent = subevent + it->second.at(i);
                                }
                                else
                                {
                                    cout<<x<<" : "<<subevent<<"\n" ;
                                    subevent = "";
                                }
                            }
                                        }
                        }
                }
                void modify_event(int x)
                {
                        string ch ;
                        if(e.empty())
                                cout<<"Empty map \n" ;
                        else
                        {
                 for (std::map<int,string>::iterator it=e.begin(); it!=e.end(); ++it)
                     if(it->first==x)
                                        {
                                        cout<<"Donner l'evenement : " ;
                                        cin>>it->second ;
                                        }
                        }
    }

};
main()
{
    event a ;
    char x='o';
    int annee;
    while(x == 'o')
    {
        a.add_event() ;
        cout<<"Voulez vous ajouter un autre evenement ? (o/n)\n";
        x = getch();
    }
    cout<<"La liste des evenemements :\n";
    a.afficher();
    a.find_event_by_date(2003);
    cout<<"Donner l'annee a modifier : "; cin>>annee;
    a.modify_event(annee);


}