Задача с использованием class Tchild про количество игрушек меньше y.

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

class Tchild {
public:
    string name, toys[10];
    int b_year, cnt;
public:
    void print(unsigned short isCount = -1) {
        if(cnt < isCount) {
            cout << name << "(" << b_year << "): ";
            for(int i = 0; i < cnt; i++) {
                if(i != 0)
                    cout << ", ";
                cout << toys[i];
            }
            cout << '.' << endl;
        }
    }
    bool has_toy(string check_toy) {
        for(string toy : toys) {
            if(toy == check_toy)
                return true;
        }
        return false;
    }
};

int main() {
    setlocale(LC_ALL, "Russian");
    ifstream in("input.txt");
    int N;
    in >> N;
    in.ignore();
    Tchild children[N];
    for(int i = 0; i < N; i++) {
        Tchild child;
        getline(in, child.name);
        in >> child.b_year;
        in >> child.cnt;
        in.ignore();
        for(int j = 0; j < child.cnt; j++) {
            getline(in, child.toys[j]);
        }
        children[i] = child;
    }
    for(Tchild child : children) {
        child.print(4);
    }
    return 0;
}