#include <iostream.h>
 
struct temperature_node 
{
	int day;
	float temperature;
	temperature_node *next;
};
 
int day_counter = 0;
 
temperature_node *head_ptr;
temperature_node *current_ptr;
 
int get_temp(int days, float &temp);
void show_temps();
void remove_temps();
void add_temp(int days, float temp);
void move_c_to_end();
 
int main()
{
	int days;
	float temp;
 
	cout << "enter the days for which you have data ";
    cin >> days;
 
	if(get_temp(days, temp))
	{
		head_ptr = new temperature_node;
		head_ptr->day = days;
		head_ptr->temperature = temp;
		head_ptr->next = NULL;
	while(get_temp(days, temp))
		{
			add_temp(days, temp);
		}
	show_temps();
	remove_temps();
	}
return 0;
}
 
int get_temp(int days, float &temp)
{
	int keep_data = 1;
 
    if(day_counter == days)
	{
		keep_data = 0;
	}
	else
	{
		days = day_counter + 1;
		cout << days;
		cout << "enter the temperature for day " << day_counter + 1 << endl;
		cin >> temp;
		day_counter++;
	}
	return(keep_data);
}
 
void add_temp(int days, float temp)
{
	temperature_node *new_rec_ptr;
	new_rec_ptr = new temperature_node;
 
	new_rec_ptr->day = days;
	new_rec_ptr->temperature = temp;
	new_rec_ptr->next = NULL;
 
	move_c_to_end();
	current_ptr->next = new_rec_ptr;
}
 
void move_c_to_end()
{
	current_ptr = head_ptr;
 
	while(current_ptr->next != NULL)
	{
		current_ptr = current_ptr->next;
	}
}
 
void show_temps()
{
	current_ptr = head_ptr;
 
	do
	{
		cout << current_ptr->day << "         ";
		cout << current_ptr->temperature << endl;
	} while(current_ptr != NULL);
}
 
void remove_temps()
{
	temperature_node *temporary_ptr;
 
	current_ptr = head_ptr;
 
	do
	{
		temporary_ptr = current_ptr->next;
		delete current_ptr;
		current_ptr = temporary_ptr;
	}while(temporary_ptr != NULL);
}