#include <bits/stdc++.h>
#define all(x) begin(x),end(x)
using namespace std;

struct Data {
    // pjri gnva
    const std::type_info &typeInfo;
    char *bytes = nullptr;

    template<typename T>
    explicit Data(T &x)
            : typeInfo(typeid(x)) {
        bytes = new char[sizeof(x)];
        memcpy(bytes, reinterpret_cast<char *>(&x), sizeof(x));
    }

    template<typename T>
    T *get() {
        if (typeInfo.hash_code() == typeid(T).hash_code()) {
            return reinterpret_cast<T *>(bytes);
        }
        return (T *) nullptr;
    }
};

struct MyType {
} myTypeElement;

void solve() {
    vector<Data> elements;
    int n = 50;
    string a = "rwqerqwe";
    set<int> kek;
    vector<double> vec;
    vector<Data> data;
    data.emplace_back(n);
    data.emplace_back(a);
    data.emplace_back(kek);
    data.emplace_back(vec);
    data.emplace_back(myTypeElement);
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    solve();
}