#include <iostream>
#include <vector>
#include <functional>

int main() {
    std::vector<std::function<void()>> funcs;

    for (int i = 0; i < 10; ++i) {
        int captured_i = i;
        funcs.push_back([captured_i]() {
            std::cout << captured_i << std::endl;
        });
    }

    for (auto& func : funcs) {
        func();
    }

    return 0;
}