PrAlgo18

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <iterator>
#include <algorithm>

using namespace std;


struct toy
{
    int index;
    string name;
    int price;
    int age;
};

/* for_each and lambda unwrap to this function:

void my_for_each(vector<toy> toys, void* lambdaf) {
 for (vector<toy>::iterator a = toys.begin(); a != toys.end(); ++a)
    lambdaf(*a, **hooked_kwargs);
 }

void lambdaf(toy& a, vecotr<int>& answer, int x, int y) {
    if (a.age >= x && a.age <= y)
        answer.push_back(a.index);
 }

void final_unwrap(vector<toy> toys, vector<int>& answer, int x, int y) {
    for (vector<toy>::iterator it = toys.begin(); it != toys.end(); ++it) {
        if ((*it).age >= x && (*it).age <= y)
            answer.push_back((*it).index);
    }
}
 */

int main(void)
{
    ifstream in("/Users/masha/Documents/PrAlgo18/PrAlgo18/input");
    //ifstream in("input.txt");
    //ofstream out("output.txt");
    vector<toy> toys;
    int x,y,n;
    in >> n;

    toy t;
    for (int i = 0; i < n; i++)
    {
        in >> t.name >> t.price >> t.age;
        t.index = i + 1;
        toys.push_back(t);
    }

    in >> x >> y;

    vector<int> answer;


    for_each(toys.begin(), toys.end(), [&answer, x, y](toy a) { if (a.age >= x && a.age <= y) answer.push_back(a.index);});

    cout << answer.size() << endl;
    for (int i = 0; i < answer.size(); i++) cout << answer[i] << endl;
    return 0;
}