Olinfo/catalogo.cpp at main · Nataso08/Olinfo · GitHub

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/*#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

vector<vector<long long int>> libri (2, vector<long long int> (0));

void aggiungi (long long int id) {
    if (find (libri[0].begin(), libri[0].end(), id) == libri[0].end()) {
        libri[0].push_back(id);
        libri[1].push_back(1);
    } else {
        int p = find (libri[0].begin(), libri[0].end(), id) - libri[0].begin();
        libri[1][p] ++;
    }
}

void togli (long long int id) {
    int p = find (libri[0].begin(), libri[0].end(), id) - libri[0].begin();
    libri[1][p] --;
}

int conta (long long int id) {
    vector<long long int>::iterator p = find (libri[0].begin(), libri[0].end(), id);
    if (p != libri[0].end()) {
        return libri[1][p-libri[0].begin()];
    } else {
        return 0;
    }
}*/


#include <iostream>
#include <map>
using namespace std;

std::map<string, int> book;

void aggiungi(long long int id) {
    book[to_string(id)] ++;
}

void togli(long long int id) {
    book[to_string(id)] --;
}

int conta(long long int id) {
    return book[to_string(id)];
}