View difference between Paste ID: GnY7nJhE and m6ZE3GW7

 #include <cstdlib>
 #include <iostream>
 #include <string>
 #include <vector>
 #include <algorithm>
 
 using namespace std;
 
-typedef struct {
+struct date
 {
 	unsigned int day;
 	unsigned int month;
-} date;
+
 
-typedef struct {
+	bool operator == (const date& d1)const 			/* We overload the == operator for later use */
 	{
 		return ((d1.month == month) && (d1.day == day));
-} friend_pair;
+
 };
-void print_friend_pair (friend_pair current) {
+
-	cout << current.name << ": " << current.birthdate.day << "/" << current.birthdate.month << "/" << current.birthdate.year << endl;
+struct friend_pair
-}
+{
 	date birthdate;
-bool date_order (friend_pair first, friend_pair second) {		/* Orders two dates without paying attention to the year */
+
 
 	void print_friend_pair ()
 	{
 		cout << name << ": " << birthdate.day << "/" << birthdate.month << "/" << birthdate.year << endl;
 	};
-		fst = first.birthdate;
+	bool operator < (const friend_pair & second)const	/* We overload the < operator for later use */
 	{							/* Orders two dates without paying attention to the year */
 		date fst;
-		if (fst.month < snd.month) {
+
 
 		bool result;
 
 		fst = birthdate;
 		snd = second.birthdate;
 
 		if (fst.month < snd.month)
 		{
 			result = true;
-}
+
 			result = false;
-class FriendsGroup {
+
 			result = true;
 		} else {
 			result = false;
-	bool equal_date (friend_pair first, friend_pair second) {	/* Checks if the day and month of two dates coincide */
+
 		return result;
 	};
 };
-		fst = first.birthdate;
+
 class FriendsGroup
 {
-		return (fst.month == snd.month && fst.day == snd.day);
+
 	vector<friend_pair> friend_list;
 	int friend_amount;
-	void add_friend (date birthdate, string friend_name) {
+
 	public:
 	void add_friend (date birthdate, string friend_name)
 	{
 		++ friend_amount;
 		friend_list.resize (friend_amount);
 
 		friend_pair new_friend;
 		new_friend.birthdate = birthdate;
 		new_friend.name = friend_name;
-	void get_new_friend () {
+
 		friend_list[friend_amount-1] = new_friend;
 	};
 	void get_new_friend ()
 	{
 		string friend_name;
 		date birthdate;
 
 		cout << "Enter the Name \n";
 		cin >> friend_name;
-		while (birthdate.day > 31 || birthdate.month > 12) {
+
 		cout << "Enter the Date, separated by spaces (dd mm yyyy) \n";
 		cin >> birthdate.day >> birthdate.month >> birthdate.year;
 
 		while (birthdate.day > 31 || birthdate.month > 12)
 		{
 			cout << "Please input the date again, separated by spaces (dd mm yyyy) \n";
 			cin >> birthdate.day >> birthdate.month >> birthdate.year;
-	void initialize () {
+
 		add_friend (birthdate, friend_name);
 	};
-	void show () {
+	void show ()
 	{
 		int i;
 		int printing;
 		friend_pair current;
 		friend_pair next;
 
-		std::sort (friend_list.begin(), friend_list.end(), date_order);
+		if (friend_amount == 0)			/* If there are no friends to show, do nothing */
 		{
 			return;
 		}
-		for (i=1; i<friend_amount; i++) {
+
 		std::sort (friend_list.begin(), friend_list.end() );
-			if (equal_date(current, next) ){
+
-				print_friend_pair (current);
+
 		current = friend_list[0];
 		for (i=1; i<friend_amount; i++)
 		{
-				if (printing == 1) {
+
-					print_friend_pair (current);
+			if (current.birthdate == next.birthdate)
 			{
 				current.print_friend_pair ();
 				printing = 1;
 				current = next;
 			} else {
 				if (printing == 1)
 				{
-		if (printing == 1) {
+					current.print_friend_pair ();
-			print_friend_pair (current);
+
 					printing = 0;
 				} else {
 					current = next;
 				}
-int main (void) {
+
-	FriendsGroup * people;
+
-	people = new (FriendsGroup);
+		if (printing == 1)
 		{
 			current.print_friend_pair ();
 		}
-	status = "Recieving";
+
 	FriendsGroup()
-	while (status == "Recieving") {
+	{
 		friend_amount = 0;
 		friend_list.resize (friend_amount);
 	};
-		if (input == "Exit") {
+
 
 int main (void)
-			people -> show();
+{
 	FriendsGroup people;
-			people -> get_new_friend ();
+
 	string input;
 
 	status = "Receiving";
 
 	while (status == "Receiving")
-	delete (people);
+	{
 		cout << "Choose your action: Add, Show, Exit \n";
 		cin >> input;
 
 		if (input == "Exit")
 		{
 			status = "Exit";
 		} else if (input == "Show") {
 			people.show();
 		} else if (input == "Add") {
 			people.get_new_friend ();
 		} else {
 			cout << "That is not a valid input \n";
 		}
 	}
 
 	return 0;
 }