#include "stdafx.h"
#include<stdlib.h>
#include<string.h>
struct Date
{
	int day;
	int month;
	int year;
};
struct Student
{	
	char firstName[20];
	char lastName[30];
	Date dateOfBirth;
};
Student ReadStudent()
{
	Student newStud;
	printf("  firstName: ");
	gets_s(newStud.firstName);
	printf("  lastName: ");
	gets_s(newStud.lastName);
	printf("  day: ");
	scanf("%d", &newStud.dateOfBirth.day);
	printf("  month: ");
	scanf("%d", &newStud.dateOfBirth.month);
	printf("  year: ");
	scanf("%d", &newStud.dateOfBirth.year);
	getchar();
	return newStud;
}
void PrintStudent(Student stud)
{
	printf("%s %s (%d-%d-%d)\n", stud.firstName, 
		stud.lastName, stud.dateOfBirth.day, 
		stud.dateOfBirth.month, stud.dateOfBirth.year);
}
void PrintStudents(Student *arr, int count)
{
	for (int i = 0; i < count; i++)
	{
		printf("arr[%d]: ", i);
		PrintStudent(arr[i]);
	}
}
int DisplayMenu()
{
	int num;
	printf("------ Menu --------\n");
	printf("1. Input students array\n");
	printf("2. Display students array\n");	
	printf("3. Search student by birth year\n");
	printf("0. Exit\n");
	printf("-> ");
	scanf("%d", &num);
	return num;
}
int main()
{
	Student arr[100];
	int count;
	int num;
	do
	{
		num = DisplayMenu();
		switch (num)
		{
		case 1:
			printf("Count : ");
			scanf("%d", &count);
			getchar();
			for (int i = 0; i < count; i++)
			{
				printf("--- arr[%d] ---\n", i);
				arr[i] = ReadStudent();
			}
			break;
		case 2:
			PrintStudents(arr, count);
		case 3:
			int year;
			int resCount = 0;
			printf("Year: ");
			scanf("%d", &year);
			for (int i = 0; i < count; i++)
				if (arr[i].dateOfBirth.year == year)
				{
					PrintStudent(arr[i]);
					resCount++;
				}
			if (resCount == 0)
				printf("...........Message.... \n");
		}
	} while (num != 0);
	return 0;
}