From 725eb1fa147be27f511754a1006ce3e13eacef69 Mon Sep 17 00:00:00 2001
From: zagrichanskiy <zagrichanskiy@gmail.com>
Date: Sat, 8 Feb 2014 11:24:57 +0200
Subject: [PATCH 1/5] Update 3.cpp

---
 3.cpp | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/3.cpp b/3.cpp
index 169e055..b682570 100644
--- a/3.cpp
+++ b/3.cpp
@@ -4,6 +4,8 @@
 // на вход. В функции main() создайте проинициализированный 
 // список, со значениями value равными: 1, 2, 3, 4 и 5.
 
+#define     NULL  0
+
 struct List
 {
       int value;
@@ -12,12 +14,30 @@ struct List
 
 // Add should create new List object, initialize it by value and add it to the end of the list.
 // It should return pointer to the added List object.
-List* Add(List* l, int value)
+List* Add(List* beg, int value)
 {
-
+      List* new_item = new List;
+      new_item->value = value;
+      new_item->next = NULL;
+      
+      if (beg) {
+            List* temp = beg;
+            while (temp->next)
+                  temp = temp->next;
+            temp->next = new_item;
+      }
+      
+      return new_item;
 }
 
 int main(int argc, char* argv[])
 {
-return 0;
-}
\ No newline at end of file
+      List* begin = NULL;
+      begin = Add(begin, 1);
+      Add(begin, 2);
+      Add(begin, 3);
+      Add(begin, 4);
+      Add(begin, 5);
+      
+      return 0;
+}

From 20fb8d83195f9e916bfdb4590692eb6ee7c49d13 Mon Sep 17 00:00:00 2001
From: zagrichanskiy <zagrichanskiy@gmail.com>
Date: Sat, 8 Feb 2014 14:44:36 +0200
Subject: [PATCH 2/5] Update 3.cpp

---
 3.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/3.cpp b/3.cpp
index b682570..295910a 100644
--- a/3.cpp
+++ b/3.cpp
@@ -14,13 +14,13 @@ struct List
 
 // Add should create new List object, initialize it by value and add it to the end of the list.
 // It should return pointer to the added List object.
-List* Add(List* beg, int value)
+List* Add(List* l, int value)
 {
       List* new_item = new List;
       new_item->value = value;
       new_item->next = NULL;
       
-      if (beg) {
+      if (l) {
             List* temp = beg;
             while (temp->next)
                   temp = temp->next;

From af5cc760e43a3f17c0cf59830030f30ff8e59c4b Mon Sep 17 00:00:00 2001
From: zagrichanskiy <zagrichanskiy@gmail.com>
Date: Sat, 8 Feb 2014 15:10:01 +0200
Subject: [PATCH 3/5] destructor was added

---
 3.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/3.cpp b/3.cpp
index 295910a..2d6b19e 100644
--- a/3.cpp
+++ b/3.cpp
@@ -10,6 +10,7 @@ struct List
 {
       int value;
       List* next;
+      ~List(void);
 };
 
 // Add should create new List object, initialize it by value and add it to the end of the list.
@@ -30,6 +31,12 @@ List* Add(List* l, int value)
       return new_item;
 }
 
+List::~List(void) {
+      if (this->next)
+            delete this->next;
+      
+}
+
 int main(int argc, char* argv[])
 {
       List* begin = NULL;
@@ -39,5 +46,9 @@ int main(int argc, char* argv[])
       Add(begin, 4);
       Add(begin, 5);
       
+      // [...]
+      
+      delete begin;
+      
       return 0;
 }

From 08eb45ffb2a05a45d0fdae35626f025ef84f08f4 Mon Sep 17 00:00:00 2001
From: zagrichanskiy <zagrichanskiy@gmail.com>
Date: Sat, 8 Feb 2014 17:47:12 +0200
Subject: [PATCH 4/5] global function Free() instead of destructor

---
 3.cpp | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/3.cpp b/3.cpp
index 2d6b19e..9b3baa7 100644
--- a/3.cpp
+++ b/3.cpp
@@ -10,7 +10,6 @@ struct List
 {
       int value;
       List* next;
-      ~List(void);
 };
 
 // Add should create new List object, initialize it by value and add it to the end of the list.
@@ -22,7 +21,7 @@ List* Add(List* l, int value)
       new_item->next = NULL;
       
       if (l) {
-            List* temp = beg;
+            List* temp = l;
             while (temp->next)
                   temp = temp->next;
             temp->next = new_item;
@@ -31,16 +30,15 @@ List* Add(List* l, int value)
       return new_item;
 }
 
-List::~List(void) {
-      if (this->next)
-            delete this->next;
-      
+void Free(List* l) {
+      if (l->next)
+            Free(l->next);
+      delete l;
 }
 
 int main(int argc, char* argv[])
 {
-      List* begin = NULL;
-      begin = Add(begin, 1);
+      List* begin = Add(NULL, 1);
       Add(begin, 2);
       Add(begin, 3);
       Add(begin, 4);
@@ -48,7 +46,7 @@ int main(int argc, char* argv[])
       
       // [...]
       
-      delete begin;
+      Free(begin);
       
       return 0;
 }

From 9954616ca5024f011ffed0701bbd2e9608a1926b Mon Sep 17 00:00:00 2001
From: zagrichanskiy <zagrichanskiy@gmail.com>
Date: Sat, 8 Feb 2014 18:26:48 +0200
Subject: [PATCH 5/5] useless variable removed

---
 3.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/3.cpp b/3.cpp
index 9b3baa7..e7ef56d 100644
--- a/3.cpp
+++ b/3.cpp
@@ -21,10 +21,9 @@ List* Add(List* l, int value)
       new_item->next = NULL;
       
       if (l) {
-            List* temp = l;
-            while (temp->next)
-                  temp = temp->next;
-            temp->next = new_item;
+            while (l->next)
+                  l = l->next;
+            l->next = new_item;
       }
       
       return new_item;