#include <time.h>
#include <string>
#include <stdio.h>
#include <stdlib.h>

#define N 20

struct student {
	int year;
	char male;
	std::string name;
};

student* FillData(int n) {
	srand(time(NULL));
	if (n > 20) n = 20;
	student* result = new struct student [n];
	for (int i = 0; i < n; i++) {
		switch (i) {
			case 0:
				result[i].name = "Арапов";
				result[i].male = 'M';
				break;
			case 1:
				result[i].name = "Бабченков";
				result[i].male = 'M';
				break;
			case 2:
				result[i].name = "Бильданов";
				result[i].male = 'M';
				break;
			case 3:
				result[i].name = "Большаков";
				result[i].male = 'M';
				break;
			case 4:
				result[i].name = "Гаврилов";
				result[i].male = 'M';
				break;
			case 5:
				result[i].name = "Ефимова";
				result[i].male = 'F';
				break;
			case 6:
				result[i].name = "Замащиков";
				result[i].male = 'M';
				break;
			case 7:
				result[i].name = "Зуев";
				result[i].male = 'M';
				break;
			case 8:
				result[i].name = "Комаров";
				result[i].male = 'M';
				break;
			case 9:
				result[i].name = "Коренева";
				result[i].male = 'F';
				break;
			case 10:
				result[i].name = "Козлова";
				result[i].male = 'F';
				break;
			case 11:
				result[i].name = "Кузнецов";
				result[i].male = 'M';
				break;
			case 12:
				result[i].name = "Mатуляк";
				result[i].male = 'M';
				break;
			case 13:
				result[i].name = "Mоргулян";
				result[i].male = 'M';
				break;
			case 14:
				result[i].name = "Николаев";
				result[i].male = 'M';
				break;
			case 15:
				result[i].name = "Панас";
				result[i].male = 'M';
				break;
			case 16:
				result[i].name = "Петров";
				result[i].male = 'M';
				break;
			case 17:
				result[i].name = "Рауткин";
				result[i].male = 'M';
				break;
			case 18:
				result[i].name = "Самуров";
				result[i].male = 'M';
				break;
			case 19:
				result[i].name = "Старченко";
				result[i].male = 'M';
				break;
		}
		result[i].year = 1990 + rand() % 10;
	}
	return result;
}

int main() {
	FILE* file1 = fopen("full.txt", "w");
	FILE* file2 = fopen("filtered.txt", "w");
	student* data = FillData(N);
	for (int i = 0; i < N; i++) {
		fprintf(file1, "%s %d %c\n", data[i].name.c_str(), data[i].year, data[i].male);
	}
	for (int i = 0; i < N; i++) {
		if (data[i].male == 'M' && data[i].year < 1996)
			fprintf(file2, "%s %d %c\n", data[i].name.c_str(), data[i].year, data[i].male);
	}
	delete [] data;
	fclose(file1);
	fclose(file2);
}