start from scratch

94 files changed, 3 insertions, 3505 deletions

diff --git a/Big4_and_composition/Airlines_booking_system/Airline.cpp b/Big4_and_composition/Airlines_booking_system/Airline.cpp
deleted file mode 100644
index f5dd3e3..0000000
--- a/Big4_and_composition/Airlines_booking_system/Airline.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include "Airline.h"
-
-int Airline::firstFreeIndex()
-{
-	for (int i = 0; i < MAXFLIGHTS; i++)
-	{
-		if (fl[i] == nullptr)
-			return i;
-	}
-	return -1;
-}
-void Airline::CopyFrom(const Airline& other)
-{
-	name = new char[strlen(other.name) + 1]; //Копираме именето
-	strcpy(name, other.name);
-
-	for (int i = 0; i < MAXFLIGHTS; i++)
-	{
-		if (other.fl[i] == nullptr)
-			fl[i] = nullptr;
-		else
-		{
-			fl[i] = new Flight(*other.fl[i]); //извикваме копи контруктора на обектите.
-		}					  // Понеже в other.fl[i] e указател, то трябва да го 'дерефрираме'.	
-	}
-}
-void Airline::Free()  //трябва да изтрием името и всички обекти, към които сочат указателите
-{
-	delete[] name;
-	for (int i = 0; i < MAXFLIGHTS; i++) 
-		delete fl[i]; //някои указатели може да имат стойност nullptr, но това няма да доведе до грешка.
-}
-
-
-Airline::Airline(const char* name)
-{
-	this->name = new char[strlen(name) + 1];
-	strcpy(this->name, name);
-
-	for (int i = 0; i < MAXFLIGHTS; i++)
-		fl[i] = nullptr; 
-}
-
-bool Airline::addFlight(const char* originAirportName, const char* originAirportId,
-	const char* destAirportName, const char* destAirportId, int durration)
-{
-	int ind = firstFreeIndex();
-
-	if (ind == -1) //няма свободни места.
-		return false;
-
-	fl[ind] = new Flight(originAirportName, originAirportId, destAirportName, destAirportId, durration);
-	return true;
-
-}
-bool Airline::addFlight(const Flight& other)
-{
-	int ind = firstFreeIndex();
-
-	if (ind == -1)//няма свободни места.
-		return false; 
-	fl[ind] = new Flight(other);
-	return true;
-}
-Airline::Airline(const Airline& other)
-{
-	CopyFrom(other);
-}
-Airline& Airline::operator=(const Airline& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-Airline::~Airline()
-{
-	Free();
-}
-bool Airline::containsJourney(const char* originID, const char* destID)
-{
-	//TODO -> fix cycles
-	if (strcmp(originID, destID))
-		return true;
-	
-	bool solution = false;
-
-	for (int i = 0; i < MAXFLIGHTS && !solution; i++)
-	{
-		if (fl[i] != nullptr)
-		{
-			if (strcmp(fl[i]->getOrigin().getId(), originID) == 0)
-				solution = solution || containsJourney(fl[i]->getDestination().getId(), destID);
-		}
-	}
-	return false;
-}
-void Airline::print()
-{
-	for (int i = 0; i < MAXFLIGHTS; i++)
-	{
-		if (fl[i])
-		{
-			std::cout << "Flight: ";
-			fl[i]->print();
-		}
-	}
-}
diff --git a/Big4_and_composition/Airlines_booking_system/Airline.h b/Big4_and_composition/Airlines_booking_system/Airline.h
deleted file mode 100644
index 0a8f34c..0000000
--- a/Big4_and_composition/Airlines_booking_system/Airline.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "Flight.h"
-
-const int MAXFLIGHTS = 10;
-
-class Airline
-{
-	char* name;
-	Flight* fl[MAXFLIGHTS]; //масив от указатели към обекти от тип Flight.
-
-	int firstFreeIndex();
-
-	void CopyFrom(const Airline& other);
-	void Free();
-
-public:
-	Airline(const char* name);
-	Airline(const Airline& other);
-	Airline& operator=(const Airline& other);
-	~Airline();
-
-	bool addFlight(const char* originAirportName, const char* originAirportId,
-		const char* destAirportName, const char* destAirportId, int durration);
-	bool addFlight(const Flight& other);
-
-	bool containsJourney(const char* origin, const char* dest);
-
-	void print();
-};
diff --git a/Big4_and_composition/Airlines_booking_system/Airport.cpp b/Big4_and_composition/Airlines_booking_system/Airport.cpp
deleted file mode 100644
index d9f0c25..0000000
--- a/Big4_and_composition/Airlines_booking_system/Airport.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-#include "Airport.h"
-
-Airport::Airport(const char* cityName,const char* id)
-{
-	this->cityName = new char[strlen(cityName) + 1];
-	strcpy(this->cityName, cityName);
-
-	strcpy(this->id, id);
-}
-
-void Airport::CopyFrom(const Airport& other)
-{
-	cityName = new char[strlen(other.cityName) + 1];
-	strcpy(cityName, other.cityName);
-
-	strcpy(id, other.id); //въпреки че не е динамично заделен, се налага до разпишем ръчно копирането, защото го разписваме за другите член-данни в класа. 
-}
-
-void Airport::Free()
-{
-	delete[] cityName;
-}
-
-Airport::Airport(const Airport& other)
-{
-	CopyFrom(other);
-}
-
-Airport& Airport::operator=(const Airport& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-
-}
-
-Airport::~Airport()
-{
-	Free();
-}
-
-const char* Airport::getId() const
-{
-	return id;
-}
-const char* Airport::getCityName() const
-{
-	return cityName;
-}
-void Airport::print() const
-{
-	std::cout << cityName << '(' << id << ')';
-}
diff --git a/Big4_and_composition/Airlines_booking_system/Airport.h b/Big4_and_composition/Airlines_booking_system/Airport.h
deleted file mode 100644
index 98b3547..0000000
--- a/Big4_and_composition/Airlines_booking_system/Airport.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <iostream>
-
-class Airport
-{
-
-	char* cityName;
-	char id[4];
-
-	void CopyFrom(const Airport& other);
-	void Free();
-
-public:
-
-	Airport(const char* cityName,const  char* id);
-	Airport(const Airport& other);
-	Airport& operator=(const Airport& other);
-	~Airport();
-
-	const char* getId() const;
-	const char* getCityName() const;
-	void print() const;
-};
\ No newline at end of file
diff --git a/Big4_and_composition/Airlines_booking_system/Flight.cpp b/Big4_and_composition/Airlines_booking_system/Flight.cpp
deleted file mode 100644
index b7436a3..0000000
--- a/Big4_and_composition/Airlines_booking_system/Flight.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#include "Flight.h"
-
-Flight::Flight(const char* originAirportName, const char* originAirportId,
-	const char* destAirportName, const char* destAirportId, int durration) : origin(originAirportName, originAirportId), dest(destAirportName,destAirportId)
-{
-	this->durration = durration;
-}
-
-Flight::Flight(const Airport& _origin, const Airport& _dest, int durration) : origin(_origin), dest(_dest)
-{
-	this->durration = durration;
-}
-const Airport& Flight::getOrigin()
-{
-	return origin;
-}
-const Airport& Flight::getDestination()
-{
-	return dest;
-}
-void Flight::print() const
-{
-	origin.print();
-	std::cout << "-->";
-	dest.print();
-	std::cout << std::endl;
-}
\ No newline at end of file
diff --git a/Big4_and_composition/Airlines_booking_system/Flight.h b/Big4_and_composition/Airlines_booking_system/Flight.h
deleted file mode 100644
index 177aeaa..0000000
--- a/Big4_and_composition/Airlines_booking_system/Flight.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#include "Airport.h"
-
-class Flight
-{
-
-
-	Airport origin;
-	Airport dest;
-	int durration;
-
-public:
-	Flight(const char* originAirportName, const char* originAirportId,
-		const char* destAirportName, const char* destAirportId, int durration);
-
-	Flight(const Airport& origin,const Airport& dest, int durration);
-
-	const Airport& getOrigin();
-	const Airport& getDestination();
-
-	void print() const;
-};
\ No newline at end of file
diff --git a/Big4_and_composition/Airlines_booking_system/Source.cpp b/Big4_and_composition/Airlines_booking_system/Source.cpp
deleted file mode 100644
index 6d84dbd..0000000
--- a/Big4_and_composition/Airlines_booking_system/Source.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-
-#include "Airline.h"
-
-
-
-int main()
-{
-
-	Airline a("Lufthansa");
-	a.addFlight("Sofia", "SOF", "Berlin", "TGL", 33);
-
-	a.addFlight("Berlin", "TGL", "London", "LTN", 55);
-
-	a.addFlight("London", "LTN", "Sofia", "SOF", 66);
-
-	a.addFlight("Berlin", "SCH", "Sofia", "SOF", 51);
-
-	a.addFlight("London", "LTN", "Moscow", "MSC", 96);
-
-	a.print();
-	
-
-} 
\ No newline at end of file
diff --git a/Big4_and_composition/test b/Big4_and_composition/test
deleted file mode 100644
index 9daeafb..0000000
--- a/Big4_and_composition/test
+++ /dev/null
@@ -1 +0,0 @@
-test
diff --git a/Big4_and_inheritance/Drinks/AlcoholDrink.cpp b/Big4_and_inheritance/Drinks/AlcoholDrink.cpp
deleted file mode 100644
index 0e20087..0000000
--- a/Big4_and_inheritance/Drinks/AlcoholDrink.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "AlcoholDrink.h"
-
-
-
-AlcoholDrink::AlcoholDrink(const char* mark, int ml, int percentAlcohol) : Drink(mark,ml)
-{
-	setAlcohol(percentAlcohol);
-}
-void AlcoholDrink::setAlcohol(int alcohol)
-{
-	if (alcohol < 4 || alcohol>98)
-		alcohol = 20;
-	percentAlcohol = alcohol;
-}
-int AlcoholDrink::getAlcohol() const
-{
-	return percentAlcohol;
-}
diff --git a/Big4_and_inheritance/Drinks/AlcoholDrink.h b/Big4_and_inheritance/Drinks/AlcoholDrink.h
deleted file mode 100644
index 0bd1d10..0000000
--- a/Big4_and_inheritance/Drinks/AlcoholDrink.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-
-#include "Drink.h"
-
-class AlcoholDrink : public Drink
-{
-private:
-	int percentAlcohol;
-
-public:
-	AlcoholDrink(const char* mark, int ml, int percentAlcohol);
-	void setAlcohol(int alcohol);
-	int AlcoholDrink::getAlcohol() const;
-};
diff --git a/Big4_and_inheritance/Drinks/Drink.cpp b/Big4_and_inheritance/Drinks/Drink.cpp
deleted file mode 100644
index 709446b..0000000
--- a/Big4_and_inheritance/Drinks/Drink.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#include "Drink.h"
-
-
-void Drink::CopyFrom(const Drink& other)
-{
-	int len = strlen(other.mark);
-	mark = new char[len + 1];
-	strcpy(mark, other.mark);
-
-	ml = other.ml;
-}
-void Drink::Free()
-{
-	delete[] mark;
-	ml = 0;
-}
-
-Drink::Drink()
-{
-	mark = new char[6];
-	strcpy(mark, "Water");
-	ml = 500;
-}
-Drink::Drink(const char* mark, int ml)
-{
-	int len = strlen(mark);
-	this->mark = new char[len + 1];
-	strcpy(this->mark, mark);
-	
-	setML(ml);
-
-}
-Drink::Drink(const Drink& other)
-{
-	CopyFrom(other);
-}
-Drink& Drink::operator=(const Drink& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-Drink::~Drink()
-{
-	Free();
-}
-void Drink::setML(int ml)
-{
-	if (ml < 100 || ml> 1000)
-		ml = 500;
-	this->ml = ml;
-}
-int Drink::getML() const
-{
-	return ml;
-}
-const char* Drink::getMark() const
-{
-	return mark;
-}
diff --git a/Big4_and_inheritance/Drinks/Drink.h b/Big4_and_inheritance/Drinks/Drink.h
deleted file mode 100644
index db93c97..0000000
--- a/Big4_and_inheritance/Drinks/Drink.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#pragma once
-#include <iostream>
-
-class Drink
-{
-private:
-	char* mark;
-	int ml;
-	void CopyFrom(const Drink& other);
-	void Free();
-public:
-	Drink();
-	Drink(const char* mark, int ml);
-	Drink(const Drink& other);
-	Drink& operator=(const Drink& other);
-	~Drink();
-	
-	void setML(int ml);
-	int getML() const;
-	const char* getMark() const;
-};
diff --git a/Big4_and_inheritance/Drinks/main.cpp b/Big4_and_inheritance/Drinks/main.cpp
deleted file mode 100644
index c809123..0000000
--- a/Big4_and_inheritance/Drinks/main.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#include "AlcoholDrink.h"
-int main()
-{
-	AlcoholDrink  DR1("Spirt", 100, 98);
-	
-	AlcoholDrink dr2 (DR1);
-	dr2.getMark();
-	
-	
-}
diff --git a/Big4_and_inheritance/Students/GradesBook.cpp b/Big4_and_inheritance/Students/GradesBook.cpp
deleted file mode 100644
index 6d3de27..0000000
--- a/Big4_and_inheritance/Students/GradesBook.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-#include "GradesBook.h"
-
-
-GradesBook::GradesBook()
-{
-	capacity = 4;
-	grades = new int[capacity];
-	size = 0;
-}
-GradesBook::GradesBook(const GradesBook& other)
-{
-	std::cout << "Copy contr of GradesBook" << std::endl;
-	CopyFrom(other);
-}
-GradesBook& GradesBook::operator=(const GradesBook& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-GradesBook::~GradesBook()
-{
-	Free();
-}
-
-
-void GradesBook::CopyFrom(const GradesBook& other)
-{
-	grades = new int[other.capacity];
-	for (int i = 0; i < other.size; i++)
-		grades[i] = other.grades[i];
-	capacity = other.capacity;
-	size = other.size;
-}
-void GradesBook::Free()
-{
-	delete[] grades;
-}
-
-
-bool GradesBook::isFull()
-{
-	return size == capacity;
-}
-void GradesBook::AddGrade(int grade)
-{
-	if (!isValidGrade(grade))
-		return;
-	if (isFull())
-		Resize();
-	grades[size++] = grade;
-
-}
-void GradesBook::Resize()
-{
-	int* temp = new int[capacity * 2];
-	for (int i = 0; i < size; i++)
-		temp[i] = grades[i];
-	capacity *= 2;
-	delete[] grades;
-	grades = temp;
-}
-void GradesBook::RemoveLastGrade()
-{
-	size--;
-}
-bool GradesBook::isValidGrade(int grade)
-{
-	return (grade >= 2 && grade <= 6);
-}
-int GradesBook::operator[](int index) const
-{
-	if (index < 0 || index >= size)
-		return -1;
-	return grades[index];
-}
-
-std::ostream& operator<<(std::ostream& stream, GradesBook& obj)
-{
-	for (int i = 0; i < obj.capacity; i++)
-	{
-		if (i < obj.size)
-			stream << obj.grades[i] << ' ';
-		else
-			stream << '_' << ' ';
-	}
-	return stream;
-}
\ No newline at end of file
diff --git a/Big4_and_inheritance/Students/GradesBook.h b/Big4_and_inheritance/Students/GradesBook.h
deleted file mode 100644
index e63e92f..0000000
--- a/Big4_and_inheritance/Students/GradesBook.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-#include <iostream>
-
-class GradesBook
-{
-	int* grades;
-	int size;
-	int capacity;
-	
-	bool isValidGrade(int grade);
-	void Resize();
-	void CopyFrom(const GradesBook& other);
-	void Free();
-public:
-	GradesBook();
-	GradesBook(const GradesBook& other);
-	GradesBook& operator=(const GradesBook& other);
-	~GradesBook();
-	
-	bool isFull();
-	void AddGrade(int grade);
-	void RemoveLastGrade();
-	
-	int operator[](int index) const;
-	friend std::ostream& operator<<(std::ostream& stream, GradesBook& obj);
-
-};
diff --git a/Big4_and_inheritance/Students/Student.cpp b/Big4_and_inheritance/Students/Student.cpp
deleted file mode 100644
index 4734529..0000000
--- a/Big4_and_inheritance/Students/Student.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#include "Student.h"
-Student::Student(const char* name, int age, int fn): User(name,age)
-{
-	this->fn = fn;
-}
-
-void Student::ReceiveGrade(int grade)
-{
-	b.AddGrade(grade);
-}
\ No newline at end of file
diff --git a/Big4_and_inheritance/Students/Student.h b/Big4_and_inheritance/Students/Student.h
deleted file mode 100644
index aafaf58..0000000
--- a/Big4_and_inheritance/Students/Student.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#pragma once
-#include "User.h"
-#include "GradesBook.h"
-
-class Student : public User
-{
-public:
-	int fn;
-	GradesBook b;
-
-	Student(const char* name, int age, int fn);
-	void ReceiveGrade(int grade);
-	
-
-};
diff --git a/Big4_and_inheritance/Students/User.cpp b/Big4_and_inheritance/Students/User.cpp
deleted file mode 100644
index 93d34b6..0000000
--- a/Big4_and_inheritance/Students/User.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "User.h"
-
-/*
-User::User(): name(nullptr),age(10)
-{
-
-}
-*/
-
-User::User(const char* name, int age)
-{
-	this->name = new char[strlen(name) + 1];
-	strcpy(this->name, name);
-	this->age = age;
-}
-User::User(const User& other)
-{
-	cout << "Copy contr of user" << endl;
-	CopyFrom(other);
-}
-User& User::operator=(const User& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-User::~User()
-{
-	Free();
-}
-void User::CopyFrom(const User& other)
-{
-	name = new char[strlen(other.name) + 1];
-	strcpy(name, other.name);
-	age = other.age;
-}
-void User::Free()
-{
-	delete[] name;
-}
\ No newline at end of file
diff --git a/Big4_and_inheritance/Students/User.h b/Big4_and_inheritance/Students/User.h
deleted file mode 100644
index 400057b..0000000
--- a/Big4_and_inheritance/Students/User.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-
-#include <iostream>
-using namespace std;
-class User
-{
-private:
-	char* name;
-	int age;
-	void CopyFrom(const User& other);
-	void Free();
-public:
-	//User();
-	User(const char*name, int age);
-	User(const User& other);
-	User& operator=(const User& other);
-	~User();
-};
diff --git a/Big4_basic_examples/InformaticsStudent/InformaticsStudent.cpp b/Big4_basic_examples/InformaticsStudent/InformaticsStudent.cpp
deleted file mode 100644
index 9073355..0000000
--- a/Big4_basic_examples/InformaticsStudent/InformaticsStudent.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-#include "InformaticsStudent.h"
-#include <cstring>
-
-
-bool hasDigits(const char* str,int len)
-{
-	for (int i = 0; i < len;i++)
-	{
-		if (str[i] >= '0' && str[i] <= '9')
-			return true;
-	}
-	return false;
-}
-
-void InformaticsStudent::CopyFrom(const InformaticsStudent& other)
-{
-	int len = strlen(other.name);
-	name = new char[len + 1];
-	strcpy(name, other.name); //copy name
-	fn = other.fn; //copy fn
-}
-void InformaticsStudent::Free()
-{
-	delete[] name;
-	fn = 0;
-}
-
-InformaticsStudent::InformaticsStudent()
-{
-	name = nullptr;
-	fn = 0;
-}
-
-InformaticsStudent::InformaticsStudent(const char* name, int fn) //При конструктура винаги КОПИРАМЕ подадения стринг за нашния нов обект.
-{								 // Това е важно, защото не искаме някой друг да има достъп до него.
-	setName(name);
-	setFn(fn);
-}
-
-
-InformaticsStudent::InformaticsStudent(const InformaticsStudent& other)
-{
-	//Използваме функцията, която копира всичко от other в нашия обект.
-	CopyFrom(other); 
-	
-	//Понеже това е конструктор, няма нужда да трия нищо от обекта, понеже няма как да е имало данни тук,защото сега го създаваме.
-}
-
-InformaticsStudent& InformaticsStudent::operator=(const InformaticsStudent& other)
-{
-	//За разлика от при Копи-контструктора , тука е имало данни , преди копирането	
-	// (обектът да е съществувал). За това преди да копираме трябва да изтрием това, което е седяло тук.
-	// Проверката на 44 ред е с цел да не стане нещо от сорта T1=T1. Това би изтрило данните в обекта, защото първо трием и после 
-	// присвояваме вече изтритите данни.
-	
-	if (this != &other)
-	{
-		Free(); //трия своята памет
-
-		CopyFrom(other); // копирам от другия обект
-	}
-	return *this;  // Връщаме указател към обекта, в който сме копирали, за може да chain-ваме  T1=T2=T3.
-}
-
-InformaticsStudent::~InformaticsStudent()
-{
-	Free();
-}
-
-
-void InformaticsStudent::setName(const char* name)
-{
-	delete[] name; //трием данните, които са били тук.
-	int len = strlen(name);
-	if (hasDigits(name, len))
-	{
-		this->name[0] = '\0';
-		return;
-	}
-	this->name = new char[len + 1];
-	strcpy(this->name, name);
-
-
-}
-void InformaticsStudent::setFn(int fn)
-{
-	if (fn < 45000 || fn >45999)
-		fn = 45000;
-	this->fn = fn;
-}
-const char* InformaticsStudent::getName() const
-{
-	return name;
-}
-int InformaticsStudent::getFn() const
-{
-	return fn;
-}
-
-void InformaticsStudent::printStudent() const
-{
-	std::cout << name << " fn: " << fn << std::endl;
-}
diff --git a/Big4_basic_examples/InformaticsStudent/InformaticsStudent.h b/Big4_basic_examples/InformaticsStudent/InformaticsStudent.h
deleted file mode 100644
index 6e9d743..0000000
--- a/Big4_basic_examples/InformaticsStudent/InformaticsStudent.h
+++ /dev/null
@@ -1,40 +0,0 @@
-
-// Голямта 4-ка - Функции, които трябва да разпишем, САМО когато имаме динамична памет в класа.
-
-// 1.Defualt constructor InformaticsStudent();
-// 2.Copy-constructor InformaticsStudent(const InformaticsStudent& other); 
-// 3.operator=  InformaticsStudent& operator=(const InformaticsStudent& other);
-// 4.Destructor ~InformaticsStudent()
-// (Най-лесно е като си разпишем функция за копиране CopyFrom  и функция за триене Free())
-
-#pragma once
-#include <iostream>
-
-class InformaticsStudent
-{
-private:
-	char* name;
-	int fn;
-
-	void CopyFrom(const InformaticsStudent& other);
-        void Free();
-
-public:
-	/// BIG 4 starts here
-	
-	InformaticsStudent();
-	InformaticsStudent(const InformaticsStudent& other);
-	InformaticsStudent& operator=(const InformaticsStudent& other);
-	~InformaticsStudent();
-	// BIG 4 ends here
-
-	InformaticsStudent(const char* name, int fn);
-	
-	void setName(const char* name);
-	void setFn(int fn);
-	const char* getName() const;
-	int getFn() const;
-	
-	void printStudent() const;
-	
-};
diff --git a/Big4_basic_examples/README.md b/Big4_basic_examples/README.md
deleted file mode 100644
index 8b13789..0000000
--- a/Big4_basic_examples/README.md
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/Big4_basic_examples/TestClass/Source.cpp b/Big4_basic_examples/TestClass/Source.cpp
deleted file mode 100644
index bdb8002..0000000
--- a/Big4_basic_examples/TestClass/Source.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <iostream>
-#include "TestClass.h"
-
-using namespace std;
-
-
-int main()
-{
-	TestClass obj1(3, 3, "abc");
-
-	TestClass obj2(obj1);//copy const;
-
-	TestClass obj3(3, 1, "333");
-
-	obj3 = obj1; // operator=;
-
-	TestClass obj4 = obj3; ////copy const;
-
-
-} //destructors
\ No newline at end of file
diff --git a/Big4_basic_examples/TestClass/TestClass.cpp b/Big4_basic_examples/TestClass/TestClass.cpp
deleted file mode 100644
index fe5692b..0000000
--- a/Big4_basic_examples/TestClass/TestClass.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-#include "TestClass.h"
-
-
-TestClass::TestClass() : TestClass(0, 0, "Unknown")
-{
-
-}
-TestClass::TestClass(int a, int b, const char* str)
-{
-	this->a = a;
-	this->b = b;
-	name = new char[strlen(str) + 1];
-	strcpy(name, str);
-}
-TestClass::TestClass(const TestClass& other)
-{
-	CopyFrom(other);
-	//name = other.name  NO! only the pointer will be copied.
-}
-
-TestClass& TestClass::operator=(const TestClass& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this; // this   TestClass*
-}
-TestClass::~TestClass()
-{
-	Free();
-}
-void TestClass::CopyFrom(const TestClass& other)
-{
-	name = new char[strlen(other.name) + 1];
-	strcpy(name, other.name);
-	a = other.a;
-	b = other.b;
-}
-void TestClass::Free()
-{
-	delete[] name;
-	a = b = 0;
-}
diff --git a/Big4_basic_examples/TestClass/TestClass.h b/Big4_basic_examples/TestClass/TestClass.h
deleted file mode 100644
index 4841785..0000000
--- a/Big4_basic_examples/TestClass/TestClass.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <iostream>
-class TestClass
-{
-private:
-
-	void CopyFrom(const TestClass& other);
-	void Free();
-	int a;
-	int b;
-	char* name;
-
-public:
-
-
-	TestClass(int a, int b, const char* str);
-	
-	// big4
-	TestClass();
-	TestClass(const TestClass& other);
-	TestClass& operator=(const TestClass& other);
-	~TestClass();
-
-	void Print() const;
-
-};
diff --git a/Binary_files/BinaryFiles_Cheatsheet.pdf b/Binary_files/BinaryFiles_Cheatsheet.pdf
deleted file mode 100644
index 397177c..0000000
--- a/Binary_files/BinaryFiles_Cheatsheet.pdf
+++ /dev/null
diff --git a/Binary_files/GetStructsFromBinaryFile.cpp b/Binary_files/GetStructsFromBinaryFile.cpp
deleted file mode 100644
index 011629a..0000000
--- a/Binary_files/GetStructsFromBinaryFile.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <iostream>
-#include <fstream>
-using namespace std;
-
-struct test
-{
-	char ch;
-	int num;
-};
-
-int GetFileSize(ifstream& ifs)
-{
-	ifs.seekg(0, std::ios::end); //отиваме в края на файла
-	int size = ifs.tellg(); //запазваме коя е текущата позиция(тя всъщност е и размерът на файла)
-	ifs.seekg(0, std::ios::beg); //връщаме се в началото на файла  
-	return size;
-//тази функция е хубаво да я извикваме преди да сме чели каквото и да е от файла, понеже ще се върнем в началото и ще загубим информация до къде сме стигнали с четенето
-}
-
- 
-int main()
-{
-	std::ifstream inF("Structs.bat", std::ios::binary);
-
-	if (!inF.is_open())
-		return false;
-
-	int fileSize = GetFileSize(inF); // взимаме големината на файла
-	int objectCount = fileSize / sizeof(test); // намираме броя на обектите записани във файла
-
-	test* arr = new test[objectCount];
-
-	inF.read((char*)arr, fileSize); //директно ги четем в масива
-
-	if (!inF)
-	{
-		cout << "Error occurred while reading from the file";
-		return 1;
-	}
-	inF.close();
-
-	for (int i = 0; i < objectCount; i++)
-		cout << arr[i].ch << " " << arr[i].num << endl;
-	delete[] arr;
-
-	return 0;
-}
\ No newline at end of file
diff --git a/Binary_files/README.md b/Binary_files/README.md
deleted file mode 100644
index ea56a30..0000000
--- a/Binary_files/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# How does the binary file look like?
-The file after running  **SaveStructsToBinaryFile.cpp** or **SaveStructsToBinaryFile(as array).cpp**
-
-![Image of the binary file after running the code](https://i.ibb.co/0JthLd6/3-A978-D14-7-C7-A-4-ABD-8-B0-C-DA27-F6-E9-CD0-A.png "Binary file")
-
diff --git a/Binary_files/SaveAndReadStudents_BinaryFile.cpp b/Binary_files/SaveAndReadStudents_BinaryFile.cpp
deleted file mode 100644
index 0f600aa..0000000
--- a/Binary_files/SaveAndReadStudents_BinaryFile.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#include <iostream>
-#include <fstream>
-
-using namespace std;
-void SaveStudent(const char* name, int fn, ofstream& f)
-{
-	 f.write((const char*)&fn, sizeof(int)); //sizeof(int) is 4
-	 int strLen = strlen(name);
-	 f.write((const char*)&strLen,sizeof(int));
-	 f.write(name, strLen);
-}
-void ReadStudent(ifstream& f)
-{
-	 int fn;
-	 f.read((char*)&fn, sizeof(int));
-
-	 int nameLen;
-	 f.read((char*)&nameLen, sizeof(int));
-
-	 char* name = new char[nameLen + 1];
-	 f.read(name, nameLen);
-	 name[nameLen] = '\0';
-
- 	cout << "Name: " << name << " Fn: " << fn << endl;
-	 delete[] name;
-
-}
-
-
-
-int main()
-{
- //ofstream f;
- // f.open("students.bat");
- // SaveStudent("Ivan",123,f);
- // SaveStudent("Sasho",555,f);
- // f.close();
-
- //ifstream f2;
- //f2.open("students.bat");
- //ReadStudent(f2);
- //ReadStudent(f2);
- //f2.close();
- 
-
-
-}
diff --git a/Binary_files/SaveStructsToBinaryFile(as array).cpp b/Binary_files/SaveStructsToBinaryFile(as array).cpp
deleted file mode 100644
index 146a93c..0000000
--- a/Binary_files/SaveStructsToBinaryFile(as array).cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <iostream>
-#include <fstream>
-using namespace std;
-
-struct test
-{
-	char ch;
-	int num;
-};
-
-int main()
-{
-
-	test arr[] = { { 'a', 4 }, { 'b', 5 }, { 'c', 6 } };
-
-	ofstream outF("Structs.bat", ios::binary);
-
-	if (!outF.is_open())
-	{
-		cout << "Error while opening file" << endl;
-		return 1;
-	}
-
-	outF.write((const char*)&arr, sizeof(arr)); 
-	//можем директно да запазим масива във файла. Резултатът ще същия като от SaveStructToBinaryFile.cpp
-	
-
-	if (!outF.good()) 
-	{
-		cout << "Error occurred while writing the file";
-		return 1;
-	}
-
-	outF.close();
-
-	return 0;
-}
\ No newline at end of file
diff --git a/Binary_files/SaveStructsToBinaryFile.cpp b/Binary_files/SaveStructsToBinaryFile.cpp
deleted file mode 100644
index 3caad14..0000000
--- a/Binary_files/SaveStructsToBinaryFile.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <iostream>
-#include <fstream>
-using namespace std;
-
-struct test
-{
-	char ch;
-	int num;
-};
-
-int main()
-{
-
-	test obj1{ 'a', 4 };
-	test obj2{ 'b', 5 };
-	test obj3{ 'c', 6 };
-
-	ofstream outF("Structs.bat", ios::binary);
-
-	if (!outF.is_open())
-	{
-		cout << "Error while opening file"<<endl;
-		return 1;
-	}
-	
-	//запазваме 3-те обекта във файла
-	outF.write((const char*)&obj1, sizeof(test));
-	outF.write((const char*)&obj2, sizeof(test));
-	outF.write((const char*)&obj3, sizeof(test));
-
-	if (!outF.good()) // проверяваме дали след операцията потокът е в невалидено състояние
-	{
-		cout<<"Error occurred while writing the file";
-		return 1;
-	}
-	
-	outF.close();
-
-	return 0;
-}
\ No newline at end of file
diff --git a/Binary_files/Structs.bat b/Binary_files/Structs.bat
deleted file mode 100644
index 37573c8..0000000
--- a/Binary_files/Structs.bat
+++ /dev/null
diff --git a/Binary_files/StructsBAT (how does it look).png b/Binary_files/StructsBAT (how does it look).png
deleted file mode 100644
index 5e9e5b3..0000000
--- a/Binary_files/StructsBAT (how does it look).png
+++ /dev/null
diff --git a/Classes/Distance/Distance.cpp b/Classes/Distance/Distance.cpp
deleted file mode 100644
index aea74a7..0000000
--- a/Classes/Distance/Distance.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-#include "Distance.h"
-
-Distance::Distance()
-{
-	setCm(minCM);
-	setM(minM);
-	setKm(minKm);
-
-}
-Distance::Distance(int km, int m, int cm)
-{
-	setCm(cm);
-	setM(m);
-	setKm(km);
-}
-//constructs the distance by only given cm.
-Distance::Distance(int cm)
-{
-	int km = cm / 100000;
-	int rest = cm % 100000;
-	int m = rest / 100;
-	rest = rest % 100;
-
-	setKm(km);
-	setM(m);
-	setCm(rest);
-
-
-}
-void Distance::setCm(int cm)
-{
-	if (cm < minCM || cm > maxCM)
-		cm = minCM;
-	this->cm = cm;
-}
-void Distance::setM(int m)
-{
-	if (m < minM || m > maxM)
-		m = minM;
-	this->m = m;
-}
-void Distance::setKm(int km)
-{
-	if (km < minKm)
-		km = 0;
-	this->km = km;
-}
-int Distance::getCm()const
-{
-	return cm;
-}
-int Distance::getM() const
-{
-	return m;
-}
-int Distance::getKm() const
-{
-	return km;
-}
-void Distance::Print() const
-{
-	std::cout << "KM:  " << km << " M:  " << m << " CM: " << cm << std::endl;
-}
-int Compare(const Distance& d1, const Distance& d2)
-{
-	if (d1.getKm() < d2.getKm())
-		return -1;
-	else if (d1.getKm() > d2.getKm())
-		return 1;
-	else
-	{
-		if (d1.getM() < d2.getM())
-			return -1;
-		else if (d1.getM() > d2.getM())
-			return 1;
-		else
-		{
-			if (d1.getCm() < d2.getCm())
-				return -1;
-			else if (d1.getCm() > d2.getCm())
-				return 1;
-			else
-				return 0;
-		}
-	}
-}
-// if its between 66km and 99,5 km
-bool Distance::isGreedy() const
-{
-	Distance lowLimit(66, 0, 0);
-	Distance upLimit(99, 500, 0);
-	return Compare(*this, lowLimit) > 0 && Compare(*this, upLimit) < 0;
-}
-int Distance::convertToCm() const
-{
-	return cm + m * 100 + km * 100000;
-}
-Distance getDiff(const Distance& d1, const Distance& d2)
-{
-	int cm1 = d1.convertToCm();
-	int cm2 = d2.convertToCm();
-	int diff = abs(cm1 - cm2);
-	Distance result(diff);
-	return result;
-}
diff --git a/Classes/Distance/Distance.h b/Classes/Distance/Distance.h
deleted file mode 100644
index dfa47d0..0000000
--- a/Classes/Distance/Distance.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#include <iostream>
-
-const int maxCM = 99;
-const int minCM = 0;
-const int maxM = 999;
-const int minM = 0;
-const int minKm = 0;
-
-class Distance
-{
-	int cm;
-	int m;
-	int km;
-	
-public:
-	Distance();
-	Distance(int km, int m, int cm);
-	Distance(int cm);
-	
-	int getCm() const;
-	int getM() const;
-	int getKm() const;
-	
-	void setCm(int cm);
-	void setM(int m);
-	void setKm(int km);
-	
-	void Print() const;
-	bool isGreedy() const;
-	int convertToCm() const;
-};
diff --git a/Classes/GradesBook(DynamicArray)/GradesBook.cpp b/Classes/GradesBook(DynamicArray)/GradesBook.cpp
deleted file mode 100644
index 0c04b83..0000000
--- a/Classes/GradesBook(DynamicArray)/GradesBook.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-#include "GradesBook.h"

-

-

-GradesBook::GradesBook()

-{

-	capacity = 4;

-	grades = new int[capacity];

-	size = 0;

-}

-GradesBook::GradesBook(const GradesBook& other)

-{

-	cout << "Copy contr of GradesBook" << endl;

-	CopyFrom(other);

-}

-GradesBook& GradesBook::operator=(const GradesBook& other)

-{

-	if (this != &other)

-	{

-		Free();

-		CopyFrom(other);

-	}

-	return *this;

-}

-GradesBook::~GradesBook()

-{

-	Free();

-}

-

-

-void GradesBook::CopyFrom(const GradesBook& other)

-{

-	grades = new int[other.capacity];

-	for (int i = 0; i < other.size; i++)

-		grades[i] = other.grades[i];

-	capacity = other.capacity;

-	size = other.size;

-}

-void GradesBook::Free()

-{

-	delete[] grades;

-}

-

-

-bool GradesBook::isFull()

-{

-	return size == capacity;

-}

-void GradesBook::AddGrade(int grade)

-{

-	if (!isValidGrade(grade))

-		return;

-	if (isFull())

-		Resize();

-	grades[size++] = grade;

-

-}

-void GradesBook::Resize()

-{

-	int* temp = new int[capacity * 2];

-	for (int i = 0; i < size; i++)

-		temp[i] = grades[i];

-	capacity *= 2;

-	delete[] grades;

-	grades = temp;

-}

-void GradesBook::RemoveLastGrade()

-{

-	size--;

-}

-bool GradesBook::isValidGrade(int grade)

-{

-	return (grade >= 2 && grade <= 6);

-}

-int GradesBook::operator[](int index) const

-{

-	if (index < 0 || index >= size)

-		return -1;

-	return grades[index];

-}

-

-ostream& operator<<(ostream& stream, GradesBook& obj)

-{

-	for (int i = 0; i < obj.capacity; i++)

-	{

-		if (i < obj.size)

-			stream << obj.grades[i] << ' ';

-		else

-			stream << '_' << ' ';

-	}

-	return stream;

-}
\ No newline at end of file
diff --git a/Classes/GradesBook(DynamicArray)/GradesBook.h b/Classes/GradesBook(DynamicArray)/GradesBook.h
deleted file mode 100644
index c9ba8e9..0000000
--- a/Classes/GradesBook(DynamicArray)/GradesBook.h
+++ /dev/null
@@ -1,24 +0,0 @@
-class GradesBook

-{

-	int* grades;

-	int size;

-	int capacity;

-	

-	bool isValidGrade(int grade);

-	void Resize();

-	void CopyFrom(const GradesBook& other);

-	void Free();

-public:

-	GradesBook();

-	GradesBook(const GradesBook& other);

-	GradesBook& operator=(const GradesBook& other);

-	~GradesBook();

-	

-	bool isFull();

-	void AddGrade(int grade);

-	void RemoveLastGrade();

-	

-	int operator[](int index) const;

-	friend ostream& operator<<(ostream& stream, GradesBook& obj);

-

-};

diff --git a/Classes/String/String.cpp b/Classes/String/String.cpp
deleted file mode 100644
index f4f567b..0000000
--- a/Classes/String/String.cpp
+++ /dev/null
@@ -1,194 +0,0 @@
-#include "String.h"
-
-void String::CopyFrom(const String& other) {
-
-	str = new char[strlen(other.str) + 1];
-	strcpy(str, other.str);
-
-	len = other.len;
-}
-
-void String::Free() {
-	delete[] str;
-}
-
-String::String() {
-
-	str = new char[1];
-	str[0] = '\0';
-	len = 0;
-}
-
-inline String::String(char ch)
-{
-	str = new char[2];
-	str[0] = ch;
-	str[1] = '\0';
-	len = 1;
-}
-
-String::String(const char* str) {
-
-	len = strlen(str);
-
-	this->str = new char[len + 1];
-	strcpy(this->str, str);
-}
-
-String::String(const String& other) {
-	CopyFrom(other);
-}
-
-String& String::operator=(const String& other) {
-
-	if (this != &other) {
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-
-String::~String() {
-	Free();
-}
-
-int String::getLenght() const {
-	return len;
-}
-
-String String::SubString(int start) {
-
-	if (start < 0 || start > len)
-		throw std::logic_error("Invalid index.\n");
-
-	char* newStr = new char[len - start + 2];
-	int j = 0;
-	for (int i = start; i < len; i++)
-		newStr[j++] = str[i];
-	newStr[j] = '\0';
-
-	String newString(newStr);
-	delete[] newStr;
-
-	return newString;
-}
-
-String String::SubString(int start, int end) {
-
-	if (start < 0 || start > len || end <= 0 || end > len)
-		throw std::logic_error("Invalid index.\n");
-
-	char* newStr = new char[end - start + 2];
-	int j = 0;
-	for (int i = start; i <= end; i++)
-		newStr[j++] = str[i];
-	newStr[j] = '\0';
-
-	String newString(newStr);
-	delete[] newStr;
-
-	return newString;
-}
-
-int String::IndexOf(const String& other, int index) {
-
-	if (index < 0)
-		throw std::logic_error("Invalid index.\n");
-
-	int iter = 0;
-	for (int i = index; i <= len; i++) {
-
-		if (iter == other.len)
-			return i - other.len;
-		if (str[i] != other.str[iter])
-			iter = 0;
-		else
-			iter++;
-	}
-	return -1;
-}
-
-int String::IndexOf(const char* str, int index) {
-
-	String searched(str);
-	return IndexOf(searched, index);
-}
-
-int String::CountOcurences(String str)
-{
-	int count = 0;
-	int i = IndexOf(str, 0);
-	while (i != -1)
-	{
-		count++;
-		i = IndexOf(str, i + 1);
-	}
-	return count;
-}
-
-inline int String::GetOcurence(String str, int num)
-{
-	int count = 0;
-	int i = IndexOf(str, 0);
-	while (i != -1)
-	{
-		count++;
-		if (count == num)
-			return i;
-		i = IndexOf(str, i + 1);
-	}
-	return count;
-}
-
-const char& String::operator[](int index) const {
-
-	if (index >= len)
-		throw std::out_of_range("Out of range!");
-	return str[index];
-}
-
-char& String::operator[](int index) {
-	return str[index];
-}
-
-String& String::operator+=(const String& other) {
-
-	char* temp = str;
-	str = new char[len + other.len + 1];
-	strcpy(str, temp);
-	strcat(str, other.str);
-	len += other.len;
-	delete[] temp;
-	return *this;
-}
-
-bool operator==(const String& lhs, const String& rhs) {
-	return !strcmp(lhs.str, rhs.str);
-}
-
-bool operator!=(const String& lhs, const String& rhs) {
-	return strcmp(lhs.str, rhs.str);
-}
-
-std::ostream& operator<<(std::ostream& os, const String& obj) {
-	return os << obj.str;
-}
-
-std::istream& operator>>(std::istream& is, String& obj) {
-
-	char buff[MAX_SIZE];
-	is.getline(buff, MAX_SIZE);
-	obj.str = new char[strlen(buff) + 1];
-	strcpy(obj.str, buff);
-
-	return is;
-}
-
-
-const String operator+(const String& lhs, const String& rhs) {
-	if (lhs.getLenght() == 0)
-		return rhs;
-	else if (rhs.getLenght() == 0)
-		return lhs;
-	return String(lhs) += rhs;
-}
diff --git a/Classes/String/String.h b/Classes/String/String.h
deleted file mode 100644
index 37bbc6d..0000000
--- a/Classes/String/String.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef STRING_HDR
-#define STRING_HDR
-
-#include<iostream>
-#include<fstream>
-
-const int MAX_SIZE = 1024;
-
-class String {
-
-private:
-	char* str;
-	int len;
-
-	void CopyFrom(const String& other);
-	void Free();
-
-public:
-	String();
-	String(char ch);
-	String(const char* str);
-	String(const String& other);
-	String& operator=(const String& other);
-	~String();
-
-	int getLenght() const;
-	String SubString(int start);
-	String SubString(int start, int end);
-	int IndexOf(const String& other, int index); //return the index of the first encounter of other in the object
-	int IndexOf(const char* str, int index); //reusing IndexOf(const String& other, int index)
-	int CountOcurences(String str); // How many times a string is found as substring
-	int GetOcurence(String str, int i); //Get if the i-th substring (count start from 1)
-
-	const char& operator[](int index) const;
-	char& operator[](int index);
-	String& operator+=(const String& other); //return the concatenation of the object with other
-	friend bool operator==(const String& lhs, const String& rhs); //return true if two strings are equivalent
-	friend bool operator!=(const String& lhs, const String& rhs); //return true if two strings are not equivalent 
-	friend std::ostream& operator<<(std::ostream& os, const String& obj);
-	friend std::istream& operator>>(std::istream& is, String& obj);
-
-	String* Split(String str);
-};
-const String operator+(const String& lhs, const String& rhs);
-#endif // !STRING_HDR
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/Bishop.hpp b/Diamond_problem_and_polymorphism/Chess/Bishop.hpp
deleted file mode 100644
index 014eb48..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Bishop.hpp
+++ /dev/null
@@ -1,34 +0,0 @@
-#pragma once
-#include "Figure.hpp"
-
-class Bishop : virtual public Figure
-{
-public:
-	Bishop(int xCoordinate, int yCoordinate, bool isWhite) :Figure(xCoordinate, yCoordinate, isWhite)
-	{}
-
-	bool Move(int xNew, int yNew);
-	
-	void Print();
-};
-bool Bishop::Move(int xNew, int yNew)
-{
-	if (!isValidCoord(xNew, yNew))
-		return false;
-	int dx = abs(xCoord - xNew);
-	int dy = abs(yCoord - yNew);
-	if (dx == dy)
-	{
-		xCoord = xNew;
-		yCoord = yNew;
-		return  true;
-	}
-	return  false;
-
-
-
-}
-void Bishop::Print()
-{
-	cout << 'B';
-}
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/Board.hpp b/Diamond_problem_and_polymorphism/Chess/Board.hpp
deleted file mode 100644
index 95c0f41..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Board.hpp
+++ /dev/null
@@ -1,127 +0,0 @@
-#pragma once
-#include "Figure.hpp"
-#include "Knight.hpp"
-#include "Queen.hpp"
-
-class Board
-{
-	Figure*** board;
-
-public:
-	Board();
-	Board(const Board& other) = delete;
-	Board& operator=(const Board& other) = delete;
-	~Board();
-	bool isEmptySquare(int x, int y) const;
-	bool AddKnight(int x, int y, bool isWhite);
-	bool AddQueen(int x, int y, bool isWhite);
-	bool AddBishop(int x, int y, bool isWhite);
-	bool AddRook(int x, int y, bool isWhite);
-
-	void Print();
-
-	bool MoveFigure(int xOld, int yOld, int xNew, int yNew);
-	
-};
-Board::Board()
-{
-	board = new Figure**[8];
-	for (int i = 0; i < 8; ++i)
-		board[i] = new Figure*[8];
-
-	for (int i = 0; i < 8; ++i)
-	{
-		for (int j = 0; j < 8; j++)
-			board[i][j] = nullptr;
-	}
-
-}
-
-Board::~Board()
-{
-	for (int i = 0; i < 8; ++i)
-	{
-		for (int j = 0; j < 8; ++j)
-		{
-			delete board[i][j];
-		}
-		delete[] board[i];
-	}
-	delete[] board;
-
-}
-bool Board::isEmptySquare(int x, int y) const
-{
-	return  board[x][y] == nullptr;
-}
-
-bool Board::AddKnight(int x, int y, bool isWhite)
-{
-	if (!isValidCoord(x, y) || !isEmptySquare(x, y))
-		return false;
-	board[x][y] = new Knight(x, y, isWhite);
-	return true;
-}
-bool Board::AddQueen(int x, int y, bool isWhite)
-{
-	if (!isValidCoord(x, y) || !isEmptySquare(x, y))
-		return false;
-	board[x][y] = new Queen(x, y, isWhite);
-	return true;
-}
-bool Board::AddBishop(int x, int y, bool isWhite)
-{
-	if (!isValidCoord(x, y) || !isEmptySquare(x, y))
-		return false;
-	board[x][y] = new Bishop(x, y, isWhite);
-	return true;
-}
-bool Board::AddRook(int x, int y, bool isWhite)
-{
-	if (!isValidCoord(x, y) || !isEmptySquare(x, y))
-		return false;
-	board[x][y] = new Rook(x, y, isWhite);
-	return true;
-}
-
-void Board::Print()
-{
-	for (int i = 0; i < 8; ++i)
-	{
-		for (int j = 0; j < 8; ++j)
-		{
-			if (!board[i][j])
-				cout << '_';
-			else
-				board[i][j]->Print();
-
-		}
-		cout << endl;
-	}
-	cout << endl;
-	cout << endl;
-}
-
-bool Board::MoveFigure(int xOld, int yOld, int xNew, int yNew)
-{
-	if (isEmptySquare(xOld, yOld)) //Ако няма фигура, там от където искаме да преместим
-		return  false;
-
-	bool res = board[xOld][yOld]->Move(xNew, yNew); //провери дали фигурата може да се премести на съответната прозиция.
-	if (!res)// ако не -> лъжа(ходът е невъзможен)
-		return false;
-
-	if (!isEmptySquare(xNew, yNew))
-	{
-		if (board[xOld][yOld]->isWhite ^ board[xNew][yNew]->isWhite)// ако там седи фигура от различен цвят
-			delete board[xNew][yNew]; //взимаме я(трием обекта)
-		else //ако фигурата която седи на новата позиция е от СЪЩИЯ цвят
-		{
-			board[xOld][yOld]->Move(xOld, yOld);  //връщаме обратно кординатите новата фигура. Тук би възникнал проблем, ако имаме фигурата пешка.
-												  //Това е така, понеже тя няма да може да се върне назад, ако вече е преместена.
-			return false;						  //За това примерно решение е, да се направи функция goBackwards.
-		}
-	}
-	board[xNew][yNew] = board[xOld][yOld];
-	board[xOld][yOld] = nullptr;
-}
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/Figure.hpp b/Diamond_problem_and_polymorphism/Chess/Figure.hpp
deleted file mode 100644
index e3fa89d..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Figure.hpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#pragma once
-#include <iostream>
-
-using namespace std;
-
-bool isValidCoord(int xCoord, int yCoord)
-{
-	return  xCoord >= 0 && xCoord <= 7
-		&& yCoord >= 0 && yCoord <= 7;
-}
-
-class Figure
-{
-public:
-	Figure(int xCoord, int yCoord, bool isWhite);
-
-	int xCoord;
-	int yCoord;
-	bool isWhite;
-	virtual bool Move(int xCoord, int yCoord) = 0;
-	virtual void Print() = 0;
-	virtual ~Figure(){};
-};
-
-Figure::Figure(int xCoord, int yCoord, bool isWhite)
-{
-	if (isValidCoord(xCoord, yCoord))
-	{
-		this->xCoord = xCoord;
-		this->yCoord = yCoord;
-		this->isWhite = isWhite;
-	}
-	else
-		throw "Ivalid coordinates";
-}
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/Knight.hpp b/Diamond_problem_and_polymorphism/Chess/Knight.hpp
deleted file mode 100644
index 01b9c34..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Knight.hpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#pragma once
-#include "Figure.hpp"
-
-class Knight : public Figure
-{
-public:
-	Knight(int xCoordinate, int yCoordinate, bool isWhite) :Figure(xCoordinate, yCoordinate, isWhite)
-	{}
-	
-	bool Move(int xNew, int yNew);
-	
-	void Print();
-};
-bool Knight::Move(int xNew, int yNew)
-{
-	if (!isValidCoord(xNew, yNew))
-		return false;
-	int possibleX[] = { 1, 1, -1, -1, 2, 2, -2, -2 };
-	int possibleY[] = { 2, -2, 2, -2, 1, -1, 1, -1 };
-	for (int i = 0; i < 8; ++i)
-	{
-		if (xNew == xCoord + possibleX[i]
-			&& yNew == yCoord + possibleY[i])
-		{
-			xCoord = xNew;
-			yCoord = yNew;
-			return  true;
-		}
-
-	}
-	return false;
-
-}
-
-void Knight::Print()
-{
-	cout << 'K';
-}
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/Queen.hpp b/Diamond_problem_and_polymorphism/Chess/Queen.hpp
deleted file mode 100644
index 2f89029..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Queen.hpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-#include "Figure.hpp"
-#include "Bishop.hpp"
-#include "Rook.hpp"
-
-class Queen : public Bishop, public Rook //Формално това НЕ Е ок. Понеже царицата НЕ Е топ и царицата НЕ Е офицер.
-{						
-public:
-	Queen(int xCoordinate, int yCoordinate, bool isWhite) :Figure(xCoordinate, yCoordinate, isWhite), Bishop(xCoordinate, yCoordinate, isWhite), Rook(xCoordinate, yCoordinate, isWhite)
-	{}
-	bool Move(int xNew, int yNew);
-	void Print();
-};
-
-void Queen::Print()
-{
-	cout << 'Q';
-}
-bool Queen::Move(int xNew, int yNew) // Тук сме наследили 2 функционалности. Имаме конфликт, трябва да дефинираме наша(използвайки предишните, ако искаме)
-{
-	bool res = Rook::Move(xNew, yNew);//Пробвай да се движиш като топ(по права линия)
-	if (res) //Ако е успял - вс  е ок
-		return true;
-	return Bishop::Move(xNew, yNew); //Ако не си успял като топ, пробвай като офицер.
-}
diff --git a/Diamond_problem_and_polymorphism/Chess/README.md b/Diamond_problem_and_polymorphism/Chess/README.md
deleted file mode 100644
index 97ee907..0000000
--- a/Diamond_problem_and_polymorphism/Chess/README.md
+++ /dev/null
@@ -1,4 +0,0 @@
-# Chess
-
-Not a full chess project! Just a prototype.
-
diff --git a/Diamond_problem_and_polymorphism/Chess/Rook.hpp b/Diamond_problem_and_polymorphism/Chess/Rook.hpp
deleted file mode 100644
index 5ad81c8..0000000
--- a/Diamond_problem_and_polymorphism/Chess/Rook.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#pragma once
-#include "Figure.hpp"
-
-class Rook : virtual public Figure
-{
-
-public:
-	Rook(int xCoordinate, int yCoordinate, bool isWhite) :Figure(xCoordinate, yCoordinate, isWhite)
-	{}
-	
-	bool Move(int xNew, int yNew);
-	
-	void Print();
-	
-};
-
-bool Rook::Move(int xNew, int yNew)
-{
-	if (!isValidCoord(xNew, yNew))
-		return false;
-	if (!(xCoord == xNew ^ yCoord == yNew))
-		return false;
-	xCoord = xNew;
-	yCoord = yNew;
-	return true;
-}
-
-void Rook::Print()
-{
-	cout << 'R';
-}
\ No newline at end of file
diff --git a/Diamond_problem_and_polymorphism/Chess/main.cpp b/Diamond_problem_and_polymorphism/Chess/main.cpp
deleted file mode 100644
index 2caaee8..0000000
--- a/Diamond_problem_and_polymorphism/Chess/main.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <iostream>
-#include "Board.hpp"
-using namespace std;
-
-int main()
-{
-	while (1)
-	{
-		Board b;
-		b.AddBishop(3, 4, true);
-		b.AddKnight(2, 3, false);
-		b.Print();
-		b.MoveFigure(3, 4, 2, 3);
-		b.Print();
-	}
-}
diff --git a/Diamond_problem_and_polymorphism/sd b/Diamond_problem_and_polymorphism/sd
deleted file mode 100644
index 6e9f0da..0000000
--- a/Diamond_problem_and_polymorphism/sd
+++ /dev/null
@@ -1 +0,0 @@
-h
diff --git a/Getters_and_setters_simple_examples/Beer/Beer.cpp b/Getters_and_setters_simple_examples/Beer/Beer.cpp
deleted file mode 100644
index 2eaa444..0000000
--- a/Getters_and_setters_simple_examples/Beer/Beer.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "Beer.h"
-
-Beer::Beer(const char* mark, int ml)
-{
-	setMark(mark);
-	setMl(ml);
-}
-void Beer::printAddress() const
-{
-	cout << this << endl;
-}
-void Beer::printBeer() const
-{
-	cout << mark << " " << ml << endl;
-}
-void Beer::setMl(int ml)
-{
-	if (ml < MINBEERML)
-		ml = MINBEERML;
-	else if (ml > MAXBEERML)
-		ml = MAXBEERML;
-	this->ml = ml;
-}
-void Beer::setMark(const char* mark)
-{
-	int len = strlen(mark);
-
-	if (len >= 20 || len == 0) //��� �� ����� ��������� ����� �� ������ (������ � ������� >= 20 )
-		this->mark[0] = '\0';	//������ ������� �� � ������� ������ 
-	else
-		strcpy(this->mark, mark);
-}
-int Beer::getMl() const 
-{
-	return ml;
-}
-const char* Beer::getMark() const
-{
-	return mark;
-}
-
-
-
diff --git a/Getters_and_setters_simple_examples/Beer/Beer.h b/Getters_and_setters_simple_examples/Beer/Beer.h
deleted file mode 100644
index 4bc8adc..0000000
--- a/Getters_and_setters_simple_examples/Beer/Beer.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <iostream>
-using namespace std;
-
-const int MAXBEERML = 500;
-const int MINBEERML = 330;
-
-class Beer
-{
-public:
-	Beer(const char* mark, int ml);
-	
-	void printAddress() const;
-
-	void printBeer() const;
-	void setMl(int ml);
-
-	void setMark(const char* mark);
-
-	int getMl() const; // const сложен тук означава, че метода не променя член-данните на класа.Съответно можем да го викаме от константни обекти
-
-	const char* getMark() const;
-	
-private:
-
-	char mark[20]; //Стринг с максимална дължина 19, понеже 1 символ ни трябва за '\0'
-	int ml;
-};
diff --git a/Getters_and_setters_simple_examples/Beer/main.cpp b/Getters_and_setters_simple_examples/Beer/main.cpp
deleted file mode 100644
index 9e6801d..0000000
--- a/Getters_and_setters_simple_examples/Beer/main.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "Beer.h"
-
-int main()
-{
-	Beer t("Zagorka", 5); // 5 � ��������� ���������� ����. �� � ������������ ��������� setML, ����� �� ����� � ������������ �� �� �������� ��������� �����.
-	t.setMl(330);
-	t.printBeer();
-}
\ No newline at end of file
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Event.cpp b/Getters_and_setters_simple_examples/Daily_schedule/Event.cpp
deleted file mode 100644
index 084c7b3..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Event.cpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "Event.h"
-
-
-Event::Event() :start(0, 0, 0), end(0, 0, 0), isInit(false)
-{ }
-Event::Event(const char* name, int startHours, int startMin, int startSec, int endHours, int endMin, int endSec) : start(startHours, startMin, startSec), end(endHours, endMin, endSec)
-{
-	if (!IsValid())
-		end = start;
-	strcpy(this->name, name);
-
-}
-void Event::print() const
-{
-	std::cout << name << std::endl;
-	std::cout << "start: ";
-	start.print();
-	std::cout << "end: ";
-	end.print();
-}
-const Time& Event::getStart() const
-{
-	return start;
-}
-const Time& Event::getEnd() const
-{
-	return end;
-}
-const char* Event::getName() const
-{
-	return name;
-}
-bool Event::getIsInit() const
-{
-	return isInit;
-}
-bool Event::IsValid()
-{
-	return start.CompareTo( end) >= 0;
-}
\ No newline at end of file
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Event.h b/Getters_and_setters_simple_examples/Daily_schedule/Event.h
deleted file mode 100644
index 32c332d..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Event.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "Time.h"
-
-class Event
-{
-	char name[30];
-	Time start;
-	Time end;
-	bool isInit;
-public:
-	Event();
-	Event(const char* name, int startHours, int startMin, int startSec, int endHours, int endMin, int endSec);
-	bool IsValid();
-	void print() const;
-	const Time& getStart() const;
-	const Time& getEnd() const;
-	const char* getName() const;
-	bool getIsInit() const;
-};
-
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Schedule.cpp b/Getters_and_setters_simple_examples/Daily_schedule/Schedule.cpp
deleted file mode 100644
index b4c9017..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Schedule.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-#include "Schedule.h"
-
-int Schedule::getFirstFreeSlotIndex()
-{
-	for (int i = 0; i < MAXEVENTS; i++)
-	{
-		if (!events[i].getIsInit())
-			return i;
-	}
-	return -1;
-}
-void Schedule::DeleteEvent(int ind)
-{
-	Event emptyEvent;
-	events[ind] = emptyEvent;
-}
-
-bool Schedule::AddEvent(const char* name, int startHours, int startMin, int startSec, int endHours, int endMin, int endSec)
-{
-	int freeIndex = getFirstFreeSlotIndex();
-	if (freeIndex == -1)
-		return false;
-	Event eventToAdd(name, startHours, startMin, startSec, endHours, endMin, endSec);
-	events[freeIndex] = eventToAdd;
-
-	return true;
-}
-bool Schedule::RemoveEvent(const char* name)
-{
-	for (int i = 0; i < MAXEVENTS; i++)
-	{
-		if (strcmp(events[i].getName(), name) == 0)
-		{
-			DeleteEvent(i);
-			return true;
-		}
-	}
-	return false;
-}
-bool Schedule::RemoveEvent(int startHours, int startMin, int startSec, int endHours, int endMin, int endSec)
-{
-	Time startToRemove(startHours, startMin, startSec);
-	Time endToRemove(endHours, endMin, endSec);
-
-	for (int i = 0; i < MAXEVENTS; i++)
-	{
-		if ((events[i].getStart().CompareTo(startToRemove)) == 0 && (events[i].getEnd().CompareTo(endToRemove) == 0))
-		{
-			DeleteEvent(i);
-			return true;
-		}
-	}
-	return false;
-}
-void Schedule::Print() const
-{
-	for (int i = 0; i < MAXEVENTS; i++)
-	{
-		if (events[i].getIsInit())
-			events[i].print();
-	}
-}
\ No newline at end of file
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Schedule.h b/Getters_and_setters_simple_examples/Daily_schedule/Schedule.h
deleted file mode 100644
index 2ad2c7a..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Schedule.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "Event.h"
-
-const int MAXEVENTS = 10;
-class Schedule
-{
-private:
-	Event events[MAXEVENTS];
-
-	int getFirstFreeSlotIndex();
-	void DeleteEvent(int ind);
-
-
-public:
-	bool AddEvent(const char* name, int startHours, int startMin, int startSec, int endHours, int endMin, int endSec);
-	bool RemoveEvent(const char* name);
-	bool RemoveEvent(int startHours, int startMin, int startSec, int endHours, int endMin, int endSec);
-	void Print() const;
-	bool isValidSchedule() const;
-};
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Source.cpp b/Getters_and_setters_simple_examples/Daily_schedule/Source.cpp
deleted file mode 100644
index 678eb98..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Source.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <iostream>
-using namespace std;
-
-
-#include "Schedule.h"
- //���������� 
- //���������� ->
-
-// ������ ��� -> ������� 
-// ������� -> ������� ��� � ����� ���
-// ������������ �� ������: private, public:
-// ����: ���������, ��� ����� ���. �� ������ � private �� default
-
-
-
-int main()
-{
-	
-	Schedule s;
-	
-	cout<< s.AddEvent("Party", 22, 30, 00, 23, 30, 00);
-
-	cout<< s.AddEvent("Uni", 12, 00, 00, 14, 00, 00);
-
-	s.AddEvent("Lunch", 11, 30, 00, 12, 00, 00);
-	s.Print();
-	cout << "after remove"<<endl;
-	s.RemoveEvent(12,00,00,14,00,00);
-
-	s.Print();
-
-
-	
-	
-
-
-}
\ No newline at end of file
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Time.cpp b/Getters_and_setters_simple_examples/Daily_schedule/Time.cpp
deleted file mode 100644
index f4fc702..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Time.cpp
+++ /dev/null
@@ -1,73 +0,0 @@
-#include "Time.h"
-
-Time::Time(int hours, int mins, int seconds)
-{
-	setHours(hours);
-	setMins(mins);
-	setSeconds(seconds);
-}
-/*Time()
-{
-setHours(0);
-setMins(0);
-setSeconds(0);
-}*/
-int Time::getSeconds() const
-{
-	return seconds;
-}
-int Time::getMins() const
-{
-	return mins;
-}
-int Time::getHours() const
-{
-	return hours;
-}
-void Time::print() const
-{
-	std::cout << hours << " " << mins << " " << seconds << std::endl;
-}
-void Time::setSeconds(int seconds)
-{
-	if (seconds < 0 || seconds > 59)
-		seconds = 0;
-	this->seconds = seconds;
-}
-void Time::setMins(int mins)
-{
-	if (mins < 0 || mins > 59)
-		mins = 0;
-	this->mins = mins;
-}
-void Time::setHours(int hours)
-{
-	if (hours < 0 || hours > 23)
-		hours = 0;
-	this->hours = hours;
-}
-int Time::CompareTo(const Time& other) const
-{
-	if (getHours() > other.getHours())
-		return -1;
-	else if (getHours() < other.getHours())
-	{
-		return 1;
-	}
-	else
-	{
-		if (getMins() > other.getMins())
-			return -1;
-		else if (getMins() < other.getMins())
-			return 1;
-		else
-		{
-			if (getSeconds() > other.getSeconds())
-				return -1;
-			else if (getSeconds() < other.getSeconds())
-				return 1;
-			else
-				return 0;
-		}
-	}
-}
\ No newline at end of file
diff --git a/Getters_and_setters_simple_examples/Daily_schedule/Time.h b/Getters_and_setters_simple_examples/Daily_schedule/Time.h
deleted file mode 100644
index 97529e0..0000000
--- a/Getters_and_setters_simple_examples/Daily_schedule/Time.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <iostream>
-
-class Time
-{
-	int seconds;
-	int mins;
-	int hours;
-public:
-	Time(int hours, int mins, int seconds);
-	//Time(); 
-	int getSeconds() const;
-	int getMins() const;
-	int getHours() const;
-	void setSeconds(int seconds);
-	void setMins(int mins);
-	void setHours(int hours);
-
-	void print() const;
-
-	int CompareTo(const Time& other) const;
-};
diff --git a/Homework_tasks/Homework_1.pdf b/Homework_tasks/Homework_1.pdf
deleted file mode 100644
index 8383550..0000000
--- a/Homework_tasks/Homework_1.pdf
+++ /dev/null
diff --git a/Homework_tasks/Homework_2.pdf b/Homework_tasks/Homework_2.pdf
deleted file mode 100644
index d36ee1b..0000000
--- a/Homework_tasks/Homework_2.pdf
+++ /dev/null
diff --git a/Operator_overloading/Complex/Complex.hpp b/Operator_overloading/Complex/Complex.hpp
deleted file mode 100644
index 8a6edd5..0000000
--- a/Operator_overloading/Complex/Complex.hpp
+++ /dev/null
@@ -1,136 +0,0 @@
-#include <iostream>
-class Complex
-{
-private:
-	double real;
-	double im;
-
-public:
-	Complex();
-	Complex(double real, double im);
-
-	Complex getConjugated() const;  //връща комплексно спрегнатото число на текущия обект.
-
-    //assignment operators 
-	// a+=b Към а се добавя стойността на b. а се променя , b не се. Операцията  ще върне a за да може да се правят верижни изрази (a+=b+=c)
-	Complex& operator+=(const Complex&);
-	Complex& operator-=(const Complex&);
-	Complex& operator*=(const Complex&);
-	Complex& operator/=(const Complex&);
-
-	
-
-	//stream opeartors   ( std::cout>> c1)  (std::cin<<c1 )
-	friend std::ostream& operator<<(std::ostream&, const Complex&);
-	friend std::istream& operator>>(std::istream&, Complex&);
-
-};
-// a+b. Операторът връща НОВА променлива(Complex), която е резултатът от операцията.
-Complex operator+(const Complex&, const Complex&);
-Complex operator-(const Complex&, const Complex&);
-Complex operator*(const Complex&, const Complex&);
-Complex operator/(const Complex&, const Complex&);
-
-
-
-Complex::Complex()
-{
-	real = 0;
-	im = 0;
-}
-Complex::Complex(double real, double im)
-{
-	this->real = real;
-	this->im = im;
-}
-Complex& Complex::operator+=(const Complex& other)
-{
-	real += other.real;
-	im += other.im;
-	return *this;
-}
-Complex& Complex::operator-=(const Complex& other)
-{
-	real -= other.real;
-	im -= other.im;
-	return *this;
-}
-Complex& Complex::operator*=(const Complex& other)
-{
-	int oldReal = real;
-	real = real*other.real - im*other.im;
-	im = oldReal*other.im + im * other.real;
-	return *this;
-}
-Complex& Complex::operator/=(const Complex& other) // a/=b
-{
-	Complex Conjugated = other.getConjugated(); //взимаме комплексно спрегнатата на другата дроб (b)
-	
-	Complex otherCopy(other);// копираме другата (b), за да не я промяняме.
-
-	//Умножаваме двете по комплексно спрегнатата.
-	*this *= Conjugated; 
-	otherCopy *= Conjugated; //Тук трябва да остане само реална част.
-
-	if (otherCopy.real != 0)
-	{
-		real /= otherCopy.real; 
-		im /= otherCopy.real;
-	}
-
-	return *this;
-}
-
-//След дефинирането на +=, -=, *= и /=, можем лесно да дефинираме +, -, * и /, преизползвайки вече написаните опратори.
-
-
-Complex operator+(const Complex& lhs, const Complex& rhs) { //a+b
-
-	Complex result(lhs); // Създаваме нов обект, който е копие на a (използваме копи-конструктора)
-	result += rhs; //към копието на a, добавяме b (Използваме вече дефинирания оператор +=)
-
-	return result; 
-}
-//Операторите -, *, / са аналогични с +. 
-Complex operator-(const Complex& lhs, const Complex& rhs) {
-	Complex result(lhs);
-	result -= rhs;
-
-	return result;
-}
-
-Complex operator*(const Complex& lhs, const Complex& rhs) {
-
-	Complex result(lhs);
-	result *= rhs;
-
-	return result;
-}
-
-Complex operator/(const Complex& lhs, const Complex& rhs) {
-
-	Complex result(lhs);
-	result /= rhs;
-
-	return result;
-}
-
-Complex Complex::getConjugated() const
-{
-	Complex result(*this);
-	result.im *= -1;
-
-	return result;
-}
-
-// за да можем да правим  cout<<c1 или да запазваме във файл и др. 
-std::ostream& operator<<(std::ostream& ofs, const Complex& r) {
-
-	return ofs << r.real << ' ' << r.im << 'i';
-}
-
-// за да можем да правим cin>>c1 или да четем от файл и др. 
-std::istream& operator>>(std::istream& ifs, Complex& r) {
-
-	return ifs >> r.real >> r.im;
-}
diff --git a/Operator_overloading/Vector/Source.cpp b/Operator_overloading/Vector/Source.cpp
deleted file mode 100644
index c2e3c70..0000000
--- a/Operator_overloading/Vector/Source.cpp
+++ /dev/null
@@ -1,14 +0,0 @@
-#include <iostream>
-#include "Vector.h"
-int main()
-{
-
-
-	Vector v1(2);
-	
-	std::cin >> v1;
-	
-	std::cout << (v1);
-
-   
-} 
diff --git a/Operator_overloading/Vector/Vector.cpp b/Operator_overloading/Vector/Vector.cpp
deleted file mode 100644
index 5059a66..0000000
--- a/Operator_overloading/Vector/Vector.cpp
+++ /dev/null
@@ -1,145 +0,0 @@
-#include "Vector.h"
-
-Vector::Vector() :coordinates(nullptr), length(0)
-{}
-Vector::Vector(int len)
-{
-	coordinates = new int[len];
-	for (int i = 0; i < len; i++)
-		coordinates[i] = 0;
-	length = len;
-}
-void Vector::CopyFrom(const Vector& other)
-{
-    coordinates = new int[other.length];
-	for (int i = 0; i < other.GetLen(); i++)
-		coordinates[i] = other.coordinates[i];
-	length = other.length;
-}
-void Vector::Free()
-{
-	delete[] coordinates;
-	length = 0;
-}
-Vector::Vector(const Vector& other)
-{
-	CopyFrom(other);
-}
-Vector& Vector::operator=(const Vector& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-Vector::~Vector()
-{
-	Free();
-}
-
-int& Vector::operator[](int index)
-{
-	if (index < length)
-		return coordinates[index];
-	else
-		throw 0;
-}
-void Vector::print()
-{
-	std::cout << '(';
-	for (int i = 0; i < length; i++)
-		std::cout << coordinates[i]<<" ";
-	std::cout <<')' <<std::endl;
-}
-
-int Vector::GetLen() const
-{
-	return length;
-}
-int Vector::GetAtIndex(int index) const
-{
-	if (index<length)
-		return coordinates[index];
-	else
-		return 0;
-}
-Vector& Vector::operator+=(const Vector& other)
-{
-	if (GetLen() != other.GetLen())
-		throw "Invalid operation";
-	for (int i = 0; i < other.length; i++)
-		coordinates[i] += other.coordinates[i];
-	return *this;
-}
-
-Vector& Vector::operator-=(const Vector& other)
-{
-	if (GetLen() != other.GetLen())
-		throw "Invalid operation";
-	for (int i = 0; i < other.length; ++i)
-		coordinates[i] -= other.coordinates[i];
-	return *this;
-}
-
-Vector& Vector::operator*=(int scalar)
-{
-	for (int i = 0; i < length; i++)
-		coordinates[i] *= scalar;
-	return *this;
-}
-Vector operator+(const Vector& lhs,const Vector& rhs)
-{
-	Vector temp(lhs);
-	temp += rhs;
-	return temp;
-}
-
-Vector operator-(const Vector& lhs, const Vector& rhs)
-{
-	Vector temp(lhs);
-	temp -= rhs;
-	return temp;
-}
-
-int operator%(const Vector& lhs, const Vector& rhs)
-{
-	int min = lhs.GetLen() < rhs.GetLen() ? lhs.GetLen() : rhs.GetLen();
-	int result = 0;
-	for (int i = 0; i < min; i++)
-		result += lhs.GetAtIndex(i) * rhs.GetAtIndex(i);
-	return result;
-}
-bool operator||(const Vector& lhs, const Vector& rhs)// a и b са перпендикулярни <-> a*K=b (K е константа).
-{
-	double coeff = lhs.GetAtIndex(0) / rhs.GetAtIndex(0);
-	for (int i = 1; i < lhs.GetLen(); i++)
-	{
-		if (lhs.GetAtIndex(i) == 0 || rhs.GetAtIndex(i) == 0)
-			continue;
-		double Newfirst = lhs.GetAtIndex(i);
-		double Newcoeff = Newfirst / rhs.GetAtIndex(i);
-		if (abs(Newcoeff-coeff)>0.01)
-			return false;
-	}
-	return true;
-}
-bool operator|=(const Vector& lhs, const Vector& rhs)
-{
-	return lhs%rhs == 0; //скаларното произведение на два успоредни вектора е 0.
-}
-
-std::ostream& operator<<(std::ostream& os, const Vector& v)
-{
-	for (int i = 0; i < v.GetLen(); ++i)
-		os << v.GetAtIndex(i) << " ";
-	return os;
-}
-
-std::istream& operator>>(std::istream& ifs, Vector& v)
-{
-	for (int i = 0; i < v.GetLen(); ++i)
-		ifs >> v[i];
-	return ifs;
-}
diff --git a/Operator_overloading/Vector/Vector.h b/Operator_overloading/Vector/Vector.h
deleted file mode 100644
index 9026d73..0000000
--- a/Operator_overloading/Vector/Vector.h
+++ /dev/null
@@ -1,37 +0,0 @@
-#include <iostream>
-class Vector
-{
-private:
-	int* coordinates;
-	int length;
-	void CopyFrom(const Vector& other);
-	void Free();
-public:
-	Vector();
-	Vector(int len);
-
-	Vector(const Vector& other);
-	Vector& operator=(const Vector& other);
-	~Vector();
-
-	int GetLen() const;
-
-	Vector& operator+=(const Vector& other);
-	Vector& operator-=(const Vector& other);
-	Vector& operator*=(int);
-
-	friend std::ostream& operator<<(std::ostream&, const Vector& v);
-	friend std::istream& operator>>(std::istream&, Vector& v);
-
-	int GetAtIndex(int index) const;
-	int& operator[](int index);// оператор за индексиране(като в масивите)  vector a; a[4] -взима четвъртия координат на вектора
-	void print();
-};
-
-Vector operator+(const Vector& lhs, const Vector& rhs);// Събиране на два вектора
-Vector operator-(const Vector& lhs, const Vector& rhs);// Изваждане на два вектора
-
-int operator%(const Vector& lhs, const Vector& rhs);   // Скаларно произведение на два вектора
-
-bool operator||(const Vector& lhs, const Vector& rhs); // Дали два вектора са успоредни
-bool operator|=(const Vector& lhs, const Vector& rhs); // Дали два вектора са перпендикулярни
diff --git a/Polymorphism/Farm(cloneFunction)/Animal.hpp b/Polymorphism/Farm(cloneFunction)/Animal.hpp
deleted file mode 100644
index 0f290ca..0000000
--- a/Polymorphism/Farm(cloneFunction)/Animal.hpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#pragma once

-#include <iostream>

-#include <string>

-using namespace std;

-class Animal

-{

-

-	string name;

-public:

-	Animal(string name)

-	{

-		this->name = name;

-	}

-	virtual void Roar() = 0;

-	virtual Animal* clone() = 0; // Всеки наследник се копира по различен начин.

-				     // За това правим тази виртуална функция и всеки наследник да окаже как се копират данните му.

-	virtual ~Animal() {};

-

-};

diff --git a/Polymorphism/Farm(cloneFunction)/Cat.hpp b/Polymorphism/Farm(cloneFunction)/Cat.hpp
deleted file mode 100644
index eba7ff0..0000000
--- a/Polymorphism/Farm(cloneFunction)/Cat.hpp
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "Animal.hpp"

-#include <iostream>

-

-class Cat : public Animal

-{

-public:

-	Cat(string name) :Animal(name)

-	{}

-	Animal* clone()

-	{

-		Animal* copy = new Cat(*this);

-		return copy;

-	}

-	void Roar()

-	{

-		std::cout << "meow meow" << std::endl;

-	}

-};

diff --git a/Polymorphism/Farm(cloneFunction)/Cow.hpp b/Polymorphism/Farm(cloneFunction)/Cow.hpp
deleted file mode 100644
index ba576a2..0000000
--- a/Polymorphism/Farm(cloneFunction)/Cow.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#include "Animal.hpp"

-class Cow : public Animal

-{

-public:

-	Cow(string name) :Animal(name)

-	{}

-	Animal* clone()

-	{

-		Animal* copy = new Cow(*this);

-		return copy;

-	}

-	void Roar()

-	{

-		std::cout << "muu mmuu" << std::endl;

-	}

-};

diff --git a/Polymorphism/Farm(cloneFunction)/Dog.hpp b/Polymorphism/Farm(cloneFunction)/Dog.hpp
deleted file mode 100644
index 9928c2a..0000000
--- a/Polymorphism/Farm(cloneFunction)/Dog.hpp
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "Animal.hpp"

-

-class Dog : public Animal

-{

-public:

-	Dog(string name) :Animal(name)

-	{}

-	void Roar()

-	{

-		std::cout << "bau bau" << std::endl;

-	}

-	Animal* clone()

-	{

-		Animal* copy = new Dog(*this);

-		return copy;

-	}

-

-};

diff --git a/Polymorphism/Farm(cloneFunction)/Farm.hpp b/Polymorphism/Farm(cloneFunction)/Farm.hpp
deleted file mode 100644
index 1ad3be5..0000000
--- a/Polymorphism/Farm(cloneFunction)/Farm.hpp
+++ /dev/null
@@ -1,106 +0,0 @@
-#include "Animal.hpp"

-#include "Cat.hpp"

-#include "Dog.hpp"

-#include "Cow.hpp"

-// Collection of all animals

-class Farm

-{

-	Animal** animals;

-	

-	int len;

-	int count;

-	

-	void Free();

-	void CopyFrom(const Farm& other);

-	

-	bool AddAnimal(Animal* an);

-public:

-	Farm(int len);

-	Farm(const Farm& other);

-	Farm& operator=(const Farm& other);

-	~Farm();

-	

-	bool AddCat(std::string name);

-	bool AddDog(std::string name);

-	bool AddCow(std::string name);

-	

-	void RoarAll();

-};

-Farm::Farm(int len)

-{

-	animals = new Animal*[len];

-	this->len = len;

-	count = 0;

-}

-Farm::Farm(const Farm& other)

-{

-	CopyFrom(other);

-}

-Farm& Farm::operator=(const Farm& other)

-{

-	if (this != &other)

-	{

-		Free();

-		CopyFrom(other);

-	}

-	return *this;

-}

-Farm::~Farm()

-{

-	Free();

-}

-bool Farm::AddAnimal(Animal* an)

-{

-	if(count == len)

-		return false;

-	animals[count++]=an;

-	return true;

-}

-bool Farm::AddCat(std::string name)

-{

-	Cat* c = new Cat(name);

-	if(!AddAnimal(c))

-	{

-		delete c;

-		return false;

-	}

-}

-bool Farm::AddDog(std::string name)

-{

-	Dog* c = new Dog(name);

-	if(!AddAnimal(c))

-	{

-		delete c;

-		return false;

-	}

-}

-bool Farm::AddCow(std::string name)

-{

-	Cow* c = new Cow(name);

-	if(!AddAnimal(c))

-	{

-		delete c;

-		return false;

-	}

-}

-void Farm::RoarAll()

-{

-	for (int i = 0; i < count; i++)

-		animals[i]->Roar();  //roar is a virtual function 

-	

-}

-void Farm::Free()

-{

-	for (int i = 0; i < count; i++)

-		delete animals[i]; //~Animal() is virtual

-	delete[] animals;

-}

-void Farm::CopyFrom(const Farm& other)

-{

-	animals = new Animal*[other.len];

-	for (int i = 0; i < other.count; i++)

-		animals[i] = other.animals[i]->clone(); //clone is a virtual function

-	len = other.len;

-	count = other.count;

-}

-

diff --git a/Polymorphism/Farm(cloneFunction)/Source.cpp b/Polymorphism/Farm(cloneFunction)/Source.cpp
deleted file mode 100644
index d6fcfc9..0000000
--- a/Polymorphism/Farm(cloneFunction)/Source.cpp
+++ /dev/null
@@ -1,13 +0,0 @@
-#include "Farm.hpp"
-
-using namespace std;
-int main()
-{
-    Farm f(4);
-    f.AddCat("Cat1");
-    f.AddCat("Cat2");
-    f.AddCow("Cow1");
-    f.AddDog("Dog1");
-    
-    f.RoarAll();
-}
diff --git a/Polymorphism/MathExpression/Expression.hpp b/Polymorphism/MathExpression/Expression.hpp
deleted file mode 100644
index 4f09790..0000000
--- a/Polymorphism/MathExpression/Expression.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#pragma once

-

-#include <iostream>

-

-class Expression

-{

-public:

-	virtual void Print() = 0;

-	virtual int Evaluate() = 0;

-	virtual ~Expression(){}

-	int getType(){ return type; }

-protected:

-	int type; //Ако обектът е NUM, ще пазим тук 1, а ако обектът е Операция, ще пазим тук 2.

-};

-

-

diff --git a/Polymorphism/MathExpression/Num.hpp b/Polymorphism/MathExpression/Num.hpp
deleted file mode 100644
index 91e1492..0000000
--- a/Polymorphism/MathExpression/Num.hpp
+++ /dev/null
@@ -1,26 +0,0 @@
-#pragma once

-

-#include "Expression.hpp"

-class Num : public Expression

-{

-	int number;

-public:

-	Num(int number)

-	{

-		this->number = number;

-		type = 1;

-	}

-	void Print()

-	{

-		std::cout << number;

-	}

-	int Evaluate()

-	{

-		return number;

-	}

-	int getNum()

-	{

-		return number;

-	}

-

-};
\ No newline at end of file
diff --git a/Polymorphism/MathExpression/Operation.hpp b/Polymorphism/MathExpression/Operation.hpp
deleted file mode 100644
index ade8404..0000000
--- a/Polymorphism/MathExpression/Operation.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-#pragma once

-#include "Expression.hpp"

-class Operation : public Expression

-{

-

-public:

-	Expression* left;

-	char op;

-	Expression* right;

-	Operation(Expression* left, char ch, Expression* right)

-	{

-

-		this->left = left;

-		op = ch;

-		this->right = right;

-		type = 2;

-

-	}

-	void Print()

-	{

-		std::cout << '(';

-		left->Print();

-		std::cout << op;

-		right->Print();

-		std::cout << ')';

-	}

-	int Evaluate()

-	{

-		int result = left->Evaluate();

-		int value2 = right->Evaluate();

-

-		if (op == '+')

-			result += value2;

-		else if (op == '*')

-			result *= value2;

-		else

-			return 0; //Invalid operation

-		return result;

-	}

-	~Operation()

-	{

-

-		delete left;

-		delete right;

-		op = '\0';

-	}

-

-};
\ No newline at end of file
diff --git a/Polymorphism/MathExpression/README.md b/Polymorphism/MathExpression/README.md
deleted file mode 100644
index 4472fb4..0000000
--- a/Polymorphism/MathExpression/README.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# Hierarchy
-
-
-![enter image description here](https://i.ibb.co/ZHnWnKG/1-hierarchy.jpg "Hierarchy")
-
-# How does an object looks like
-
-![enter image description here](https://i.ibb.co/KFfsf7S/2-Example-Expr.jpg "Example")
diff --git a/Polymorphism/MathExpression/main.hpp b/Polymorphism/MathExpression/main.hpp
deleted file mode 100644
index 5fa3f8f..0000000
--- a/Polymorphism/MathExpression/main.hpp
+++ /dev/null
@@ -1,43 +0,0 @@
-#include "Expression.hpp"

-#include "Num.hpp"

-#include "Operation.hpp"

-bool AreTheSame(Expression* left, Expression* right);

-int main()

-{	

-	Expression* l = new Num(3);

-	Expression* r = new Num(7);

-	Expression* final1 = new Operation(l, '+', r);

-

-	Expression* l2 = new Num(3);

-	Expression* r2 = new Num(7);

-	Expression* final2 = new Operation(l2, '+', r2);

-

-	std::cout << final1->Evaluate();

-	

-	std::cout << AreTheSame(final1, final2);

-

-	delete final1, final2; //Винаги трием най-големите 'Expression-и'. Те се грижат за по-малките от които са образувани.

-

-	

-

-}

-bool AreTheSame(Expression* left, Expression* right)

-{

-	if (left->getType() != right->getType())//гледаме дали не са от раличен тип (едното да е опрация,другото да е число)

-		return false; //очевидно са различни тогава

-

-	if (left->getType() == 1) //ако двете са числа

-	{

-		Num* l = (Num*)left; //Конвертираме пойнтерите

-		Num* r = (Num*)right;

-		return l->getNum() == r->getNum(); //сравняваме стойностите

-	}

-	else //Ако двете са операции

-	{

-		Operation* l = (Operation*)left;

-		Operation* r = (Operation*)right;

-		return  (l->op == l->op) && AreTheSame(l->left, r->left) && AreTheSame(l->right, r->right);

-		//гледаме дали знаците на опрациите съвпадат, дали левите страни съвпадат и дали десните страни съвпадат.

-	}

-

-}

diff --git a/Polymorphism/Shapes/Circle.cpp b/Polymorphism/Shapes/Circle.cpp
deleted file mode 100644
index e625123..0000000
--- a/Polymorphism/Shapes/Circle.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include "Circle.h"
-
-Circle::Circle(int x, int y, int r) : Shape(1), radius(r)
-{
-	setPoint(x, y, 0);
-}
-double Circle::getArea()
-{
-	return PI * radius * radius;
-}
-double Circle::getPer()
-{
-	return 2 * PI * radius;
-}
-Shape* Circle::clone()
-{
-	Circle* newCircle = new Circle(*this);
-	return newCircle;
-}
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Circle.h b/Polymorphism/Shapes/Circle.h
deleted file mode 100644
index c648690..0000000
--- a/Polymorphism/Shapes/Circle.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#include "Shape.h"
-
-const double PI = 3.14;
-class Circle : public Shape
-{
-
-	int radius;
-public:
-	Circle(int x, int y, int radius);
-
-	double getArea();
-	double getPer();
-
-	Shape* clone();
-
-};
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Point.h b/Polymorphism/Shapes/Point.h
deleted file mode 100644
index acacb85..0000000
--- a/Polymorphism/Shapes/Point.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#pragma once
-#include <iostream>
-struct Point
-{
-	int x;
-	int y;
-	Point(int x, int y)
-	{
-		this->x = x;
-		this->y = y;
-	}
-	Point() : Point(0,0)
-	{}
-	double getDist(const Point& other) const
-	{
-		return sqrt((x - other.x)*(x - other.x) + (y - other.y) * (y - other.y));
-	}
-};
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Rectangle.cpp b/Polymorphism/Shapes/Rectangle.cpp
deleted file mode 100644
index b684c50..0000000
--- a/Polymorphism/Shapes/Rectangle.cpp
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "Rectangle.h"
-
-
-Rectangle::Rectangle(int x1, int y1, int x3, int y3) : Shape(4)
-{
-	setPoint(x1, y1, 0);
-	setPoint(x3, y3, 2);
-	setPoint(x1, y3, 1);
-	setPoint(x3, y1, 3);
-}
-
-double Rectangle::getPer()
-{
-	return 2 * (getPoint(0).getDist(getPoint(1)) + getPoint(1).getDist(getPoint(2)) );
-}
-double Rectangle::getArea()
-{
-	return getPoint(0).getDist(getPoint(1)) * getPoint(1).getDist(getPoint(2));
-}
-Shape* Rectangle::clone()
-{
-	Rectangle* newRect = new Rectangle(*this);
-	return newRect;
-}
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Rectangle.h b/Polymorphism/Shapes/Rectangle.h
deleted file mode 100644
index 681a021..0000000
--- a/Polymorphism/Shapes/Rectangle.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#include "Shape.h"
-class Rectangle : public Shape
-{
-public:
-	Rectangle(int x1, int y1, int x3, int y3);
-
-	double getPer();
-	double getArea();
-
-	Shape* clone();
-};
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Shape.cpp b/Polymorphism/Shapes/Shape.cpp
deleted file mode 100644
index 0751108..0000000
--- a/Polymorphism/Shapes/Shape.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-#include "Shape.h"
-
-Shape::Shape(int pointsCount)
-{
-	points = new Point[pointsCount];
-	this->pointsCount = pointsCount;
-}
-
-void Shape::setPoint(int x, int y, int ind)
-{
-	Point current(x, y);
-	points[ind] = current;
-		
-}
-
-const Point& Shape::getPoint(int ind)
-{
-	return points[ind];
-}
-
-void Shape::CopyFrom(const Shape& other)
-{
-	points = new Point[other.pointsCount];
-	pointsCount = other.pointsCount;
-
-	for (int i = 0; i < pointsCount; i++)
-		points[i] = other.points[i];
-}
-void Shape::Free()
-{
-	delete[] points;
-	pointsCount = 0;
-}
-Shape::Shape(const Shape& other)
-{
-	CopyFrom(other);
-}
-Shape& Shape::operator=(const Shape& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-Shape::~Shape()
-{
-	Free();
-}
diff --git a/Polymorphism/Shapes/Shape.h b/Polymorphism/Shapes/Shape.h
deleted file mode 100644
index f31e42e..0000000
--- a/Polymorphism/Shapes/Shape.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#pragma once
-
-#include "Point.h"
-
-class Shape
-{
-	Point* points;
-	int pointsCount;
-
-	void CopyFrom(const Shape& other);
-	void Free();
-
-public:
-	Shape(int pointsCount);
-	Shape(const Shape& other);
-	Shape& operator=(const Shape& other);
-	virtual ~Shape();
-
-	void setPoint(int x, int y, int ind);
-	const Point& getPoint(int ind);
-
-	virtual double getPer() =0;
-	virtual double getArea() = 0;
-
-	virtual Shape* clone() = 0;
-
-};
\ No newline at end of file
diff --git a/Polymorphism/Shapes/ShapeCollection.cpp b/Polymorphism/Shapes/ShapeCollection.cpp
deleted file mode 100644
index 8fcad3c..0000000
--- a/Polymorphism/Shapes/ShapeCollection.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-#include "ShapeCollection.h"
-
-ShapeCollection::ShapeCollection()
-{
-	count = 0;
-	capacity = 8;
-
-	data = new Shape*[capacity];
-}
-
-void ShapeCollection::AddCircle(int x1, int y1, int r)
-{
-	Circle* current = new Circle(x1, y1, r);
-	Add(current);
-
-}
-void ShapeCollection::AddTriagnle(int x1, int y1, int x2, int y2, int x3, int y3)
-{
-	Triangle* current = new Triangle(x1, y1, x2, y2, x3, y3);
-	Add(current);
-}
-void ShapeCollection::AddRect(int x1, int y1, int x2, int y2)
-{
-	Rectangle* current = new Rectangle(x1, y1, x2, y2);
-	Add(current);
-}
-void ShapeCollection::Add(Shape* currentShape)
-{
-	if (count == capacity)
-		Resize();
-	data[count++] = currentShape;
-}
-void ShapeCollection::Free()
-{
-	for (int i = 0; i < count; i++)
-		delete data[i];
-
-	delete[] data;
-}
-void ShapeCollection::CopyFrom(const ShapeCollection& other)
-{
-	data = new Shape*[other.count];
-	capacity = other.capacity;
-	count = other.count;
-	for (int i = 0; i < other.count; i++)
-		data[i] = other.data[i]->clone();
-
-}
-ShapeCollection::ShapeCollection(const ShapeCollection& other)
-{
-	CopyFrom(other);
-}
-ShapeCollection& ShapeCollection::operator = (const ShapeCollection& other)
-{
-	if (this != &other)
-	{
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-ShapeCollection::~ShapeCollection()
-{
-	Free();
-}
-void ShapeCollection::Resize()
-{
-	Shape** temp = new Shape*[capacity * 2];
-	capacity *= 2;
-	for (int i = 0; i < count; i++)
-		temp[i] = data[i];
-	delete[] data;
-	data = temp;
-
-
-}
-void ShapeCollection::PrintAllAreas()
-{
-	for (int i = 0; i < count; i++)
-		std::cout << data[i]->getArea() << " ";
-	std::cout<<std::endl;
-}
-void ShapeCollection::PrintAllPers()
-{
-	for (int i = 0; i < count; i++)
-		std::cout << data[i]->getPer() << " ";
-	std::cout << std::endl;
-}
\ No newline at end of file
diff --git a/Polymorphism/Shapes/ShapeCollection.h b/Polymorphism/Shapes/ShapeCollection.h
deleted file mode 100644
index 36f6092..0000000
--- a/Polymorphism/Shapes/ShapeCollection.h
+++ /dev/null
@@ -1,30 +0,0 @@
-#include "Circle.h"
-#include "Rectangle.h"
-#include "Triangle.h"
-
-class ShapeCollection
-{
-	Shape** data;
-	int count;
-	int capacity;
-
-	void Resize();
-
-	void Add(Shape* currentShape);
-
-	void CopyFrom(const ShapeCollection& other);
-	void Free();
-public:
-	ShapeCollection();
-
-	ShapeCollection(const ShapeCollection& other);
-	ShapeCollection& operator=(const ShapeCollection& other);
-	~ShapeCollection();
-
-	void AddCircle(int x1,int x2,int r);
-	void AddTriagnle(int x1,int y1,int x2,int y2,int x3,int y3);
-	void AddRect(int x1, int y1, int x2, int y2);
-
-	void PrintAllAreas();
-	void PrintAllPers();
-};
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Source.cpp b/Polymorphism/Shapes/Source.cpp
deleted file mode 100644
index 3381111..0000000
--- a/Polymorphism/Shapes/Source.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-
-using namespace std;
-#include <fstream>
-#include <vector>
-#include "ShapeCollection.h"
-
-int main()
-{
-	ShapeCollection sh;
-
-	sh.AddCircle(3, 3, 5);
-	sh.AddTriagnle(1, 4, 2, 11, 7, 4);
-	sh.AddRect(1, 1, 4, 4);
-
-	sh.PrintAllAreas();
-
-/*  lamda fucntion example
-	std::vector<Circle> s;
-	s.push_back(Circle(3, 4, 4));
-	s.push_back(Circle(1, 2, 3));
-
-	std::sort(s.begin(), s.end(),
-		[](Circle& lhs, Circle& rhs) -> bool
-	{
-		return lhs.getArea() < rhs.getArea();
-	});*/
-
-
-
-}
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Triangle.cpp b/Polymorphism/Shapes/Triangle.cpp
deleted file mode 100644
index 545e2a6..0000000
--- a/Polymorphism/Shapes/Triangle.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "Triangle.h"
-
-Triangle::Triangle(int x1, int y1, int x2, int y2, int x3, int y3) : Shape(3)
-{
-	setPoint(x1, y1, 0);
-	setPoint(x2, y2, 1);
-	setPoint(x3, y3, 2);
-}
-
-double Triangle::getArea()
-{
-	double sideA = getPoint(0).getDist(getPoint(1));
-	double sideB = getPoint(1).getDist(getPoint(2));
-	double sideC = getPoint(2).getDist(getPoint(0));
-
-	double halfPer = getPer() / 2;
-
-	return sqrt(halfPer * (halfPer - sideA) *
-		(halfPer - sideB) * (halfPer - sideC));
-}
-double Triangle::getPer()
-{
-	return getPoint(0).getDist(getPoint(1)) +
-		getPoint(1).getDist(getPoint(2)) +
-		getPoint(2).getDist(getPoint(0));
-}
-Shape* Triangle::clone()
-{
-	Triangle* newTriangle = new Triangle(*this);
-	return newTriangle;
-}
\ No newline at end of file
diff --git a/Polymorphism/Shapes/Triangle.h b/Polymorphism/Shapes/Triangle.h
deleted file mode 100644
index b038e80..0000000
--- a/Polymorphism/Shapes/Triangle.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#include "Shape.h"
-
-class Triangle : public Shape
-{
-public:
-	Triangle(int x1, int y1, int x2, int y2, int x3, int y3);
-
-	double getArea();
-	double getPer();
-
-	Shape* clone();
-};
\ No newline at end of file
diff --git a/README.md b/README.md
index 5ddb799..243a7fd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-### Код от семинарите по "Обектно-ориентирано програмиране" 
-### -спец. Информатика, ФМИ
+### Код от семинарите по СДП - спец. Компютърни науки - летен семестър 2020/2021
 
-![enter image description here](https://i.ibb.co/4V0sNg9/programa.png "Учебна програма")
+
+ - **Тема  1** 
\ No newline at end of file
diff --git a/Smart_pointers/1. uniqe_ptr.cpp b/Smart_pointers/1. uniqe_ptr.cpp
deleted file mode 100644
index a865776..0000000
--- a/Smart_pointers/1. uniqe_ptr.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-#include <iostream>
-#include <memory> 
-
-using namespace std;
-
-class Test
-{
-public:
-  Test()
-  {
-      cout<<"Test()"<<endl;
-  }
-  Test(const Test& other)
-  {
-       cout<<"Copy constructor"<<endl;
-  }
-  Test& operator=(const Test& other)
-  {
-      cout<< "Assignment operator" <<endl;
-  }
-  ~Test()
-  {
-      cout<<"Detructor"<<endl;
-  }
-  void f()
-  {
-
-  }
-    
-};
-int main()
-{
-	{
-		unique_ptr<Test> smart_pointer_1(new Test()); //Test()
-		
-		smart_pointer_1->f(); // Достъпваме данните, както с обикновен пойнтер.
-		
-		Test* obj = smart_pointer_1.get(); //От тук иматаме достъп до паметта, към която сочи пойнтера.
-		//delete obj; // Това не трябва да се прави! smart_pointer_1 не знае, че паметта е освободена и ще се опита да я освободи, което ще доведе до грешка!
-
-	}  // Detructor  (Паметта се освобождава сама след премахването на пойнтера)
-
-	{
-		
-		unique_ptr<Test> smart_pointer_2(new Test());
-
-       	 	unique_ptr<Test> smart_pointer_3 = move(smart_pointer_2);
-		// unique_ptr<Test> smart_pointer_3(smart_pointer_2); //този синтаксис (както и оператор =) не е валиден! Те бяха валидни в стария и не толкова иползван auto_ptr.
-
-		smart_pointer_2.get(); // Това ще даде NULL, защото smart_pointer_3 "открадна" обекта на smart_pointer_2 
-		
-	}
-    
-    
-    return 0;
-}
diff --git a/Smart_pointers/2. shared_ptr.cpp b/Smart_pointers/2. shared_ptr.cpp
deleted file mode 100644
index b8437a8..0000000
--- a/Smart_pointers/2. shared_ptr.cpp
+++ /dev/null
@@ -1,53 +0,0 @@
-#include <iostream>
-#include <memory> 
-
-using namespace std;
-
-class Test
-{
-public:
-	Test()
-	{
-		cout << "Test()" << endl;
-	}
-	Test(const Test& other)
-	{
-		cout << "Copy constructor" << endl;
-	}
-	Test& operator=(const Test& other)
-	{
-		cout << "Assignment operator" << endl;
-	}
-	~Test()
-	{
-		cout << "Detructor" << endl;
-	}
-
-};
-int main()
-{
-
-
-	shared_ptr<Test> smart_pointer_1(new Test());
-
-	cout << smart_pointer_1.get() << endl; //адресът на обекта.
-
-	shared_ptr<Test> smart_pointer_2(smart_pointer_1);
-
-	cout << smart_pointer_1.get() << endl; //За разлика от uniqe_ptr, тук smart_pointer_1 ПРОДЪЛЖАВА да сочи към обекта.  
-
-	cout << smart_pointer_2.use_count() << endl; //може да видим колко пойнтера са насочени към обекта.
-	// Обектът ще се изтрие, когато пойнтерите станат 0.
-
-
-	{
-		shared_ptr<Test> smart_pointer_3 = smart_pointer_2;
-
-		cout << smart_pointer_1.use_count() << endl; //3 пойнтера към обекта ни.
-
-	}
-	cout << smart_pointer_1.use_count() << endl; // 2, защото smart_pointer_3 вече го няма.
-
-	return 0;
-} //тук изчезват пойнтерите -> броят им става 0 и обекта се изтрива(изтрива се от последния пойнтер преди да изчезне)
-//Възможно е да се получи цикличност. Един shared_ptr да реферира друг shared_ptr, който обратно да реферира първия! Как да се справим с проблема ще видим в точка 3. (weak_ptr)
diff --git a/Smart_pointers/3. weak_ptr.cpp b/Smart_pointers/3. weak_ptr.cpp
deleted file mode 100644
index 044985a..0000000
--- a/Smart_pointers/3. weak_ptr.cpp
+++ /dev/null
@@ -1,52 +0,0 @@
-#include <iostream>
-#include <memory> 
-
-using namespace std;
-
-class Test
-{
-public:
-	Test()
-	{
-		cout << "Test()" << endl;
-	}
-	Test(const Test& other)
-	{
-		cout << "Copy constructor" << endl;
-	}
-	Test& operator=(const Test& other)
-	{
-		cout << "Assignment operator" << endl;
-	}
-	~Test()
-	{
-		cout << "Detructor" << endl;
-	}
-	void f()
-	{
-
-	}
-
-};
-int main()
-{
-
-
-	shared_ptr<Test> smart_pointer_1(new Test());
-
-	cout << smart_pointer_1.get() << endl; //адресът на обекта.
-
-	weak_ptr<Test> smart_pointer_2(smart_pointer_1);
-
-	cout << smart_pointer_2.use_count() << endl;  // 1 - weak_ptr НЕ участва в бройката на пойнтерите към обектите.
-
-	//smart_pointer_2->f(); ГРЕШКА!	    
-	//Това е само за временно пазане на адреса! НЕ МОЖЕМ да достъпим данните. Ако искате да достъпите данните на този пойнтер трябва да го превърнете(заключте) в shared_ptr!. 
-
-	shared_ptr<Test> smart_pointer_3 = smart_pointer_2.lock(); //.lock() връща shared_ptr към обекта.
-
-	cout << smart_pointer_1.use_count() << endl;//2
-
-	smart_pointer_3->f(); // .. и тн.
-
-}
diff --git a/Templates/Queue/Queue.hpp b/Templates/Queue/Queue.hpp
deleted file mode 100644
index 128f1df..0000000
--- a/Templates/Queue/Queue.hpp
+++ /dev/null
@@ -1,121 +0,0 @@
-#ifndef QUEUE_HDR
-#define QUEUE_HDR
-
-#include <iostream>
-using namespace std;
-
-template<typename T>
-class Queue {
-private:
-	T * arr;
-	int capacity;
-	int count;
-
-	int whereToPut;
-	int whereToGet;
-	void Resize();
-	void CopyFrom(const Queue<T>& other);
-	void Free();
-
-public:
-	Queue();
-	Queue(const Queue<T>& other);
-	Queue<T>& operator=(const Queue<T>& other);
-	~Queue();
-
-	bool isEmpty() const;
-	void Push(T el);
-	T Pop();
-	T& Peek();
-};
-
-template <typename T>
-void Queue<T>::Resize() {
-	T* temp = new T[capacity * 2];
-	for (int i = 0; i < capacity; ++i)
-		temp[i] = Pop();
-	whereToGet = 0;
-	whereToPut = capacity;
-	count = capacity;
-	capacity *= 2;
-	delete[] arr;
-	arr = temp;
-}
-
-template <typename T>
-void Queue<T>::CopyFrom(const Queue<T>& other) {
-	arr = new T[other.capacity];
-	for (int i = 0; i < other.count; ++i)
-		arr[i] = other.arr[i];
-	count = other.count;
-	capacity = other.capacity;
-	whereToPut = other.whereToPut;
-	whereToGet = other.whereToGet;
-}
-
-template <typename  T>
-void Queue<T>::Free() {
-	delete[] arr;
-	count = capacity = 0;
-}
-
-template <typename T>
-Queue<T>::Queue() {
-	arr = new T[4];
-	capacity = 4;
-	count = 0;
-	whereToPut = 0;
-	whereToGet = 0;
-}
-
-template <typename T>
-Queue<T>::Queue(const Queue<T>& other) {
-	CopyFrom(other);
-}
-
-template <typename T>
-Queue<T>& Queue<T>::operator=(const Queue<T>& other) {
-	if (this != &other) {
-		Free();
-		CopyFrom(other);
-	}
-	return *this;
-}
-
-template <typename T>
-Queue<T>::~Queue() {
-	Free();
-}
-
-template <typename T>
-bool Queue<T>::isEmpty() const {
-	return count == 0;
-}
-
-template <typename T>
-void Queue<T>::Push(T el) {
-	if (count == capacity)
-		Resize();
-	arr[whereToPut] = el;
-	(whereToPut += 1) %= capacity;
-	count++;
-}
-
-template <typename T>
-T Queue<T>::Pop() {
-	if (count == 0)
-		throw "Queue is empty";
-	T elToReturn = arr[whereToGet];
-	count--;
-	(whereToGet += 1) %= capacity;
-	return  elToReturn;
-}
-
-template <typename T>
-T& Queue<T>::Peek() {
-	if (isEmpty())
-		throw std::logic_error("empty queue");
-	return arr[whereToGet];
-}
-
-#endif // !QUEUE_HDR
diff --git a/Templates/Queue/main.cpp b/Templates/Queue/main.cpp
deleted file mode 100644
index 89b8468..0000000
--- a/Templates/Queue/main.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#include "Queue.hpp"
-
-
-int main()
-{
-	Queue<int> q;
-	q.Enqueue(3);
-	q.Dequeue();
-	q.Enqueue(1);
-	q.Enqueue(2);
-	q.Enqueue(3);
-	q.Enqueue(4);
-	q.Enqueue(5);
-	q.Enqueue(6);
-	cout<<q.Dequeue();
-
-	cout << q.Dequeue();
-	cout << q.Dequeue();
-	cout << q.Dequeue();
-	cout << q.Dequeue();
-	cout << q.Dequeue();
-	return 0;
-}
diff --git a/Templates/test.txt b/Templates/test.txt
deleted file mode 100644
index e69de29..0000000
--- a/Templates/test.txt
+++ /dev/null