#include <iostream>
using namespace std;

/*struct Player{

    char *last_name;
    char *first_name;
    int score;
};

struct Country{

    char *name;
    int nr_players;
    int global_score;
    Player *player;
};*/

struct Country{

    int k;
};

struct Nod{

    Country c;
    Nod *next;
    Nod *prev;
};

Nod * init(){

    Nod *initialized = new Nod;

    initialized -> c.k = 0;
    initialized -> next = NULL;
    initialized -> prev = NULL;

    return initialized;
}

struct List{

    Nod *sentinel = init();
};

void add(List *l, Country ct){

    Nod *to_add = init();
    to_add -> c = ct;

    if(l -> sentinel -> next = NULL){

        l -> sentinel -> next = to_add;
        l -> sentinel -> prev = to_add;

        to_add -> next = l -> sentinel;
        to_add -> prev = l -> sentinel;
    }
    else{

        l -> sentinel -> prev -> next = to_add;
        to_add -> prev = l -> sentinel -> prev;
        to_add -> next = l -> sentinel;
        l -> sentinel -> prev = to_add;
    }

}

int main(){



    return 0;