diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..96eeaf2
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: g++.exe build active file",
+            "command": "C:\\msys64-2\\ucrt64\\bin\\g++.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${workspaceFolder}/*.cpp",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/1/.vscode/tasks.json b/1/.vscode/tasks.json
new file mode 100644
index 0000000..96eeaf2
--- /dev/null
+++ b/1/.vscode/tasks.json
@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: g++.exe build active file",
+            "command": "C:\\msys64-2\\ucrt64\\bin\\g++.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${workspaceFolder}/*.cpp",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}
\ No newline at end of file
diff --git a/1/1.cpp b/1/1.cpp
index b83dbef..99df921 100644
--- a/1/1.cpp
+++ b/1/1.cpp
@@ -4,14 +4,42 @@
 #include <algorithm>
 using namespace std;
 
+#define MAX_SIZE 100
+
 class Person {
 public:
 	
 	Person(const string& name) {
 		this->name = name;
+		age = 0;
+	}
+	
 
+	Person(string _name, int _age)
+	{
+		name = _name;
+		age = _age;
 	}
+	Person()
+	{
+		name = " ";
+		age = 0;
+	}
+
+	string getName() const {return name;}
 	string& getName()  { return name; }
+	void setName(const string& _name) {name = _name;}
+	void setAge(int _age) {age = _age;}
+
+    bool operator<(const Person& person) const {
+        return name < person.name;
+    }
+	bool operator==(const Person& person) const
+	{
+		return (person.name == name);
+	}
+
+	friend class Group;
 
 private:
 	string name;
@@ -20,12 +48,13 @@ class Person {
 };
 
 ostream& operator<<(ostream& out, const Person& p) {
-	cout << p.getName();
+	out << p.getName();
 	return out;
 }
 
 
 
+
 class Group {
 public:
 
@@ -34,29 +63,98 @@ class Group {
 		this->members = new Person[max_lenght];
 		this->size = 0;
 	}
-	void add(Person p) {
-		if (this->size == this->cap) {
-			return;
+	Group(const Group& other) {
+        this->cap = other.cap;
+        this->size = other.size;
+        this->members = new Person[other.cap];
+
+        for (int i = 0; i < other.size; i++) {
+            this->members[i] = other.members[i];
+        }
+    }
+	Group(Group& g)
+	{
+		this->size = g.size;
+		this->cap = g.cap;
+		this->members = new Person[g.cap];
+		for(int i = 0;i < g.size;++i)
+		{
+			this->members[i] = g.members[i];
 		}
-		this->members[size] = p;
-		this->size++;
 	}
-	void deletePerson(string name) {
-		int i;
-		for (i = 0; i < size; i++) {
-			if(members[i].name == name)
-				break;
-			
+	Group& operator=(const Group& other) {
+        if (this != &other) {
+            delete[] members;
+            this->cap = other.cap;
+            this->size = other.size;
+            this->members = new Person[other.cap];
+
+            for (int i = 0; i < other.size; i++) {
+                this->members[i] = other.members[i];
+            }
+        }
+        return *this;
+    }
+	void add(const Person& p) {
+        if (size == cap) {
+            return;
+        }
+        members[size] = p;
+        size++;
+    }
+    void deletePerson(const string& name) {
+        int i;
+        for (i = 0; i < size; i++) {
+            if (members[i].getName() == name)
+                break;
+        }
+        if (i == size) {
+            return;
+        }
+        for (int index = i; index < size - 1; index++) {
+            members[index] = members[index + 1];
+        }
+        members[size - 1].setName("");
+        size--;
+    }
+	Group operator+(const Group& g) const {
+        Group res(size + g.size);
+        for (int i = 0; i < size; ++i) {
+            res.members[i] = members[i];
+        }
+        for (int i = size, j = 0; i < size + g.size; ++i, ++j) {
+            res.members[i] = g.members[j];
+        }
+        res.size = size + g.size;
+        res.cap = size + g.size;
+        return res;
+    }
+	Group& operator+=(const Group& g) {
+        cap = size + g.size;
+		Person *tmp = new Person[cap];
+		for(int i = 0;i < size;++i)
+		{
+			tmp[i] = members[i];
 		}
-		for (int index = i; index < size - 1; index++) {
-			members[index] = members[index + 1];
+		members = new Person[cap];
+		for(int i = 0;i < size;++i)
+		{
+			members[i] = tmp[i];
 		}
-		size--;
-	}
+        for (int i = size, j = 0; i < size + g.size; ++i, ++j) {
+            members[i] = g.members[j];
+            size++;
+        }
+		delete []tmp;
+        return *this;
+    }
+
+	friend ostream& operator<< (ostream& out, const Group &g);
 
 	~Group() {
 		delete[] members;
 	}
+	friend bool isGroupFull(const Group& g);
 
 private:
 	int size;
@@ -65,39 +163,47 @@ class Group {
 
 };
 
-bool isGroupFull(Group g) {
-	return (g.size == g.cap);
+ostream& operator<< (ostream& out, const Group &g)
+{
+	for(int i = 0;i < g.size; ++i)
+	{
+		out << g.members[i] << '\t';	
+	}
+	return out;
+}
+
+bool isGroupFull(const Group& g) {
+    return (g.size == g.cap);
 }
 
 int main()
 {
-	/*
 	Person p1("somename");
-	Person p1("somename2");
+	Person p2("somename2");
 	cout << p1<<p2;
-	*/
-	/*
+	
 	Group g1(5);
 	g1.add({ "Erfan",20 });
 	g1.add({ "Saba",20 });
 	g1.add({ "Mahrokh",20 });
 	g1.add({ "Yasin",21 });
 	cout<<isGroupFull(g1)<<endl;
-	*/
-	/*
+	
+	
 	Group g2(g1);
 	Group g3(10);
 	g2.deletePerson("Erfan");
 	cout << g1<<endl;//should cout every person in it with a \t as the separator
 	cout << g2 << endl;
-	*/
-	/*
+	
+	
 	g3 = g1;
 	cout << g3;
 	g3 =  g2 + g3;//adds members of g2 and g3 to each other
 	g3 += g3 += g3 += g3;
-	*/
-	/*
+
+	
+	
 	Person persons[10];
 	Person Erfan("Erfan",20);
 	persons[1]=Erfan;
@@ -108,18 +214,9 @@ int main()
 
 	for(int i=0;i<10;i++){
 		cout<<persons[i].getName()<<' ';
-	}*/
-	/*
+	}
+	
 	cout<<*find(persons,persons+10,Erfan);
-	*/
 	
-
-
-
-
-
-
-
-
-}
-
+	return 0;
+}
\ No newline at end of file
diff --git a/1/1.exe b/1/1.exe
new file mode 100644
index 0000000..6d33161
Binary files /dev/null and b/1/1.exe differ
diff --git a/2/Score.cpp b/2/Score.cpp
index c107032..112778c 100644
--- a/2/Score.cpp
+++ b/2/Score.cpp
@@ -1,6 +1,8 @@
 #include "Score.h"
 
-Score::Score(int score,char* detail, Label label) :ID(Score::ID_generator) {
+int Score::ID_generator = 0;
+
+Score::Score(int score,const char* detail, Label label) :ID(Score::ID_generator) {
 	this->score = score;
 	this->label = label;
 	this->detail = detail;
@@ -8,5 +10,50 @@ Score::Score(int score,char* detail, Label label) :ID(Score::ID_generator) {
 	ID_generator++;
 
 }
+Score::Score(int score,const string detail, Label label) :ID(Score::ID_generator) {
+	this->score = score;
+	this->label = label;
+	this->detail = detail;
+
+	ID_generator++;
 
+}
+Score::Score():ID(0)
+{
+	score = 0;
+	label = GREAT;
+	detail = " ";
+}
 
+void print(const Score& score)
+{
+	cout << "Score: " << score.score << endl;
+    cout << "Label: ";
+    switch (score.label)
+    {
+        case Score::GREAT:
+            cout << "GREAT";
+            break;
+        case Score::GOOD:
+            cout << "GOOD";
+            break;
+        case Score::NOTBAD:
+            cout << "NOTBAD";
+            break;
+        case Score::BAD:
+            cout << "BAD";
+            break;
+    }
+    cout << endl;
+    cout << "Detail: " << score.detail << endl;
+}
+void Score::set_score(int _score){score = _score;}
+void Score::set_label(Label _label){label = _label;}
+void Score::set_detail(const string& _detail){detail = _detail;}
+void Score::setID_generator(int id_g){ID_generator = id_g;}
+Score Score::operator=(const Score &sc)
+{
+    Score res(sc.score,sc.detail,sc.label);
+    return res;
+}
+Score::~Score(){}  
diff --git a/2/Score.h b/2/Score.h
index 0dd79cb..8e1856e 100644
--- a/2/Score.h
+++ b/2/Score.h
@@ -1,3 +1,5 @@
+#ifndef SCORE_H
+#define SCORE_H
 #include <iostream>
 #include <string>
 using namespace std;
@@ -10,9 +12,18 @@ class Score {
 		GOOD,
 		NOTBAD,
 		BAD,
-	}Label;
+	}Label; 
 
-	Score(int score,  char* detail, Label label);
+	Score(int score, const char* detail, Label label);
+	Score(int score, const string detail, Label label);
+	Score();
+	void set_score(int _score);
+	void set_label(Label _label);
+	void set_detail(const string& _detail);
+	void setID_generator(int id_g);
+	Score operator=(const Score &scor);
+	
+	~Score();
 private:
 	int score;
 	Label label;
@@ -21,5 +32,5 @@ class Score {
 	static int ID_generator;
 };
 
-
+#endif
 
diff --git a/2/main.cpp b/2/main.cpp
index 64d213e..0915e54 100644
--- a/2/main.cpp
+++ b/2/main.cpp
@@ -5,6 +5,11 @@
 #include <algorithm>
 #include "Score.h"
 #include "SomeRandomDotHFile.h"
+#include <cstdlib>
+#include <ctime>
+
+int Score::ID_generator = 0; 
+
 using namespace std;
 #define FOR(n) for(int i=0;i<n;i++)
 #define SETSCORE(i) int score=rand()%20+1;/*no 0s*/\
@@ -13,7 +18,7 @@ scores[i] = Score( score,("some string " + to_string(i)).c_str(),Score::Label(3-
 
 int main()
 {
-	
+	 
 	srand(time(NULL));
 
 	Score s1(1, "do better next time", Score::BAD);
@@ -28,5 +33,7 @@ int main()
 	}
 	Score::setID_generator(Score::ID_generator+100);//just a setter for ID_generator
 
+	return 0;
+
 }