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

struct Person {
    std::string name;
    int age;
};

int main() {
    int numPersons;
    std::cout << "Enter the number of persons: ";
    std::cin >> numPersons;

    std::ofstream outFile("persons.txt");

    for (int i = 0; i < numPersons; ++i) {
        Person p;
        std::cout << "Enter name for person " << i + 1 << ": ";
        std::cin >> p.name;
        std::cout << "Enter age for person " << i + 1 << ": ";
        std::cin >> p.age;

        outFile << p.name << ' ' << p.age << std::endl;
    }

    outFile.close();

    std::ifstream inFile("persons.txt");

    std::vector<Person> persons;
    Person tempPerson;

    while (inFile >> tempPerson.name >> tempPerson.age) {
        persons.push_back(tempPerson);
    }

    inFile.close();

    auto minAge = std::min_element(persons.begin(), persons.end(), [](const Person &a, const Person &b) {
        return a.age < b.age;
    });

    auto maxAge = std::max_element(persons.begin(), persons.end(), [](const Person &a, const Person &b) {
        return a.age < b.age;
    });

    std::ofstream resultsFile("results.txt");

    resultsFile << "Youngest Person: " << minAge->name << ", Age: " << minAge->age << std::endl;
    resultsFile << "Oldest Person: " << maxAge->name << ", Age: " << maxAge->age << std::endl;

    resultsFile.close();

    return 0;
}

● بالانجليزية:

● بالعربية:

- Flutter, Dart
- Xamarin, C#